/* ============================================================
   THEME VARIABLES
   ============================================================ */
:root {
  --bg:          #0f0f14;
  --surface:     #16161f;
  --surface-2:   #1e1e2e;
  --border:      rgba(255,255,255,0.06);
  --text:        #e8e8f0;
  --muted:       #a0a0c0; /* BUG-040: High contrast mute color */
  --sub:         #8080a0; /* BUG-040: High contrast sub label color */
  --focus:       #c084fc;
  --focus-glow:  rgba(192,132,252,0.25);
  --focus-ring:  rgba(192,132,252,0.8);
  --brk:         #34d399;
  --brk-glow:    rgba(52,211,153,0.2);
  --brk-ring:    rgba(52,211,153,0.8);
  --active:      var(--focus);
  --active-glow: var(--focus-glow);
  --active-ring: var(--focus-ring);
  --primary-icon:#ffffff;
  --sans:  'Inter', system-ui, sans-serif;
  --mono:  'JetBrains Mono', 'Courier New', monospace;
  --r:   16px;  --rs: 10px;  --rx: 8px;
  --ease:        cubic-bezier(0.34,1.56,0.64,1);
  --ease-smooth: cubic-bezier(0.4,0,0.2,1);
}
[data-theme="forge"] {
  --bg: #0e0800; --surface: #1a1005; --surface-2: #231708;
  --border: rgba(255,255,255,0.06); --text: #e8e8f0;
  --muted: #a7a7bb; /* Increased contrast */
  --sub: #82829c; /* Increased contrast */
  --focus: #fb923c; --focus-glow: rgba(251,146,60,0.28); --focus-ring: rgba(251,146,60,0.85);
  --brk: #fcd34d;  --brk-glow: rgba(252,211,77,0.22);   --brk-ring: rgba(252,211,77,0.85);
}
[data-theme="ocean"] {
  --bg: #010d15; --surface: #051624; --surface-2: #0a2133;
  --border: rgba(255,255,255,0.06); --text: #e8e8f0;
  --muted: #a7a7bb; /* Increased contrast */
  --sub: #82829c; /* Increased contrast */
  --focus: #38bdf8; --focus-glow: rgba(56,189,248,0.25); --focus-ring: rgba(56,189,248,0.85);
  --brk: #2dd4bf;   --brk-glow: rgba(45,212,191,0.22);  --brk-ring: rgba(45,212,191,0.85);
}
[data-theme="light"] {
  --bg:          #ffffff;
  --surface:     #f8fafc;
  --surface-2:   #f1f5f9;
  --border:      rgba(0,0,0,0.08);
  --text:        #0f172a;
  --muted:       #1e293b; /* BUG-040: Dark slate for high contrast */
  --sub:         #334155; /* BUG-040: Dark slate for high contrast */
  --focus:       #0f172a;
  --focus-glow:  rgba(15,23,42,0.12);
  --focus-ring:  rgba(15,23,42,0.85);
  --brk:         #475569;
  --brk-glow:    rgba(71,85,105,0.1);
  --brk-ring:    rgba(71,85,105,0.8);
}
[data-theme="dark"] {
  --bg:          #000000;
  --surface:     #0c0c0e;
  --surface-2:   #16161a;
  --border:      rgba(255,255,255,0.06);
  --text:        #ffffff;
  --muted:       #a1a1aa;
  --sub:         #71717a;
  --focus:       #ffffff;
  --focus-glow:  rgba(255,255,255,0.2);
  --focus-ring:  rgba(255,255,255,0.9);
  --brk:         #e4e4e7;
  --brk-glow:    rgba(228,228,231,0.15);
  --brk-ring:    rgba(228,228,231,0.8);
  --primary-icon:#000000;
}
body.mode-break { --active: var(--brk); --active-glow: var(--brk-glow); --active-ring: var(--brk-ring); }

/* ============================================================
   RESET & BASE
   ============================================================ */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
  transition: background-color 0.8s var(--ease-smooth);
}
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh; /* BUG-025: vh fallback for older browsers */
  overflow-x: hidden;
  position: relative;
  transition: background-color 0.8s var(--ease-smooth), color 0.8s var(--ease-smooth);
}

/* ============================================================
   LAYOUT
   ============================================================ */
.app-shell {
  position: relative; z-index: 1;
  max-width: 480px; margin: 0 auto;
  padding: 0 20px 56px;
  min-height: 100dvh;
  display: flex; flex-direction: column;
}

/* ============================================================
   HEADER
   ============================================================ */
.app-header { display:flex;align-items:center;justify-content:space-between;padding:22px 0 18px; }
.logo { display:flex;align-items:center;gap:10px;font-size:1.05rem;font-weight:600;letter-spacing:-0.02em; }
.logo-dot {
  width:10px;height:10px;border-radius:50%;
  background:var(--active);box-shadow:0 0 12px var(--active-glow);
  transition:background 0.6s var(--ease-smooth),box-shadow 0.6s var(--ease-smooth);flex-shrink:0;
}
.logo-dot.pulsing { animation:dot-pulse 1.6s ease-in-out infinite; }
@keyframes dot-pulse {
  0%,100%{transform:scale(1);box-shadow:0 0 12px var(--active-glow)}
  50%{transform:scale(1.4);box-shadow:0 0 24px var(--active)}
}
.streak-badge {
  display:flex;align-items:center;gap:4px;
  padding:3px 9px 3px 7px;
  background:rgba(251,146,60,0.12);
  border:1px solid rgba(251,146,60,0.28);
  border-radius:100px;
  font-size:0.7rem;font-weight:700;color:#fb923c;
  animation:fade-up 0.4s var(--ease);
}
.streak-label { font-weight:500;color:rgba(251,146,60,0.7); }
@keyframes fade-up { from{opacity:0;transform:translateY(6px)} to{opacity:1;transform:translateY(0)} }

.header-right { display:flex;align-items:center;gap:10px;position:relative; }
.theme-switcher { display:flex;gap:5px;padding:5px;background:var(--surface);border:1px solid var(--border);border-radius:100px; }
.theme-dot { width:14px;height:14px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform 0.2s var(--ease),border-color 0.2s; }
.theme-dot:hover { transform:scale(1.2); }
.theme-dot.active { border-color:rgba(255,255,255,0.55);transform:scale(1.1); }
.theme-void  { background:#c084fc; }
.theme-forge { background:#fb923c; }
.theme-ocean { background:#38bdf8; }
.theme-light { background:#ffffff; border: 1.5px solid rgba(0,0,0,0.15) !important; }
.theme-dark  { background:#16161f; border: 1.5px solid rgba(255,255,255,0.2) !important; }
.settings-btn {
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border:1px solid var(--border);
  border-radius:var(--rx);background:var(--surface);color:var(--muted);
  cursor:pointer;transition:color 0.2s,border-color 0.2s,background 0.2s;
}
.settings-btn:hover,.settings-btn[aria-expanded="true"] { color:var(--text);border-color:var(--active);background:var(--surface-2); }
.settings-btn:focus-visible { outline:2px solid var(--active);outline-offset:2px; }

/* ============================================================
   SETTINGS PANEL
   ============================================================ */
.settings-panel {
  background: rgba(22, 22, 31, 0.65);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r);
  padding: 22px;
  margin-bottom: 14px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform, opacity;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), display 0.3s var(--ease) allow-discrete;
  opacity: 1;
}
[data-theme="light"] .settings-panel {
  background: rgba(248, 250, 252, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}
.settings-panel[hidden] {
  display: none !important;
  opacity: 0;
  transform: translate3d(0, -16px, 0);
}
@starting-style {
  .settings-panel:not([hidden]) {
    opacity: 0;
    transform: translate3d(0, -16px, 0);
  }
}
.settings-inner { display:flex;flex-direction:column;gap:14px; }
.settings-section-title { font-size:0.72rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted);margin-bottom:-4px; }
.settings-divider { height:1px;background:var(--border);margin:2px 0; }

/* Presets */
.presets { display:flex;gap:8px;flex-wrap:wrap; }
.preset-chip, .sound-preset-chip {
  display:flex;align-items:center;gap:5px;padding:6px 12px;
  border:1px solid var(--border);border-radius:100px;
  background:var(--surface-2);color:var(--muted);
  font-family:var(--mono);font-size:0.77rem;font-weight:600;
  cursor:pointer;transition:border-color 0.2s,color 0.2s,background 0.2s;
}
.preset-chip:hover, .sound-preset-chip:hover { border-color:var(--active);color:var(--text); }
.preset-chip.active, .sound-preset-chip.active { border-color:var(--active);color:var(--active);background:color-mix(in srgb,var(--active) 10%,transparent); }
.preset-tag { font-family:var(--sans);font-size:0.62rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--sub);transition:color 0.2s; }
.preset-chip:hover .preset-tag,.preset-chip.active .preset-tag { color:var(--active); }

/* BUG-L10 FIX: Move inline styles of sound presets to classes */
.sound-presets-section {
  margin-top: 10px;
  margin-bottom: 12px;
}
.sound-preset-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 6px;
}
.sound-presets {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.sound-preset-chip {
  padding: 4px 10px;
  font-size: 0.7rem;
}

/* Steppers */
.settings-grid { display:grid;grid-template-columns:1fr 1fr;gap:12px; }
.setting-group { display:flex;flex-direction:column;gap:7px; }
.setting-label { font-size:0.77rem;color:var(--muted);font-weight:500; }
.stepper {
  display:flex;align-items:center;
  background:var(--surface-2);border:1px solid var(--border);
  border-radius:var(--rx);overflow:hidden;transition:border-color 0.2s;
}
.stepper:focus-within { border-color:var(--active); }
.stepper-btn {
  flex-shrink:0;width:34px;height:40px;
  border:none;background:transparent;color:var(--muted);
  font-size:1.25rem;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background 0.15s,color 0.15s;user-select:none;
}
.stepper-btn:hover { background:color-mix(in srgb,var(--active) 12%,transparent);color:var(--active); }
.stepper-btn:active { background:color-mix(in srgb,var(--active) 22%,transparent); }
.stepper-value { flex:1;display:flex;align-items:baseline;justify-content:center;gap:3px;font-family:var(--mono);font-size:0.95rem;font-weight:600;color:var(--text); }
.stepper-unit { font-family:var(--sans);font-size:0.68rem;color:var(--muted);font-weight:400; }
.stepper-input {
  width: 34px;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  padding: 0;
  margin: 0;
  outline: none;
  -webkit-appearance: textfield;
  -moz-appearance: textfield;
  appearance: textfield;
}
.stepper-input::-webkit-outer-spin-button,
.stepper-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Sound Cards */
.sound-cards { display:grid;grid-template-columns:1fr 1fr;gap:10px; }
.sound-card {
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:14px 10px 12px;
  background:var(--surface-2);border:1px solid var(--border);
  border-radius:var(--r);cursor:pointer;
  transition:border-color 0.25s,background 0.25s,box-shadow 0.25s;position:relative;
}
.sound-card:hover { border-color:color-mix(in srgb,var(--active) 50%,var(--border)); }
.sound-card[aria-pressed="true"] {
  border-color:var(--active);
  background:color-mix(in srgb,var(--active) 8%,var(--surface-2));
  box-shadow:0 0 20px color-mix(in srgb,var(--active) 15%,transparent);
}
.sound-card:focus-visible { outline:2px solid var(--active);outline-offset:2px; }
.sound-card-icon { font-size:1.4rem; }
.sound-card-label { font-size:0.7rem;color:var(--muted);font-weight:500;text-align:center; }
.sound-card[aria-pressed="true"] .sound-card-label { color:var(--active); }
.sound-card-dot { width:6px;height:6px;border-radius:50%;background:var(--active);opacity:0;transition:opacity 0.3s; }
.sound-card[aria-pressed="true"] .sound-card-dot { opacity:0.5; }
.sound-card.sound-playing .sound-card-dot { opacity:1;animation:dot-pulse 1.4s ease-in-out infinite; }

/* Volume */
.volume-row { display:flex;align-items:center;gap:10px;color:var(--sub); }
.volume-slider { flex:1;min-width:0;width:100%;-webkit-appearance:none;appearance:none;height:4px;border-radius:2px;background:var(--border);outline:none;cursor:pointer; }
.volume-slider::-webkit-slider-thumb { -webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--active);cursor:pointer;transition:transform 0.1s; }
.volume-slider::-webkit-slider-thumb:hover { transform:scale(1.25); }
.volume-slider::-moz-range-thumb { width:14px;height:14px;border-radius:50%;background:var(--active);border:none;cursor:pointer; }

/* Notification button */
.notif-btn {
  display:flex;align-items:center;gap:8px;padding:10px 14px;
  background:var(--surface-2);border:1px solid var(--border);
  border-radius:var(--rx);color:var(--muted);
  font-family:var(--sans);font-size:0.82rem;font-weight:500;
  cursor:pointer;transition:all 0.2s;text-align:left;width:100%;
}
.notif-btn:hover { border-color:var(--active);color:var(--active); }
.notif-btn.granted { color:#34d399;border-color:rgba(52,211,153,0.4);background:rgba(52,211,153,0.06);cursor:default; }
.notif-btn.denied  { color:var(--sub);cursor:not-allowed; }

/* Apply */
.apply-btn {
  width:100%;background:var(--active);color:var(--primary-icon, #fff);border:none;
  border-radius:var(--rx);padding:11px;
  font-family:var(--sans);font-size:0.9rem;font-weight:600;
  cursor:pointer;transition:opacity 0.2s,transform 0.1s;
}
.apply-btn:hover { opacity:0.88; }
.apply-btn:active { transform:scale(0.98); }
.apply-btn:focus-visible { outline:2px solid var(--active);outline-offset:2px; }

/* ============================================================
   TIMER MAIN
   ============================================================ */
.timer-main { flex:1;display:flex;flex-direction:column;align-items:center;padding:16px 0 12px;gap:22px; }
.mode-label {
  font-size:0.72rem;font-weight:700;letter-spacing:0.13em;text-transform:uppercase;
  color:var(--active);background:color-mix(in srgb,var(--active) 10%,transparent);
  border:1px solid color-mix(in srgb,var(--active) 22%,transparent);
  padding:5px 16px;border-radius:100px;
  transition:color 0.6s,background 0.6s,border-color 0.6s;
}
.timer-ring-wrap { position:relative;width:280px;height:280px;flex-shrink:0; }
.timer-ring { 
  width:100%;
  height:100%;
  display:block; 
  transform-origin: center;
  transition: transform 0.8s var(--ease-smooth);
}
.ring-track  { fill:none;stroke:var(--border);stroke-width:10; }
.ring-progress {
  fill:none;stroke:var(--active-ring);stroke-width:10;stroke-linecap:round;
  filter:drop-shadow(0 0 8px var(--active-glow));
  transition:stroke 0.6s var(--ease-smooth),filter 0.6s var(--ease-smooth),stroke-dashoffset 0.95s var(--ease-smooth);
}
.timer-display { position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px; }
.timer-time {
  font-family:var(--mono);font-size:clamp(3rem,10vw,4.2rem);
  font-weight:600;letter-spacing:-0.04em;line-height:1;font-variant-numeric:tabular-nums;
}
.timer-sub  { font-size:0.7rem;font-weight:500;color:var(--sub);letter-spacing:0.05em; }
.timer-time.paused { animation:blink 1.4s ease-in-out infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* Interruption */
.interruption-row { display:flex;justify-content:center;margin-top:-6px; }
.interrupt-btn {
  display:flex;align-items:center;gap:7px;padding:7px 16px;
  background:rgba(239,68,68,0.07);border:1px solid rgba(239,68,68,0.2);
  border-radius:100px;color:rgba(252,165,165,0.85);
  font-family:var(--sans);font-size:0.74rem;font-weight:500;
  cursor:pointer;position:relative;transition:background 0.2s,border-color 0.2s;
}
.interrupt-btn:hover { background:rgba(239,68,68,0.14);border-color:rgba(239,68,68,0.35); }
.interrupt-count {
  position:absolute;top:-6px;right:-6px;
  min-width:18px;height:18px;padding:0 4px;border-radius:100px;
  background:#ef4444;color:#fff;font-size:0.62rem;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  animation:badge-pop 0.25s var(--ease);
}
@keyframes badge-pop { from{transform:scale(0.5);opacity:0} to{transform:scale(1);opacity:1} }

/* Controls */
.controls { display:flex;align-items:center;gap:20px; }
.ctrl-btn { display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;transition:transform 0.18s var(--ease),box-shadow 0.3s; }
.ctrl-btn:focus-visible { outline:2px solid var(--active);outline-offset:3px; }
.ctrl-btn:active { transform:scale(0.9) !important; }
.ctrl-primary {
  width:72px;height:72px;border-radius:50%;
  background:var(--active);color:var(--primary-icon, #fff);
  box-shadow:0 0 32px var(--active-glow),0 4px 20px rgba(0,0,0,0.4);
  transition:background 0.6s,box-shadow 0.6s,transform 0.18s var(--ease);
}
.ctrl-primary .icon-play {
  transform: translateX(1.5px);
}
.ctrl-primary:hover { transform:scale(1.07);box-shadow:0 0 50px var(--active-glow),0 6px 24px rgba(0,0,0,0.5); }
.ctrl-reset,.ctrl-skip { width:48px;height:48px;border-radius:50%;background:var(--surface);color:var(--muted);border:1px solid var(--border); }
.ctrl-reset:hover,.ctrl-skip:hover { color:var(--text);background:var(--surface-2);transform:scale(1.06); }

/* Velocity */
.velocity-score { font-size:0.72rem;color:var(--sub);text-align:center;min-height:18px;letter-spacing:0.01em;transition:color 0.4s; }
.velocity-score.fire { color:var(--active);font-weight:500; }

/* KBD hints */
.kbd-hint { font-size:0.68rem;color:var(--sub);display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:center;margin-top:-6px; }
kbd { display:inline-block;padding:2px 6px;border:1px solid var(--border);border-radius:4px;background:var(--surface);font-family:var(--mono);font-size:0.65rem;color:var(--muted);line-height:1.5; }

/* ============================================================
   SESSION FLASH
   ============================================================ */
.session-flash {
  position:fixed;top:50%;left:50%;
  transform:translate(-50%,-50%) scale(0.82);
  background:var(--surface);
  border:1px solid color-mix(in srgb,var(--active) 28%,transparent);
  border-radius:20px;padding:30px 44px;
  text-align:center;z-index:100;
  box-shadow:0 0 70px var(--active-glow),0 20px 60px rgba(0,0,0,0.6);
  opacity:0;transition:opacity 0.3s,transform 0.3s var(--ease);
  pointer-events:none;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.session-flash.visible { opacity:1;transform:translate(-50%,-50%) scale(1);pointer-events:auto; }
.flash-icon-wrap { color:var(--active); }
.flash-check-circle { stroke-dasharray:101;stroke-dashoffset:101; }
.session-flash.visible .flash-check-circle { animation:draw-circle 0.5s 0.05s var(--ease-smooth) forwards; }
@keyframes draw-circle { to{stroke-dashoffset:0} }
.flash-check-mark { stroke-dasharray:30;stroke-dashoffset:30; }
.session-flash.visible .flash-check-mark { animation:draw-mark 0.3s 0.5s ease forwards; }
@keyframes draw-mark { to{stroke-dashoffset:0} }
.flash-text { font-size:1.05rem;font-weight:600; }

/* ============================================================
   HISTORY
   ============================================================ */
.history-section { margin-top:8px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);overflow:hidden; }
.history-header { display:flex;align-items:center;justify-content:space-between;padding:15px 20px 13px;border-bottom:1px solid var(--border); }
.history-header-left { display:flex;flex-direction:column;gap:3px; }
.history-title { font-size:0.78rem;font-weight:700;letter-spacing:0.09em;text-transform:uppercase;color:var(--muted); }
.history-count { font-size:0.7rem;font-weight:600;color:var(--active);background:color-mix(in srgb,var(--active) 10%,transparent);padding:2px 9px;border-radius:100px;display:inline-block;transition:color 0.6s,background 0.6s;align-self:flex-start; }
.export-btn { display:flex;align-items:center;gap:5px;padding:6px 11px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--rx);color:var(--muted);font-size:0.73rem;font-weight:500;cursor:pointer;transition:all 0.2s;flex-shrink:0; }
.export-btn:hover { border-color:var(--active);color:var(--active); }
.history-list { list-style:none;padding:6px 0;max-height:260px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border) transparent; }
.history-empty { display:flex;flex-direction:column;align-items:center;gap:10px;padding:28px 20px;text-align:center;color:var(--sub);font-size:0.83rem; }
.history-item { display:flex;align-items:center;gap:12px;padding:10px 20px;transition:background 0.15s;animation:slide-in 0.3s var(--ease); }
@keyframes slide-in { from{opacity:0;transform:translateX(-10px)} to{opacity:1;transform:translateX(0)} }
.history-item:hover { background:var(--surface-2); }
.history-item+.history-item { border-top:1px solid var(--border); }
.item-outcome-dot { width:8px;height:8px;border-radius:50%;flex-shrink:0;transition:box-shadow 0.3s; }
.outcome-yes     { background:#34d399;box-shadow:0 0 7px rgba(52,211,153,0.6); }
.outcome-partial { background:#fbbf24;box-shadow:0 0 7px rgba(251,191,36,0.5); }
.outcome-no      { background:#f87171;box-shadow:0 0 7px rgba(248,113,113,0.5); }
.outcome-none    { background:var(--surface-2);border:1px solid var(--border); }
.item-info { flex:1;display:flex;flex-direction:column;gap:2px;min-width:0; }
.item-row  { display:flex;align-items:baseline;gap:7px; }
.item-duration { font-family:var(--mono);font-size:0.9rem;font-weight:600; }
.item-label    { font-size:0.72rem;color:var(--muted);font-weight:500; }
.item-quality  { font-size:0.65rem;color:#34d399;font-weight:500; }
.item-quality.medium { color:#fbbf24; }
.item-quality.low    { color:#f87171; }
.item-goal { font-size:0.68rem;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-style:italic; }
.item-meta { display:flex;align-items:center;gap:7px;margin-left:auto;flex-shrink:0; }
.item-interrupts { display:flex;align-items:center;gap:3px;font-size:0.64rem;color:rgba(252,165,165,0.75);background:rgba(239,68,68,0.07);border-radius:100px;padding:2px 7px; }
.item-drifts { display:flex;align-items:center;gap:3px;font-size:0.64rem;color:rgba(251,191,36,0.75);background:rgba(251,191,36,0.07);border-radius:100px;padding:2px 7px; }
.item-velocity { display:inline-block;font-family:var(--mono);font-size:0.64rem;color:var(--active);background:color-mix(in srgb,var(--active) 8%,transparent);border-radius:100px;padding:2px 7px;font-weight:600; }
.item-time { font-size:0.7rem;color:var(--sub);white-space:nowrap; }

/* ============================================================
   HEATMAP
   ============================================================ */
.heatmap-section { margin-top:12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px 20px 20px; }
.heatmap-header { display:flex;align-items:center;justify-content:space-between;margin-bottom:14px; }
.heatmap-title { font-size:0.78rem;font-weight:700;letter-spacing:0.09em;text-transform:uppercase;color:var(--muted); }
.heatmap-legend { display:flex;align-items:center;gap:5px;font-size:0.65rem;color:var(--sub); }
.legend-dot { width:10px;height:10px;border-radius:3px; }
.legend-empty { background:var(--surface-2);border:1px solid var(--border); }
.legend-full  { background:var(--active); }
.legend-text  { font-size:0.63rem;color:var(--sub); }
.heatmap-grid { display:grid;grid-template-columns:repeat(7,1fr);gap:8px; }
.heatmap-cell {
  aspect-ratio:1;border-radius:8px;border:1px solid var(--border);
  background:var(--surface-2);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:3px;
  transition:transform 0.18s var(--ease),box-shadow 0.18s;cursor:default;
}
.heatmap-cell:hover { transform:scale(1.1); position: relative; z-index: 10; }
.heatmap-cell.heatmap-today { outline:1.5px solid var(--active);outline-offset:1px; }
.heatmap-cell-day   { font-size:0.57rem;color:var(--sub);font-weight:600;letter-spacing:0.04em;text-transform:uppercase; }
.heatmap-cell-count { font-family:var(--mono);font-size:0.72rem;font-weight:600;color:var(--muted); }
.heatmap-cell[data-level="0"] { background:var(--surface-2); }
.heatmap-cell[data-level="1"] { background:color-mix(in srgb,var(--active) 18%,var(--surface-2));border-color:color-mix(in srgb,var(--active) 25%,transparent); }
.heatmap-cell[data-level="2"] { background:color-mix(in srgb,var(--active) 38%,var(--surface-2));border-color:color-mix(in srgb,var(--active) 45%,transparent); }
.heatmap-cell[data-level="3"] { background:color-mix(in srgb,var(--active) 60%,var(--surface-2));border-color:color-mix(in srgb,var(--active) 65%,transparent); }
.heatmap-cell[data-level="4"] { background:var(--active);border-color:var(--active);box-shadow:0 0 14px var(--active-glow); }
.heatmap-cell[data-level="3"] .heatmap-cell-count,
.heatmap-cell[data-level="4"] .heatmap-cell-count { color:rgba(255,255,255,0.9); }
.heatmap-cell[data-level="4"] .heatmap-cell-day { color:rgba(255,255,255,0.7); }
/* BUG-026: Light theme heatmap text — ensure readability when active color is dark */
[data-theme="light"] .heatmap-cell[data-level="3"] .heatmap-cell-count,
[data-theme="light"] .heatmap-cell[data-level="4"] .heatmap-cell-count { color:rgba(255,255,255,0.95); }
[data-theme="light"] .heatmap-cell[data-level="3"] .heatmap-cell-day,
[data-theme="light"] .heatmap-cell[data-level="4"] .heatmap-cell-day { color:rgba(255,255,255,0.85); }
/* Dark theme heatmap text — ensure readability when active color is white/light */
[data-theme="dark"] .heatmap-cell[data-level="3"] .heatmap-cell-count,
[data-theme="dark"] .heatmap-cell[data-level="4"] .heatmap-cell-count { color:#000000; }
[data-theme="dark"] .heatmap-cell[data-level="3"] .heatmap-cell-day,
[data-theme="dark"] .heatmap-cell[data-level="4"] .heatmap-cell-day { color:rgba(0,0,0,0.75); }


/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
  position:fixed;inset:0;background:rgba(0,0,0,0.65);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  z-index:200;display:flex;align-items:center;justify-content:center;
  padding:20px;animation:overlay-in 0.25s ease;
}
[data-theme="light"] .modal-overlay {
  --text: #ffffff;
  --muted: #a1a1aa;
  --sub: #71717a;
  --border: rgba(255, 255, 255, 0.08);
  --surface: #0c0c0e;
  --surface-2: #16161a;
  --focus: #ffffff;
  --focus-glow: rgba(255, 255, 255, 0.2);
  --focus-ring: rgba(255, 255, 255, 0.9);
  --active: #ffffff;
  --active-glow: rgba(255, 255, 255, 0.2);
  --active-ring: rgba(255, 255, 255, 0.9);
  --primary-icon: #000000;
}
@keyframes overlay-in { from{opacity:0} to{opacity:1} }
.modal-card {
  background:rgba(22, 22, 31, 0.7);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid color-mix(in srgb,var(--active) 25%,rgba(255,255,255,0.08));
  border-radius:20px;padding:32px 26px;max-width:350px;width:100%;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  box-shadow:0 0 80px var(--active-glow),0 24px 64px rgba(0,0,0,0.4);
  animation:modal-in 0.35s var(--ease);
}
@keyframes modal-in { from{opacity:0;transform:scale(0.9) translateY(20px)} to{opacity:1;transform:scale(1) translateY(0)} }
.modal-emblem {
  width:52px;height:52px;border-radius:50%;
  background:color-mix(in srgb,var(--active) 15%,transparent);
  border:1.5px solid color-mix(in srgb,var(--active) 30%,transparent);
  display:flex;align-items:center;justify-content:center;color:var(--active);
}
.modal-emblem-success { background:rgba(52,211,153,0.12);border-color:rgba(52,211,153,0.35);color:#34d399; }
.modal-title { font-size:1.1rem;font-weight:700;text-align:center;letter-spacing:-0.02em; }
.modal-sub   { font-size:0.82rem;color:var(--muted);text-align:center;margin-top:-4px; }
.modal-input {
  width:100%;background:rgba(30, 30, 46, 0.4);border:1px solid var(--border);
  border-radius:var(--rx);color:var(--text);font-family:var(--sans);font-size:0.9rem;
  padding:11px 14px;outline:none;transition:border-color 0.2s;margin-top:2px;
}
.modal-input:focus { border-color:var(--active); }
.modal-input::placeholder { color:var(--sub); }
.modal-primary-btn { width:100%;background:var(--active);color:var(--primary-icon, #fff);border:none;border-radius:var(--rx);padding:12px;font-family:var(--sans);font-size:0.9rem;font-weight:600;cursor:pointer;transition:opacity 0.2s,transform 0.1s;margin-top:2px; }
.modal-primary-btn:hover { opacity:0.92; }
.modal-primary-btn:active { transform:scale(0.97); }
.modal-ghost-btn { background:none;border:none;color:var(--sub);font-size:0.77rem;cursor:pointer;padding:4px;transition:color 0.2s; }
.modal-ghost-btn:hover { color:var(--muted); }
.reflection-goal-text { font-size:0.8rem;color:var(--muted);text-align:center;font-style:italic;padding:8px 14px;background:rgba(30,30,46,0.3);border:1px solid var(--border);border-radius:var(--rx);width:100%;word-break:break-word; }
.reflection-btns { display:flex;gap:8px;width:100%;margin-top:2px; }
.reflect-btn { flex:1;padding:10px 6px;border-radius:var(--rx);border:1px solid var(--border);background:rgba(30,30,46,0.4);color:var(--muted);font-size:0.8rem;font-weight:600;cursor:pointer;transition:all 0.2s;font-family:var(--sans); }
.reflect-yes:hover     { border-color:#34d399;color:#34d399;background:rgba(52,211,153,0.12); }
.reflect-partial:hover { border-color:#fbbf24;color:#fbbf24;background:rgba(251,191,36,0.12); }
.reflect-no:hover      { border-color:#f87171;color:#f87171;background:rgba(248,113,113,0.12); }

/* ============================================================
   BADGE TOAST
   ============================================================ */
.badge-toast {
  position:fixed;bottom:24px;right:24px;
  display:flex;align-items:center;gap:12px;
  background:var(--surface);
  border:1px solid color-mix(in srgb,var(--active) 28%,var(--border));
  border-radius:var(--r);padding:14px 16px;
  box-shadow:0 0 40px var(--active-glow),0 12px 32px rgba(0,0,0,0.5);
  z-index:300;max-width:272px;animation:toast-in 0.4s var(--ease);
}
@keyframes toast-in { from{opacity:0;transform:translateY(20px) scale(0.9)} to{opacity:1;transform:translateY(0) scale(1)} }
.badge-toast-icon { font-size:1.6rem;line-height:1; }
.badge-toast-body { flex:1; }
.badge-toast-label { font-size:0.62rem;font-weight:700;text-transform:uppercase;letter-spacing:0.09em;color:var(--active); }
.badge-toast-name  { font-size:0.87rem;font-weight:600;color:var(--text);margin-top:1px; }
.badge-toast-close { background:none;border:none;color:var(--muted);font-size:1.2rem;cursor:pointer;padding:2px 4px;line-height:1;transition:color 0.2s; }
.badge-toast-close:hover { color:var(--text); }

/* ============================================================
   RESPONSIVE & REDUCED MOTION
   ============================================================ */
@media (max-width:480px) {
  .app-shell { padding:0 24px 40px; }
  .header-right { gap: 5px; }
  .theme-switcher { padding: 3px; gap: 4px; }
  .theme-dot { width: 12px; height: 12px; }
  .zen-btn, .shield-btn, .palette-btn, .settings-btn, .sound-toggle-btn { width: 32px; height: 32px; }
  .zen-btn svg, .shield-btn svg, .palette-btn svg, .settings-btn svg, .sound-toggle-btn svg { width: 16px; height: 16px; }
  .timer-ring-wrap { width:240px;height:240px; }
  .timer-time { font-size:2.9rem; }
  .ctrl-primary { width:64px;height:64px; }
  .ctrl-reset,.ctrl-skip { width:44px;height:44px; }
  .modal-card { padding:24px 18px; }
  .badge-toast { bottom:16px;right:16px;max-width:calc(100vw - 32px); }
  .sound-popover { position: fixed; top: 64px; left: 14px; right: 14px; width: auto; max-width: none; transform-origin: top right; }
  .settings-panel { padding: 16px; }
  .settings-inner { gap: 20px; }
  /* Simplify background blobs on mobile to prevent GPU composition glitches */
  .bg-blob {
    filter: blur(40px) !important;
    animation: none !important;
  }
  .blob-1 {
    width: 250px;
    height: 250px;
    top: -100px;
    right: -100px;
  }
  .blob-2 {
    width: 200px;
    height: 200px;
    bottom: 50px;
    left: -80px;
  }
  .blob-3 {
    width: 150px;
    height: 150px;
  }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { animation-duration:0.01ms !important;transition-duration:0.3s !important; }
}

/* ============================================================
   UPGRADE FEATURES (BREATHING, MIXER, SHIELD, ANALYTICS)
   ============================================================ */
.desktop-only-widget {
  display: none !important;
}

/* 1. Box Breathing */
.toggle-row {
  display: flex;
  align-items: center;
  margin-top: 8px;
}
.toggle-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--muted);
  user-select: none;
}
.custom-toggle {
  appearance: none;
  -webkit-appearance: none;
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
  width: 34px;
  height: 18px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s;
}
.custom-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform 0.3s, background 0.3s;
}
.custom-toggle:checked {
  background: color-mix(in srgb, var(--active) 20%, transparent);
  border-color: var(--active);
}
.custom-toggle:checked::after {
  transform: translateX(16px);
  background: var(--active);
}
.breath-mode-active .timer-ring-wrap {
  animation: breath-ring-pulse var(--breath-duration, 4s) ease-in-out infinite alternate;
}
@keyframes breath-ring-pulse {
  0% { transform: scale(0.92); filter: drop-shadow(0 0 10px var(--active-glow)); }
  100% { transform: scale(1.08); filter: drop-shadow(0 0 30px var(--active)); }
}

/* 2. Soundscape Mixer */
.sound-mixer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 8px;
}
.mixer-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--rx);
  padding: 8px 12px;
  transition: border-color 0.25s;
}
.mixer-row:focus-within {
  border-color: var(--active);
}
.mixer-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s;
  flex-shrink: 0;
  width: 100px;
  text-align: left;
}
.mixer-card:hover {
  color: var(--text);
  background: rgba(255,255,255,0.03);
}
[data-theme="light"] .mixer-card:hover {
  background: rgba(0, 0, 0, 0.04);
}
.mixer-card[aria-pressed="true"] {
  color: var(--active);
  background: color-mix(in srgb, var(--active) 10%, transparent);
}
.mixer-icon {
  font-size: 1.15rem;
}
.mixer-slider {
  flex: 1;
  min-width: 0;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}
.mixer-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--muted);
  cursor: pointer;
  transition: transform 0.1s, background 0.1s;
}
.mixer-slider::-webkit-slider-thumb:hover {
  transform: scale(1.3);
}
.mixer-row:has(.mixer-card[aria-pressed="true"]) .mixer-slider::-webkit-slider-thumb {
  background: var(--active);
}
/* BUG-024: JS fallback class for browsers without :has() support */
.mixer-row.mixer-row-active .mixer-slider::-webkit-slider-thumb {
  background: var(--active);
}
.mixer-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--muted);
  border: none;
  cursor: pointer;
}
.mixer-row:has(.mixer-card[aria-pressed="true"]) .mixer-slider::-moz-range-thumb {
  background: var(--active);
}
/* BUG-024: JS fallback class for Firefox without :has() */
.mixer-row.mixer-row-active .mixer-slider::-moz-range-thumb {
  background: var(--active);
}
.volume-row .volume-label {
  font-size: 0.74rem;
  color: var(--muted);
  font-weight: 500;
  margin-right: auto;
}

/* 3. Flow Shield Cinema Mode */
#flow-shield-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.5s ease;
  background: var(--bg);
}
.shield-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--rx);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.shield-btn:hover, .shield-btn[aria-pressed="true"] {
  color: var(--text);
  border-color: var(--active);
  background: var(--surface-2);
}
.shield-btn:focus-visible {
  outline: 2px solid var(--active);
  outline-offset: 2px;
}
body.flow-shield-active {
  background: #000;
}
body.flow-shield-active #flow-shield-canvas {
  opacity: 1;
}
body.flow-shield-active .app-shell {
  max-width: 100%;
  height: 100vh;
  padding: 0;
  justify-content: center;
  align-items: center;
}
body.flow-shield-active .app-header,
body.flow-shield-active .settings-panel,
body.flow-shield-active .interruption-row,
body.flow-shield-active .velocity-score,
body.flow-shield-active .kbd-hint,
body.flow-shield-active .history-section,
body.flow-shield-active .heatmap-section,
body.flow-shield-active .analytics-section {
  opacity: 0 !important;
  pointer-events: none !important;
  transform: translateY(-20px) !important;
  transition: opacity 0.8s ease, transform 0.8s ease !important;
  position: absolute !important;
  width: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
}
body.flow-shield-active .timer-main {
  padding: 0;
  justify-content: center;
  gap: 32px;
}
body.flow-shield-active .timer-ring-wrap {
  width: min(340px, 80vw);
  height: min(340px, 80vw);
  transition: width 0.8s var(--ease-smooth), height 0.8s var(--ease-smooth);
}
body.flow-shield-active .timer-time {
  font-size: clamp(4rem, 12vw, 5.5rem);
}
body.flow-shield-active .controls {
  opacity: 0.15;
  transition: opacity 0.3s;
}
body.flow-shield-active .controls:hover {
  opacity: 1;
}

/* 4. Analytics Section */
.analytics-section {
  margin-top: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px 20px 20px;
}
.analytics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.analytics-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}
.analytics-toggle-btn {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--rx);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s;
}
.analytics-toggle-btn:hover {
  border-color: var(--active);
  color: var(--active);
}
#ai-report-btn {
  background: var(--focus);
  color: var(--bg);
  border-color: var(--focus);
  font-weight: 700;
  box-shadow: 0 2px 8px var(--focus-glow);
}
#ai-report-btn:hover {
  background: var(--focus);
  color: var(--bg);
  border-color: var(--focus);
  opacity: 0.9;
  box-shadow: 0 4px 12px var(--focus-glow);
  transform: translateY(-1px);
}
#ai-report-btn:active {
  transform: translateY(0) scale(0.96);
}
.analytics-body {
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.analytics-chart-container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 16px;
  animation: fade-in 0.4s var(--ease);
}
.chart-wrapper {
  position: relative;
  width: 130px;
  height: 130px;
  flex-shrink: 0;
}
.chart-center-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.1;
}
.chart-center-val {
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 700;
}
.chart-center-lbl {
  font-size: 0.58rem;
  color: var(--sub);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.chart-legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  max-height: 130px;
  overflow-y: auto;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--muted);
}
.legend-color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.legend-pct {
  font-family: var(--mono);
  font-weight: 600;
  margin-left: auto;
  color: var(--text);
}
.chart-legend-velocity {
  width: 100%;
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--sub);
  margin-top: 6px;
}
#velocity-trend-chart {
  overflow: visible;
}
.chart-line {
  fill: none;
  stroke: var(--active);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 2px 8px var(--active-glow));
}
.chart-area {
  fill: url(#chart-gradient);
  opacity: 0.15;
}
.chart-point {
  fill: var(--bg);
  stroke: var(--active);
  stroke-width: 2.5;
  transition: r 0.2s, stroke-width 0.2s;
  cursor: pointer;
}
.chart-point:hover {
  r: 6;
  stroke-width: 3.5;
}
.chart-grid {
  stroke: var(--border);
  stroke-width: 1;
  stroke-dasharray: 4 4;
}
@keyframes fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* History Item Tag Style */
.item-tag {
  display: inline-block;
  font-size: 0.62rem;
  background: color-mix(in srgb, var(--active) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--active) 15%, transparent);
  color: var(--active);
  padding: 1px 5px;
  border-radius: 4px;
  margin-right: 4px;
  font-weight: 500;
}

/* ============================================================
   11 NEW FEATURES STYLING RULES
   ============================================================ */

/* 1. Zen Mode Serenity Styles */
body.zen-mode-active {
  background: linear-gradient(135deg, var(--zen-bg-1, #07070b), var(--zen-bg-2, #11051b), var(--zen-bg-3, #040c17), var(--zen-bg-4, #0b0312)) !important;
  background-color: var(--bg) !important;
  background-size: 400% 400% !important;
  animation: zen-bg-morph 16s ease infinite alternate !important;
  overflow: hidden;
}
@keyframes zen-bg-morph {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
body.zen-mode-active .app-header {
  border: none !important;
}
body.zen-mode-active .logo,
body.zen-mode-active .theme-switcher,
body.zen-mode-active .shield-btn,
body.zen-mode-active .settings-btn,
body.zen-mode-active .palette-btn,
body.zen-mode-active .settings-panel,
body.zen-mode-active .interruption-row,
body.zen-mode-active .velocity-score,
body.zen-mode-active .kbd-hint,
body.zen-mode-active .history-section,
body.zen-mode-active .analytics-section,
body.zen-mode-active .heatmap-section,
body.zen-mode-active .ai-predictor-section {
  opacity: 0 !important;
  pointer-events: none !important;
  transform: translateY(-16px) !important;
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth) !important;
  position: absolute !important;
  width: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
}
body.zen-mode-active .timer-main {
  margin: auto 0;
  justify-content: center;
  gap: 28px;
}
body.zen-mode-active .bg-blob {
  opacity: 0 !important;
  pointer-events: none !important;
  display: none !important;
}
body.zen-mode-active .timer-ring-wrap {
  animation: none !important;
  filter: none !important;
  transition: transform 0.8s var(--ease-smooth);
}
body.zen-mode-active .timer-ring {
  animation: zen-ring-glow-pulse 16s ease-in-out infinite;
  transform-origin: center;
}
@keyframes zen-ring-glow-pulse {
  0%, 100% {
    filter: drop-shadow(0 0 12px var(--active-glow));
    transform: scale(1);
  }
  25%, 50% { /* Inhale / Hold full */
    filter: drop-shadow(0 0 35px var(--active));
    transform: scale(1.04);
  }
  75% { /* Exhale */
    filter: drop-shadow(0 0 12px var(--active-glow));
    transform: scale(1);
  }
}
body.zen-mode-active .timer-sub {
  opacity: 0.22;
  transition: opacity 0.3s;
}
body.zen-mode-active .timer-sub:hover {
  opacity: 0.85;
}
body.zen-mode-active .controls {
  opacity: 0.15;
  transition: opacity 0.3s;
}
body.zen-mode-active .controls:hover {
  opacity: 0.95;
}
body.zen-mode-active .ctrl-reset,
body.zen-mode-active .ctrl-skip {
  display: none !important;
}

/* Zen, Palette & View Switcher Buttons */
.zen-btn, .palette-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--rx);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s, opacity 0.3s;
}
.zen-btn:hover, .zen-btn.active,
.palette-btn:hover, .palette-btn.active {
  color: var(--text);
  border-color: var(--focus);
  background: var(--surface-2);
}
.palette-btn:focus-visible { outline:2px solid var(--active);outline-offset:2px; }
body.zen-mode-active .zen-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  opacity: 0.38;
  border-color: var(--focus);
  color: var(--focus);
  background: rgba(22,22,31,0.5);
  backdrop-filter: blur(8px);
}
body.zen-mode-active .zen-btn:hover {
  opacity: 1;
}

/* 2. Session DNA Strand View */
.dna-strand-view {
  width: 100%;
  height: 260px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: 0;
  border-radius: 0 0 var(--r) var(--r);
  overflow: hidden;
  animation: fade-in 0.4s var(--ease);
}
.dna-tooltip {
  background: rgba(22, 22, 31, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.72rem;
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  pointer-events: none;
  font-family: var(--sans);
  line-height: 1.4;
  min-width: 160px;
  transition: opacity 0.15s ease;
}

/* 3. Quote Oracle */
.quote-display {
  max-width: 180px;
  font-size: 0.73rem;
  font-weight: 400;
  line-height: 1.45;
  color: var(--muted);
  text-align: center;
  font-style: italic;
  margin-top: 8px;
  animation: fade-in-quote 0.6s ease forwards;
  max-height: 48px;
  overflow-y: auto;
  scrollbar-width: none;
}
.quote-display::-webkit-scrollbar { display: none; }
.quote-author {
  display: block;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--active);
  margin-top: 4px;
  font-style: normal;
}
@keyframes fade-in-quote {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 4. Smart Break Suggestion Card */
.break-suggestion-card {
  display: flex;
  align-items: center;
  gap: 12px;
  /* BUG-L19 FIX: Use active theme variables color-mix instead of hardcoded Ocean Blue values */
  background: color-mix(in srgb, var(--active) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--active) 18%, transparent);
  border-radius: 12px;
  padding: 10px 16px;
  max-width: 320px;
  width: 100%;
  animation: suggestion-slide-up 0.4s var(--ease);
  margin-top: -6px;
}
@keyframes suggestion-slide-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.suggestion-icon {
  font-size: 1.25rem;
}
.suggestion-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}
.suggestion-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #38bdf8;
}
.suggestion-text {
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.35;
}

/* 5. Command Palette Items */
.command-palette-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, padding-left 0.15s var(--ease), border-color 0.15s;
  color: var(--muted);
  border-left: 3px solid transparent;
}
.command-palette-item:hover {
  background: color-mix(in srgb, var(--focus) 8%, transparent);
  color: var(--text);
}
.command-palette-item.active {
  background: color-mix(in srgb, var(--focus) 15%, transparent);
  color: var(--text);
  border-left-color: var(--focus);
  padding-left: 18px;
}
.command-shortcut {
  font-size: 0.65rem;
  font-family: var(--mono);
  background: var(--surface);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--sub);
}
.command-palette-item.active .command-shortcut {
  border-color: var(--focus);
  color: var(--focus);
}

/* 6. Mood Button Highlight styles */
.mood-btn {
  background: none;
  border: 2px solid transparent;
  border-radius: 50%;
  padding: 4px;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  font-size: 1.5rem;
}
.mood-btn:hover {
  transform: scale(1.18);
  border-color: rgba(255, 255, 255, 0.2);
}
.mood-btn.selected {
  transform: scale(1.22) !important;
  border-color: var(--focus) !important;
  box-shadow: 0 0 12px color-mix(in srgb, var(--focus) 35%, transparent);
  background: rgba(255, 255, 255, 0.03);
}

/* 7. AI Performance Report Card and tabs */
.report-tab:hover {
  color: var(--text);
}
.report-tab.active {
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.report-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  width: 100%;
}
.report-stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
  text-align: center;
}
.report-stat-label {
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.report-stat-val {
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}
.report-insight-card {
  background: color-mix(in srgb, var(--focus) 5%, var(--surface-2));
  border: 1px solid color-mix(in srgb, var(--focus) 15%, var(--border));
  border-radius: 10px;
  padding: 12px;
  font-size: 0.76rem;
  line-height: 1.4;
  color: var(--text);
  font-style: italic;
}
.report-insight-card::before {
  content: '💡 AI Focus Advice:';
  display: block;
  font-style: normal;
  font-weight: 700;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--focus);
  margin-bottom: 4px;
}
.tag-pill {
  display: inline-block;
  font-size: 0.62rem;
  background: color-mix(in srgb, var(--focus) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--focus) 20%, transparent);
  color: var(--focus);
  padding: 1px 6px;
  border-radius: 4px;
  margin-right: 4px;
  font-weight: 600;
}

/* Spotlight Onboarding Overlay */
.onboarding-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.78);
  transition: background 0.4s var(--ease-smooth);
  pointer-events: auto;
}
.onboarding-tooltip {
  position: absolute;
  background: rgba(22, 22, 31, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px 16px 20px;
  max-width: 290px;
  width: 90%;
  color: var(--text);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.65);
  z-index: 2001;
  display: flex;
  flex-direction: column;
  gap: 12px;
  will-change: transform, left, top;
  opacity: 0;
  transition: opacity 0.35s var(--ease-smooth);
}
.onboarding-tooltip p {
  font-size: 0.8rem;
  line-height: 1.45;
  margin: 0;
  color: var(--text);
}
.onboarding-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
}
.onboarding-btn {
  background: var(--focus);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
}
.onboarding-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}
.onboarding-btn:active {
  transform: translateY(0);
}
.onboarding-skip-btn {
  background: none;
  border: none;
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  margin-left: -8px;
  transition: color 0.2s, opacity 0.2s;
  opacity: 0.85;
}
.onboarding-skip-btn:hover {
  opacity: 1;
  color: var(--focus);
}
.onboarding-close-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  color: #ff6b6b;
  font-size: 1.45rem;
  font-weight: 300;
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s, color 0.2s, opacity 0.2s;
  line-height: 1;
  opacity: 0.8;
}
.onboarding-close-btn:hover {
  background: rgba(255, 107, 107, 0.12);
  opacity: 1;
  color: #ff8787;
}

/* ============================================================
   RESPONSIVE DESIGN (DESKTOP/LAPTOP VIEWS)
   ============================================================ */

/* Mobile First defaults / Common styles */
.stats-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}
.stats-col-1, .stats-col-2, .stats-full-width {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}
.settings-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

/* Hide Stats Grid and Footer in Z Mode and F Mode to ensure perfect centering and alignment */
body.flow-shield-active .stats-grid,
body.flow-shield-active .app-footer,
body.zen-mode-active .stats-grid,
body.zen-mode-active .app-footer {
  display: none !important;
}

/* Footer Styling */
.app-footer {
  margin-top: auto;
  padding: 40px 0 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 0.76rem;
  color: var(--muted);
  width: 100%;
}
.footer-top {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-email {
  color: var(--active);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s, text-decoration 0.2s;
}
.footer-email:hover {
  text-decoration: underline;
  color: var(--text);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-left {
  font-weight: 500;
}
.author-name {
  color: var(--text);
  font-weight: 600;
}
.footer-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.2s var(--ease);
}
.social-btn:hover {
  color: var(--text);
  background: transparent;
}
.social-btn svg {
  flex-shrink: 0;
}

@media (min-width: 768px) {
  /* Laptop/PC/Computer Stretched View */
  body:not(.flow-shield-active) .app-shell {
    max-width: 960px;
    width: 100%;
    padding: 0 32px 40px;
    transition: max-width 0.5s var(--ease-smooth);
  }

  /* Header adjustments for stretched layout */
  .app-header {
    padding: 16px 0 10px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
  }

  /* 2-column layout for settings */
  .settings-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
    row-gap: 20px;
    padding: 10px 0;
  }
  .settings-divider {
    display: none;
  }
  .settings-panel {
    padding: 24px;
    margin-bottom: 20px;
  }

  /* 2-column layout for stats widgets at bottom */
  .stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 20px;
    row-gap: 20px;
    margin-top: 24px;
  }
  .stats-col-1, .stats-col-2 {
    gap: 20px;
    display: flex;
    flex-direction: column;
  }
  /* Upper Row Heights (Sessions Log & Focus Forecast) */
  .stats-col-1 > .history-section,
  .stats-col-2 > .ai-predictor-section {
    height: 300px !important;
    display: flex;
    flex-direction: column;
    margin-top: 0 !important;
  }
  /* Lower Row Heights (Flow Analytics & Cognitive Efficiency) */
  .stats-col-1 > .analytics-section,
  .stats-col-2 > .live-ai-report-section {
    height: 210px !important;
    display: flex;
    flex-direction: column;
    margin-top: 0 !important;
  }
  /* Force inner container elements to stretch inside parent containers */
  .stats-col-1 > section > .history-list,
  .stats-col-1 > section > .dna-strand-view,
  .stats-col-1 > section > .analytics-body,
  .stats-col-2 > section > .predictor-body,
  .stats-col-2 > section > .live-report-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
  }
  /* DNA View canvas fit */
  .dna-strand-view {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100% !important;
  }
  #dna-canvas {
    flex: 1;
    width: 100% !important;
    height: 100% !important;
  }
  /* Donut chart legend spacing adjustment for 210px container limit */
  .analytics-body {
    padding: 4px 10px;
  }
  .live-report-body {
    justify-content: center;
  }
  .stats-full-width {
    grid-column: 1 / span 2;
  }
  .desktop-only-widget {
    display: flex !important;
  }

  /* Tighter spacing in stretched view to eliminate emptiness */
  .timer-main {
    padding: 10px 0;
    gap: 12px;
  }
  .timer-ring-wrap {
    width: 260px;
    height: 260px;
  }
  .timer-time {
    font-size: 3.8rem;
  }
  .timer-sub {
    font-size: 0.7rem;
  }
  .kbd-hint {
    font-size: 0.68rem;
  }

  /* Heatmap scaling on large view */
  .heatmap-cell {
    border-radius: 8px;
  }
  .heatmap-cell-day {
    font-size: 0.62rem;
  }
  .heatmap-cell-count {
    font-size: 0.76rem;
  }

  /* Footer stretches */
  .app-footer {
    padding: 32px 0 24px;
    margin-top: 32px;
  }
}

/* Custom adjustment for screens with short height (to prevent vertical scrolling/clipping) */
@media (min-width: 768px) and (max-height: 750px) {
  body:not(.flow-shield-active) .app-shell {
    padding-bottom: 24px;
  }
  .app-header {
    padding: 12px 0 8px;
    margin-bottom: 8px;
  }
  .timer-main {
    padding: 6px 0;
    gap: 8px;
  }
  .timer-ring-wrap {
    width: 220px;
    height: 220px;
  }
  .timer-time {
    font-size: 3.2rem;
  }
  .controls {
    gap: 12px;
  }
  .ctrl-primary {
    width: 62px;
    height: 62px;
  }
  .ctrl-primary svg {
    width: 24px;
    height: 24px;
  }
  .ctrl-reset, .ctrl-skip {
    width: 40px;
    height: 40px;
  }
  .ctrl-reset svg, .ctrl-skip svg {
    width: 18px;
    height: 18px;
  }
  .zen-rock-garden {
    margin-top: 6px;
    gap: 14px;
  }
  .zen-pebble {
    width: 28px !important;
    height: 18px !important;
  }
}

/* Cinema Mode Shield Breach Visual Overlay */
.shield-breach-overlay {
  position: fixed;
  inset: 0;
  background: rgba(239, 68, 68, 0.25);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #ff8787;
  font-family: var(--sans);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.8s var(--ease-smooth);
  text-align: center;
  padding: 24px;
}
.shield-breach-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.shield-breach-overlay svg {
  margin-bottom: 16px;
  color: #ef4444;
  filter: drop-shadow(0 0 15px rgba(239, 68, 68, 0.6));
  animation: alert-ping 1.4s ease-in-out infinite;
}
@keyframes alert-ping {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.1); opacity: 1; }
}

/* Zen Pebble Garden & Waves Styling */
.zen-rock-garden {
  display: flex;
  flex-direction: column; /* BUG-011: Moved from conflicting inline style */
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  position: relative;
  width: 100%;
  animation: fade-in 1s var(--ease);
}
.zen-pebble {
  background: radial-gradient(circle at 35% 35%, #3e3e4a, #1a1a24);
  border-radius: 50% 50% 45% 45% / 55% 55% 45% 45%;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4), inset 0 2px 3px rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: all 0.4s var(--ease);
  transform: rotate(calc(var(--rot, 0deg)));
  flex-shrink: 0;
}
.zen-pebble:hover {
  transform: translateY(-4px) scale(1.1) rotate(calc(var(--rot, 0deg)));
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.5), 0 0 12px var(--active-glow);
  border-color: var(--active);
}
.zen-pebble:active {
  transform: translateY(0) scale(0.95) rotate(calc(var(--rot, 0deg)));
}
.zen-pebble-quote {
  /* BUG-L12 FIX: Change to relative layout for natural vertical flow below pebbles row */
  position: relative;
  margin: 10px auto 0;
  width: 280px;
  text-align: center;
  font-size: 0.74rem;
  color: var(--muted);
  font-style: italic;
  line-height: 1.4;
  opacity: 0;
  transition: opacity 0.5s var(--ease);
  pointer-events: none;
  min-height: 38px;
}
.zen-pebble-quote.active {
  opacity: 1;
}

#zen-wave-canvas {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  height: 120px;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.1s ease-out;
}
body.zen-mode-active #zen-wave-canvas {
  opacity: 0.15;
  transition: opacity 0.8s var(--ease-smooth);
}

#zen-bg-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.1s ease-out;
}
body.zen-mode-active #zen-bg-canvas {
  opacity: 1;
  transition: opacity 0.8s var(--ease-smooth);
}

/* Tag Selection Chips */
.tag-chip {
  font-size: 0.65rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 2px 8px;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s var(--ease);
  user-select: none;
}
.tag-chip:hover {
  border-color: var(--active);
  color: var(--active);
  background: color-mix(in srgb, var(--active) 8%, transparent);
  transform: translateY(-1px);
}
.tag-chip.selected {
  border-color: var(--active);
  color: var(--active);
  background: color-mix(in srgb, var(--active) 12%, transparent);
  font-weight: 600;
}

/* 6. Sound Popover Mixer */
.sound-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--rx);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  position: relative;
}
.sound-toggle-btn:hover, .sound-toggle-btn.active {
  color: var(--text);
  border-color: var(--active);
  background: var(--surface-2);
}

.sound-popover {
  position: absolute; /* BUG-034: Absolute positioned relative to header-right anchor */
  top: 48px;
  right: 0;
  z-index: 150;
  width: 250px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: 0 12px 32px rgba(0,0,0,0.5), 0 0 40px var(--active-glow);
  padding: 16px;
  animation: slide-down 0.2s var(--ease);
  transform-origin: top right;
}
.sound-popover-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.popover-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1rem;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
  margin-bottom: 2px;
  text-align: left;
}
.popover-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.popover-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--rx);
  padding: 6px 10px;
  transition: border-color 0.2s;
}
.popover-row:focus-within {
  border-color: var(--active);
}
.popover-card {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  transition: all 0.2s;
  flex-shrink: 0;
  width: 80px;
  text-align: left;
}
.popover-card:hover {
  color: var(--text);
}
.popover-card[aria-pressed="true"] {
  color: var(--active);
}
.popover-slider {
  flex: 1;
  min-width: 0;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  border-radius: 1.5px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}
.popover-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
  cursor: pointer;
  transition: transform 0.1s, background 0.1s;
}
.popover-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}
.popover-row:has(.popover-card[aria-pressed="true"]) .popover-slider::-webkit-slider-thumb,
.popover-row.mixer-row-active .popover-slider::-webkit-slider-thumb {
  background: var(--active);
}
.popover-volume-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 2px;
}
.popover-volume-label {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.65rem;
  color: var(--sub);
  width: 45px;
  text-align: left;
}
.popover-volume-slider {
  flex: 1;
  min-width: 0;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  border-radius: 1.5px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}
.popover-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--active);
  cursor: pointer;
  transition: transform 0.1s;
}
.popover-volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}

/* ============================================================
   FOCUS BACK BUTTON
   ============================================================ */
.focus-back-btn {
  position: fixed;
  top: 24px;
  left: 24px;
  z-index: 99;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.77rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), color 0.2s, border-color 0.2s, background 0.2s;
}

body.zen-mode-active .focus-back-btn,
body.flow-shield-active .focus-back-btn,
body.breath-mode-active .focus-back-btn {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.focus-back-btn:hover {
  color: var(--text);
  border-color: var(--active);
  background: var(--surface-2);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2), 0 0 12px var(--active-glow);
}

.focus-back-btn:active {
  transform: translateY(1px);
}

@media (max-width: 768px) {
  .history-header {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
    padding: 12px 16px !important;
  }
  .history-header-left {
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 8px !important;
    width: 100% !important;
  }
  .export-btn {
    align-self: flex-start !important;
    width: fit-content !important;
  }
}

@media (max-width: 640px) {
  .focus-back-btn {
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    font-size: 0.7rem;
  }
  /* BUG-035: Keep sound, shield, and palette buttons visible on mobile headers by using two-row flex wraps */
  .app-header {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 16px 0 12px;
  }
  .logo {
    width: 100%;
    justify-content: center;
  }
  .header-right {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
  }
  /* Enforce identical button and icon sizing for Zen & Settings buttons on all mobile viewports */
  .zen-btn,
  .settings-btn,
  .sound-toggle-btn,
  .shield-btn,
  .palette-btn {
    width: 34px !important;
    height: 34px !important;
  }
  .zen-btn svg,
  .settings-btn svg,
  .sound-toggle-btn svg,
  .shield-btn svg,
  .palette-btn svg {
    width: 17px !important;
    height: 17px !important;
  }
}

@media (max-width: 360px) {
  .kbd-hint {
    display: none !important;
  }
}

/* ============================================================
   ZEN MODE STYLES
   ============================================================ */
#zen-bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.1s ease-out;
}

#zen-wave-canvas {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.1s ease-out;
}

body.zen-mode-active {
  background: linear-gradient(
    135deg,
    var(--zen-bg-1, #07070b),
    var(--zen-bg-2, #11051b),
    var(--zen-bg-3, #040c17),
    var(--zen-bg-4, #0b0312)
  ) !important;
  background-color: var(--bg) !important;
  background-size: 400% 400% !important;
  animation: zenGradientShift 30s ease infinite !important;
  overflow: hidden !important;
  height: 100vh !important;
  height: 100dvh !important;
  transition: color 0.8s var(--ease-smooth) !important;
}

body.zen-mode-active .app-shell {
  height: 100vh !important;
  height: 100dvh !important;
  overflow: hidden !important;
  padding: 40px 20px 20px !important;
}

@keyframes zenGradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

body.zen-mode-active #zen-bg-canvas {
  opacity: 1;
  transition: opacity 0.8s var(--ease-smooth);
}

body.zen-mode-active #zen-wave-canvas {
  opacity: 1;
  transition: opacity 0.8s var(--ease-smooth);
}

/* Hide non-essential UI in Zen Mode */
body.zen-mode-active .app-header {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-20px);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}

body.zen-mode-active .stats-grid,
body.zen-mode-active .app-footer,
body.zen-mode-active .settings-panel,
body.zen-mode-active .kbd-hint,
body.zen-mode-active .velocity-score,
body.zen-mode-active .interruption-row,
body.zen-mode-active .break-suggestion-card,
body.zen-mode-active .bg-blob,
body.zen-mode-active .zen-rock-garden {
  display: none !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

body.zen-mode-active .mode-label {
  opacity: 0.4;
  margin-top: 10px;
}

/* Timer ring pulse glow in zen mode */
body.zen-mode-active .timer-ring {
  animation: zenTimerPulse 4s ease-in-out infinite;
}

@keyframes zenTimerPulse {
  0%, 100% {
    filter: drop-shadow(0 0 8px var(--active-glow));
    transform: scale(1);
  }
  50% {
    filter: drop-shadow(0 0 20px var(--active-glow));
    transform: scale(1.02);
  }
}

/* Timer main area centering in zen mode */
body.zen-mode-active .timer-main {
  position: relative;
  z-index: 2;
  margin: auto !important;
  padding: 0 !important;
  transform: translateY(-35px);
}

/* Show the zen-toggle-btn even in zen mode so user can exit */
body.zen-mode-active .zen-btn {
  position: fixed !important;
  top: 20px;
  right: 20px;
  z-index: 1000;
  opacity: 0.35;
  pointer-events: auto !important;
  transition: opacity 0.3s;
}

body.zen-mode-active .zen-btn:hover {
  opacity: 1;
}

/* Zen button active state */
.zen-btn.active {
  color: var(--active);
  background: var(--active-glow);
  box-shadow: 0 0 12px var(--active-glow);
}

/* ============================================================
   ZEN ROCK GARDEN
   ============================================================ */
.zen-rock-garden {
  position: relative;
  z-index: 2;
  margin-top: 12px;
  padding: 8px 12px;
  background: transparent !important;
  border: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  max-width: 360px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

#zen-garden-canvas {
  display: block;
  width: 100%;
  height: 110px;
  pointer-events: none;
}

@media (max-height: 680px) {
  #zen-garden-canvas {
    height: 75px;
  }
  .zen-rock-garden {
    margin-top: 6px;
    padding: 4px 10px;
  }
}


.zen-pebble {
  display: inline-block;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  transform: rotate(var(--rot, 0deg));
  transition: transform 0.3s var(--ease), box-shadow 0.3s, background 0.3s;
}

.zen-pebble:hover {
  transform: rotate(var(--rot, 0deg)) scale(1.15);
  box-shadow: 0 0 14px var(--active-glow);
  background: linear-gradient(135deg, var(--active-glow), rgba(255,255,255,0.04));
}

.zen-pebble:active {
  transform: rotate(var(--rot, 0deg)) scale(0.95);
}

[data-theme="light"] .zen-pebble {
  background: linear-gradient(135deg, rgba(0,0,0,0.06), rgba(0,0,0,0.02));
  border-color: rgba(0,0,0,0.1);
}

.zen-pebble-quote {
  text-align: center;
  font-size: 0.72rem;
  font-style: italic;
  color: var(--muted);
  margin-top: 8px;
  min-height: 20px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.zen-pebble-quote.active {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   COMMAND PALETTE ITEMS
   ============================================================ */
.command-palette-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  border: 1px solid transparent;
}

.command-palette-item:hover,
.command-palette-item.active {
  background: var(--surface-2);
  border-color: var(--border);
}

.command-palette-item.active {
  border-color: var(--active);
  box-shadow: 0 0 0 1px var(--active-glow);
}

.command-shortcut {
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--surface);
  padding: 3px 8px;
  border-radius: 5px;
  border: 1px solid var(--border);
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: 12px;
}

/* ============================================================
   DNA STRAND VIEW
   ============================================================ */
.stats-col-1, .stats-col-2 {
  min-width: 0 !important;
}

.dna-strand-view {
  border-radius: var(--r);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  width: 100% !important;
  max-width: 100% !important;
}

.dna-tooltip {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--rs);
  padding: 10px 14px;
  font-size: 0.72rem;
  color: var(--text);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  min-width: 160px;
  max-width: 220px;
}

/* ============================================================
   AI REPORT STYLES
   ============================================================ */
.report-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
}

.report-stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.report-stat-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.report-stat-val {
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

.report-insight-card {
  width: 100%;
  background: color-mix(in srgb, var(--focus) 5%, var(--surface-2));
  border: 1px solid color-mix(in srgb, var(--focus) 15%, var(--border));
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text);
}

/* ============================================================
   ONBOARDING OVERLAY
   ============================================================ */
.onboarding-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  pointer-events: auto;
}

.onboarding-tooltip {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 18px 20px;
  max-width: 340px;
  width: 90vw;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  z-index: 10000;
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1.5;
}

.onboarding-close-btn {
  position: absolute;
  top: 8px;
  right: 10px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
}

.onboarding-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
  gap: 10px;
}

.onboarding-skip-btn {
  background: none;
  border: none;
  color: var(--sub);
  font-size: 0.7rem;
  cursor: pointer;
  padding: 4px 8px;
  font-family: var(--sans);
}

.onboarding-btn {
  background: var(--active);
  color: var(--bg);
  border: none;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--sans);
  transition: opacity 0.2s;
}

.onboarding-btn:hover {
  opacity: 0.9;
}

/* ============================================================
   SOUND PRESETS
   ============================================================ */
.sound-presets-section {
  margin-top: 12px;
}

.sound-preset-label {
  display: block;
  margin-bottom: 8px;
}

.sound-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sound-preset-chip {
  padding: 6px 12px;
  font-size: 0.7rem;
  font-weight: 500;
  font-family: var(--sans);
  color: var(--muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.sound-preset-chip:hover {
  color: var(--text);
  background: var(--surface);
  border-color: var(--active);
}

.sound-preset-chip.active {
  color: var(--active);
  border-color: var(--active);
  background: var(--active-glow);
}

/* ============================================================
   ZEN AI COMMAND & CONTROL HUB (n8n AI + Hub Widget)
   ============================================================ */
#zen-ai-hub-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9900;
  font-family: var(--sans);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

/* Teaser Tooltip Card Anchored Above Button */
#zen-ai-teaser-tooltip {
  position: absolute !important;
  bottom: 68px !important;
  right: 0 !important;
  margin-bottom: 0 !important;
  background: #18181b !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  border-radius: 18px !important;
  padding: 12px 14px !important;
  width: 240px !important;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.1) !important;
  color: #ffffff !important;
  opacity: 0;
  transform: translateY(10px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  z-index: 9950 !important;
}

#zen-ai-teaser-tooltip.visible {
  opacity: 1 !important;
  transform: translateY(0) scale(1) !important;
  pointer-events: auto !important;
}

/* Downward Pointing Arrow Notch */
#zen-ai-teaser-tooltip::after {
  content: '' !important;
  position: absolute !important;
  bottom: -7px !important;
  right: 20px !important;
  width: 14px !important;
  height: 14px !important;
  background: #18181b !important;
  border-right: 1px solid rgba(255, 255, 255, 0.16) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16) !important;
  transform: rotate(45deg) !important;
}

.zen-ai-teaser-close {
  position: absolute !important;
  top: 6px !important;
  right: 8px !important;
  background: none !important;
  border: none !important;
  color: #a1a1aa !important;
  font-size: 0.9rem !important;
  cursor: pointer !important;
  padding: 2px 6px !important;
  border-radius: 50% !important;
  transition: color 0.15s !important;
}

.zen-ai-teaser-close:hover {
  color: #ffffff !important;
}

.zen-ai-teaser-body {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  cursor: pointer !important;
}

.zen-ai-teaser-avatar {
  width: 36px !important;
  height: 36px !important;
  border-radius: 10px !important;
  background: #27272a !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  color: #e4e4e7 !important;
  font-size: 0.75rem !important;
  font-weight: 700 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
}

.zen-ai-teaser-content {
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
}

.zen-ai-teaser-title {
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  color: #f4f4f5 !important;
  line-height: 1.2 !important;
}

.zen-ai-teaser-status {
  font-size: 0.65rem !important;
  color: #a1a1aa !important;
  display: flex !important;
  align-items: center !important;
  gap: 5px !important;
}

.zen-ai-teaser-dot {
  width: 6px !important;
  height: 6px !important;
  border-radius: 50% !important;
  background: #22c55e !important;
  box-shadow: 0 0 6px #22c55e !important;
}

.zen-ai-teaser-msg {
  font-size: 0.7rem !important;
  color: #d4d4d8 !important;
  margin-top: 4px !important;
  line-height: 1.3 !important;
}

/* Dark Squircle Floating Trigger Button */
#zen-ai-trigger-btn {
  position: relative !important;
  width: 52px !important;
  height: 52px !important;
  border-radius: 16px !important;
  background: #18181b !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  color: #f4f4f5 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3) !important;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease) !important;
}

#zen-ai-trigger-btn:hover {
  transform: scale(1.06) translateY(-2px) !important;
  background: #27272a !important;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.6) !important;
  border-color: rgba(255, 255, 255, 0.28) !important;
}

#zen-ai-trigger-btn:active {
  transform: scale(0.95) !important;
}

.zen-ai-trigger-pulse {
  position: absolute !important;
  top: -4px !important;
  left: -4px !important;
  right: -4px !important;
  bottom: -4px !important;
  border-radius: 20px !important;
  border: 1.5px solid rgba(255, 255, 255, 0.2) !important;
  animation: zenAiPulse 3s infinite !important;
  pointer-events: none !important;
}

@keyframes zenAiPulse {
  0% { transform: scale(0.96); opacity: 0.6; }
  50% { transform: scale(1.12); opacity: 0; }
  100% { transform: scale(0.96); opacity: 0; }
}

#zen-ai-trigger-badge {
  position: absolute !important;
  top: -4px !important;
  right: -4px !important;
  background: #ef4444 !important;
  color: #ffffff !important;
  font-size: 0.65rem !important;
  font-weight: 700 !important;
  width: 18px !important;
  height: 18px !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  border: 2px solid #18181b !important;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.5) !important;
}

/* Glassmorphic Drawer Modal */
.zen-ai-drawer {
  position: fixed;
  bottom: 90px;
  right: 24px;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 560px;
  max-height: calc(100vh - 120px);
  background: var(--surface-1, rgba(15, 15, 20, 0.92));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: zenAiSlideUp 0.3s var(--ease);
}

@keyframes zenAiSlideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Header */
.zen-ai-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--surface-2, rgba(255, 255, 255, 0.03));
  border-bottom: 1px solid var(--border);
}

.zen-ai-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.zen-ai-logo-badge {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--active), var(--focus, #6366f1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.95rem;
}

.zen-ai-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.zen-ai-subtitle {
  font-size: 0.65rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.zen-ai-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #9ca3af;
}

.zen-ai-status-dot.online {
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.zen-ai-status-dot.local {
  background: var(--active);
}

.zen-ai-header-actions {
  display: flex;
  gap: 6px;
}

.zen-ai-icon-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}

.zen-ai-icon-btn:hover {
  background: var(--surface-2);
  color: var(--text);
}

/* Tabs */
.zen-ai-tabs {
  display: flex;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding: 4px;
}

.zen-ai-tab {
  flex: 1;
  padding: 8px 4px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.zen-ai-tab.active {
  color: var(--text);
  background: var(--surface-1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Tab Contents */
.zen-ai-tab-content {
  display: none;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  padding: 14px;
}

.zen-ai-tab-content.active {
  display: flex;
}

/* Prompt Chips */
.zen-ai-prompt-chips {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 6px;
  scrollbar-width: none;
}

.zen-ai-prompt-chips::-webkit-scrollbar {
  display: none;
}

.zen-ai-chip {
  white-space: nowrap;
  font-size: 0.66rem;
  font-weight: 500;
  padding: 5px 11px;
  border-radius: 100px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}

.zen-ai-chip:hover {
  color: var(--text);
  border-color: var(--active);
  background: var(--active-glow);
}

/* Messages Container */
.zen-ai-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-right: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.zen-ai-msg {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 90%;
}

.zen-ai-msg.user {
  align-self: flex-end;
}

.zen-ai-msg.ai {
  align-self: flex-start;
}

.zen-ai-msg-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.62rem;
  color: var(--muted);
  padding: 0 4px;
}

.zen-ai-msg-bubble {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.78rem;
  line-height: 1.45;
  word-break: break-word;
}

.zen-ai-msg.user .zen-ai-msg-bubble {
  background: linear-gradient(135deg, var(--active), var(--focus, #6366f1));
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.zen-ai-msg.ai .zen-ai-msg-bubble {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

/* Action Cards Inside Chat */
.zen-ai-msg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.zen-ai-action-btn {
  padding: 6px 12px;
  font-size: 0.68rem;
  font-weight: 600;
  font-family: var(--sans);
  color: var(--active);
  background: var(--active-glow);
  border: 1px solid var(--active);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.zen-ai-action-btn:hover {
  background: var(--active);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--active-glow);
}

/* Chat Input Form */
.zen-ai-chat-form {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

#zen-ai-chat-input {
  flex: 1;
  padding: 10px 14px;
  font-size: 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

#zen-ai-chat-input:focus {
  border-color: var(--active);
  box-shadow: 0 0 0 2px var(--active-glow);
}

.zen-ai-send-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--active);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, background 0.15s;
}

.zen-ai-send-btn:hover {
  transform: scale(1.05);
}

/* Typing indicator */
.zen-ai-msg.typing .zen-ai-msg-bubble {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
}

.zen-ai-msg.typing .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
  animation: zenAiBlink 1.4s infinite ease-in-out both;
}

.zen-ai-msg.typing .dot:nth-child(1) { animation-delay: -0.32s; }
.zen-ai-msg.typing .dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes zenAiBlink {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* Sound Deck Tab */
.zen-ai-section-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 8px;
}

.zen-ai-sound-presets {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.zen-ai-preset-btn {
  padding: 8px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.zen-ai-preset-btn:hover {
  border-color: var(--active);
  background: var(--active-glow);
}

.zen-ai-volume-rows {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}

.zen-ai-vol-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text);
  background: var(--surface-2);
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.zen-ai-vol-row.master {
  border-color: var(--active);
  background: var(--active-glow);
}

.zen-ai-vol-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}

.zen-ai-vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--active);
  cursor: pointer;
}

.zen-ai-vol-val {
  font-family: var(--mono);
  font-size: 0.68rem;
  width: 36px;
  text-align: right;
  color: var(--muted);
}

/* Goal & Subtasks Tab */
.zen-ai-goal-box {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

#zen-ai-goal-input {
  flex: 1;
  padding: 10px 12px;
  font-size: 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  outline: none;
}

.zen-ai-subtask-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.zen-ai-mini-btn {
  padding: 4px 10px;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--active);
  background: var(--active-glow);
  border: 1px solid var(--active);
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.zen-ai-mini-btn:hover {
  background: var(--active);
  color: #fff;
}

.zen-ai-subtask-form {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

#zen-ai-subtask-input {
  flex: 1;
  padding: 8px 10px;
  font-size: 0.74rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  outline: none;
}

.zen-ai-mini-add-btn {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--active);
  border: none;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

.zen-ai-subtask-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  flex: 1;
}

.zen-ai-subtask-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.74rem;
  color: var(--text);
}

.zen-ai-subtask-item.done span {
  text-decoration: line-through;
  opacity: 0.5;
}

.zen-ai-del-subtask {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
}

.zen-ai-empty-subtask {
  font-size: 0.72rem;
  color: var(--muted);
  font-style: italic;
  text-align: center;
  padding: 16px 0;
}

/* Config Modal */
.zen-ai-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.zen-ai-modal-content {
  width: 380px;
  max-width: 100%;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.zen-ai-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.zen-ai-modal-header h3 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text);
}

.zen-ai-modal-desc {
  font-size: 0.72rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.4;
}

.zen-ai-field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.zen-ai-field-group label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--sub);
  text-transform: uppercase;
}

#zen-ai-webhook-input {
  width: 100%;
  padding: 10px;
  font-family: var(--mono);
  font-size: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  outline: none;
  box-sizing: border-box;
}

.zen-ai-config-status {
  font-size: 0.68rem;
  min-height: 16px;
}

.zen-ai-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.zen-ai-primary-btn {
  padding: 8px 14px;
  font-size: 0.74rem;
  font-weight: 600;
  color: #fff;
  background: var(--active);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.zen-ai-secondary-btn {
  padding: 8px 14px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

/* Radio Mode Selector for Settings */
.zen-ai-mode-selector {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 6px 0;
}

.zen-ai-radio-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.zen-ai-radio-label:hover {
  border-color: var(--active);
}

.zen-ai-radio-label.selected {
  border-color: var(--active);
  background: var(--active-glow);
}

.zen-ai-radio-label input {
  margin-top: 3px;
  accent-color: var(--active);
}

.zen-ai-radio-label strong {
  font-size: 0.76rem;
  color: var(--text);
  display: block;
}

.zen-ai-radio-label p {
  font-size: 0.66rem;
  color: var(--muted);
  margin: 2px 0 0 0;
  line-height: 1.35;
}

.zen-ai-developer-fields {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

.zen-ai-template-download-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-2);
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 6px;
}

.zen-ai-template-download-note a {
  color: var(--active);
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
}

.zen-ai-template-download-note a:hover {
  color: var(--focus, #6366f1);
}

/* Light Theme Overrides */
[data-theme="light"] .zen-ai-drawer {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .zen-ai-msg.ai .zen-ai-msg-bubble {
  background: rgba(0, 0, 0, 0.05);
}

/* Responsive adjustments */
@media (max-width: 480px) {
  #zen-ai-hub-container {
    bottom: 16px;
    right: 16px;
  }
  .zen-ai-drawer {
    right: 16px;
    bottom: 80px;
    width: calc(100vw - 32px);
    height: 500px;
  }
}

/* ============================================================
   EXACT MATCH DESIGN: DARK SQUIRCLE BUTTON & TEASER TOOLTIP CARD
   ============================================================ */

/* Teaser Tooltip Card (Anchored Above Trigger Button) */
#zen-ai-teaser-tooltip {
  position: absolute !important;
  bottom: 70px !important;
  right: 0 !important;
  width: 275px !important;
  background: #18181b !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  border-radius: 18px !important;
  padding: 12px 16px !important;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.75), 0 0 0 1px rgba(255, 255, 255, 0.08) !important;
  color: #ffffff !important;
  opacity: 0 !important;
  transform: translateY(12px) scale(0.95) !important;
  pointer-events: none !important;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
  z-index: 99950 !important;
  box-sizing: border-box !important;
}

#zen-ai-teaser-tooltip.visible {
  opacity: 1 !important;
  transform: translateY(0) scale(1) !important;
  pointer-events: auto !important;
}

/* Downward Pointing Notch Arrow */
#zen-ai-teaser-tooltip::after {
  content: '' !important;
  position: absolute !important;
  bottom: -7px !important;
  right: 20px !important;
  width: 13px !important;
  height: 13px !important;
  background: #18181b !important;
  border-right: 1px solid rgba(255, 255, 255, 0.18) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18) !important;
  transform: rotate(45deg) !important;
}

.zen-ai-teaser-close {
  position: absolute !important;
  top: 6px !important;
  right: 8px !important;
  background: transparent !important;
  border: none !important;
  color: #71717a !important;
  font-size: 0.95rem !important;
  cursor: pointer !important;
  padding: 2px 6px !important;
  border-radius: 50% !important;
  transition: color 0.15s ease !important;
  line-height: 1 !important;
  z-index: 2 !important;
}

.zen-ai-teaser-close:hover {
  color: #ffffff !important;
}

.zen-ai-teaser-body {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  cursor: pointer !important;
}

.zen-ai-teaser-avatar {
  width: 38px !important;
  height: 38px !important;
  border-radius: 12px !important;
  background: #27272a !important;
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  color: #e4e4e7 !important;
  font-size: 0.78rem !important;
  font-weight: 700 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
}

.zen-ai-teaser-content {
  display: flex !important;
  flex-direction: column !important;
  gap: 1px !important;
  flex: 1 !important;
  padding-right: 14px !important;
}

.zen-ai-teaser-title {
  font-size: 0.82rem !important;
  font-weight: 700 !important;
  color: #f4f4f5 !important;
  line-height: 1.2 !important;
  white-space: nowrap !important;
}

.zen-ai-teaser-status {
  font-size: 0.66rem !important;
  color: #a1a1aa !important;
  display: flex !important;
  align-items: center !important;
  gap: 5px !important;
  margin-top: 1px !important;
}

.zen-ai-teaser-dot {
  width: 6px !important;
  height: 6px !important;
  border-radius: 50% !important;
  background: #22c55e !important;
  box-shadow: 0 0 6px #22c55e !important;
}

.zen-ai-teaser-msg {
  font-size: 0.71rem !important;
  color: #d4d4d8 !important;
  margin-top: 4px !important;
  line-height: 1.3 !important;
}

/* Dark Squircle Floating Trigger Button */
#zen-ai-trigger-btn {
  position: relative !important;
  width: 52px !important;
  height: 52px !important;
  border-radius: 16px !important;
  background: #18181b !important;
  border: 1px solid rgba(255, 255, 255, 0.18) !important;
  color: #f4f4f5 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 0, 0, 0.3) !important;
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease !important;
}

#zen-ai-trigger-btn:hover {
  transform: scale(1.06) translateY(-2px) !important;
  background: #27272a !important;
  border-color: rgba(255, 255, 255, 0.28) !important;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.7) !important;
}

#zen-ai-trigger-btn:active {
  transform: scale(0.95) !important;
}

#zen-ai-trigger-badge {
  position: absolute !important;
  top: -4px !important;
  right: -4px !important;
  background: #ef4444 !important;
  color: #ffffff !important;
  font-size: 0.65rem !important;
  font-weight: 700 !important;
  width: 18px !important;
  height: 18px !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  border: 2px solid #18181b !important;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.5) !important;
}