/* ==========================================================================
   Sadhana (సాధన) — Keerthana Practice Studio
   Design system: zinc neutrals, one desaturated amber accent, Geist + Geist Mono,
   Noto Sans Telugu for script. No emoji, no card boxes where a rule will do,
   transform/opacity-only motion, reduced-motion respected.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  color-scheme: dark;

  --font-ui: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-telugu: 'Noto Sans Telugu', 'Geist', system-ui, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --header-h: 3.5rem;
  --sidebar-w: 19rem;
  --r-sm: 0.375rem;
  --r-md: 0.625rem;
  --r-lg: 1rem;
  --r-pill: 999px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --lyric-font-size: 1.35rem;

  /* Systemic layers only */
  --z-bar: 10;
  --z-overlay: 20;
  --z-modal: 50;
  --z-toast: 60;

  /* Dark (default): zinc, off-black */
  --bg-app: #0b0b0d;
  --bg-sidebar: #0e0e11;
  --bg-surface: #131316;
  --bg-raised: #18181c;
  --bg-hover: #1f1f24;
  --bg-deck: rgba(14, 14, 17, 0.92);
  --seg-active: #26262c;

  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.14);

  --text: #ececef;
  --text-2: #a3a3ad;
  --text-3: #72727c;

  --accent: #d19a4b;
  --accent-hover: #dcaa61;
  --accent-ink: #1b1306;
  --accent-dim: rgba(209, 154, 75, 0.12);
  --accent-line: rgba(209, 154, 75, 0.38);

  --danger: #df5b5f;
  --danger-color: var(--danger);
  --danger-dim: rgba(223, 91, 95, 0.12);

  --success: #34d399;
  --warn: var(--accent);

  --shadow-pop: 0 24px 48px -24px rgba(0, 0, 0, 0.7);
  --scrim: rgba(6, 6, 8, 0.62);
  --shimmer: rgba(255, 255, 255, 0.06);
}

body.light-theme {
  color-scheme: light;

  --bg-app: #fafafa;
  --bg-sidebar: #f4f4f5;
  --bg-surface: #ffffff;
  --bg-raised: #f4f4f5;
  --bg-hover: #ebebed;
  --bg-deck: rgba(250, 250, 250, 0.92);
  --seg-active: #ffffff;

  --line: rgba(24, 24, 27, 0.08);
  --line-strong: rgba(24, 24, 27, 0.16);

  --text: #18181b;
  --text-2: #52525b;
  --text-3: #85858f;

  --accent: #a8691a;
  --accent-hover: #935a14;
  --accent-ink: #ffffff;
  --accent-dim: rgba(168, 105, 26, 0.1);
  --accent-line: rgba(168, 105, 26, 0.4);

  --danger: #c9373c;
  --danger-dim: rgba(201, 55, 60, 0.09);

  --success: #059669;
  --warn: var(--accent);

  --shadow-pop: 0 24px 48px -24px rgba(24, 24, 27, 0.22);
  --scrim: rgba(24, 24, 27, 0.35);
  --shimmer: rgba(255, 255, 255, 0.75);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: var(--bg-app);
  color: var(--text);
  font: 400 0.9375rem/1.5 var(--font-ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
ul { list-style: none; }
.hidden { display: none !important; }
.flex-1 { flex: 1 1 0; min-width: 0; }
.text-muted { color: var(--text-3); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
::selection { background: var(--accent-dim); }

* { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }

.ico { flex: none; display: block; }
i[data-icon], span[data-icon] { display: inline-flex; align-items: center; justify-content: center; }
i { font-style: normal; }

@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(0.975); } to { opacity: 1; transform: none; } }
@keyframes toast-in { from { opacity: 0; transform: translateX(1rem); } to { opacity: 1; transform: none; } }
@keyframes shimmer { to { transform: translateX(100%); } }
@keyframes breathe { 0%, 100% { opacity: 0.35; transform: scale(0.8); } 50% { opacity: 1; transform: scale(1.15); } }
@keyframes ring { 0% { opacity: 0.55; transform: scale(1); } 100% { opacity: 0; transform: scale(2.6); } }

/* --------------------------------------------------------------------------
   3. Buttons & controls
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  height: 2.5rem; padding: 0 1rem;
  border-radius: var(--r-md); border: 1px solid transparent;
  font-size: 0.875rem; font-weight: 500; white-space: nowrap;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.15s var(--ease);
}
.btn:active { transform: translateY(1px) scale(0.98); }
.btn[disabled] { opacity: 0.5; pointer-events: none; }
.pill-btn[disabled] { opacity: 0.45; pointer-events: none; cursor: not-allowed; }
.btn[disabled].is-offline-disabled, .pill-btn[disabled].is-offline-disabled {
  pointer-events: auto;
  cursor: not-allowed;
}
.btn-sm { height: 2.125rem; padding: 0 0.75rem; font-size: 0.8125rem; }
.btn-xs { height: 1.75rem; padding: 0 0.625rem; font-size: 0.75rem; }
.btn-lg { height: 2.875rem; padding: 0 1.25rem; font-size: 0.9375rem; }
.btn-icon { font-weight: 600; font-size: 1.05em; line-height: 1; }

.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-raised); border-color: var(--line-strong); color: var(--text); }
.btn-secondary:hover { background: var(--bg-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.08); }
.btn-danger-outline { border-color: var(--line-strong); color: var(--danger); }
.btn-danger-outline:hover { background: var(--danger-dim); border-color: var(--danger); }
.btn-text-sm { font: 500 0.75rem var(--font-mono); color: var(--text-2); padding: 0 0.5rem; height: 1.875rem; border-radius: var(--r-sm); }
.btn-text-sm:hover { color: var(--text); background: var(--bg-hover); }

.pill-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  height: 2.125rem; padding: 0 0.875rem;
  border-radius: var(--r-pill); border: 1px solid var(--line-strong);
  background: var(--bg-surface); color: var(--text-2);
  font-size: 0.8125rem; font-weight: 500; white-space: nowrap;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.15s var(--ease);
}
.pill-btn:hover { background: var(--bg-hover); color: var(--text); }
.pill-btn:active { transform: translateY(1px) scale(0.98); }
.pill-btn.active, .pill-btn.active-state { background: var(--accent-dim); border-color: var(--accent-line); color: var(--accent); }

.icon-btn, .icon-btn-sm, .icon-btn-xs {
  display: inline-grid; place-items: center; border-radius: var(--r-md); color: var(--text-2);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.15s var(--ease);
}
.icon-btn { width: 2.25rem; height: 2.25rem; }
.icon-btn-sm { width: 1.875rem; height: 1.875rem; border-radius: var(--r-sm); font: 600 0.75rem var(--font-mono); }
.icon-btn-xs { width: 1.5rem; height: 1.5rem; border-radius: var(--r-sm); }
.icon-btn:hover, .icon-btn-sm:hover, .icon-btn-xs:hover { background: var(--bg-hover); color: var(--text); }
.icon-btn:active, .icon-btn-sm:active, .icon-btn-xs:active { transform: scale(0.94); }

.icon-circle-btn {
  display: inline-flex; align-items: center; gap: 0.25rem;
  height: 2.5rem; padding: 0 0.75rem; border-radius: var(--r-pill);
  color: var(--text-2); border: 1px solid var(--line);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.15s var(--ease);
}
.icon-circle-btn:hover { background: var(--bg-hover); color: var(--text); }
.icon-circle-btn:active { transform: scale(0.96); }
.step-label { font: 500 0.75rem var(--font-mono); }

/* Sliders */
.custom-slider, .seek-slider {
  -webkit-appearance: none; appearance: none; background: transparent;
  width: 100%; height: 1.25rem; cursor: pointer;
}
.custom-slider::-webkit-slider-runnable-track, .seek-slider::-webkit-slider-runnable-track { height: 4px; border-radius: 4px; background: var(--line-strong); }
.custom-slider::-moz-range-track, .seek-slider::-moz-range-track { height: 4px; border-radius: 4px; background: var(--line-strong); }
.custom-slider::-webkit-slider-thumb, .seek-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; margin-top: -5px; border-radius: 50%;
  background: var(--text); border: 2px solid var(--bg-app); transition: transform 0.15s var(--ease);
}
.custom-slider::-moz-range-thumb, .seek-slider::-moz-range-thumb {
  width: 12px; height: 12px; border-radius: 50%; background: var(--text); border: 2px solid var(--bg-app);
}
.custom-slider:active::-webkit-slider-thumb, .seek-slider:active::-webkit-slider-thumb { transform: scale(1.25); }
.mini-slider { width: 5.5rem; }

/* --------------------------------------------------------------------------
   4. App shell & header
   -------------------------------------------------------------------------- */
.app-layout { display: flex; flex-direction: column; height: 100dvh; }

.app-header {
  position: relative; z-index: var(--z-bar); flex: none;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  height: var(--header-h); padding: 0 1rem;
  background: var(--bg-app); border-bottom: 1px solid var(--line);
}
.header-left, .header-right { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }

.brand { display: flex; align-items: center; gap: 0.625rem; }
.brand-emblem {
  display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 0.5rem;
  background: var(--accent-dim); color: var(--accent); border: 1px solid var(--accent-line);
}
.brand-title { font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.15; }
.telugu-mark { margin-left: 0.375rem; font: 500 0.875rem var(--font-telugu); color: var(--text-3); letter-spacing: 0; }
.brand-subtitle { display: block; font-size: 0.6875rem; color: var(--text-3); letter-spacing: 0.06em; text-transform: uppercase; }

.drone-master-pill {
  display: flex; align-items: center; gap: 0.25rem; padding: 0.1875rem;
  border: 1px solid var(--line-strong); border-radius: var(--r-pill); background: var(--bg-surface);
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.drone-master-pill.active { border-color: var(--accent-line); background: var(--accent-dim); }
.pill-btn.drone-toggle-btn {
  height: 2rem; padding: 0 0.75rem; border: 0; background: transparent; color: var(--text-2);
}
.drone-master-pill.active .drone-toggle-btn { color: var(--accent); }
.drone-pulse-indicator { width: 0.4375rem; height: 0.4375rem; border-radius: 50%; background: var(--text-3); }
.drone-master-pill.active .drone-pulse-indicator { background: var(--accent); animation: breathe 2.4s ease-in-out infinite; }
.drone-status-text { font: 500 0.75rem var(--font-mono); }
.drone-volume-group { display: flex; align-items: center; gap: 0.5rem; padding: 0 0.625rem 0 0.125rem; color: var(--text-3); }

/* --------------------------------------------------------------------------
   5. Sidebar / library
   -------------------------------------------------------------------------- */
.main-body { position: relative; flex: 1; min-height: 0; display: flex; }

.sidebar {
  flex: none; width: var(--sidebar-w); display: flex; flex-direction: column;
  background: var(--bg-sidebar); border-right: 1px solid var(--line);
  transition: margin-left 0.35s var(--ease), transform 0.35s var(--ease);
}
.sidebar.collapsed { margin-left: calc(var(--sidebar-w) * -1); }

.sidebar-header { display: flex; flex-direction: column; gap: 0.875rem; padding: 1rem 1rem 0; }
.sidebar-title-row { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.sidebar-title { font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-3); }

.search-box { position: relative; }
.search-icon { position: absolute; left: 0.75rem; top: 50%; transform: translateY(-50%); color: var(--text-3); pointer-events: none; }
.search-box input {
  width: 100%; height: 2.375rem; padding: 0 2rem 0 2.25rem; border-radius: var(--r-md);
  background: var(--bg-surface); border: 1px solid var(--line);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.search-box input::placeholder { color: var(--text-3); }
.search-box input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.clear-btn {
  position: absolute; right: 0.375rem; top: 50%; transform: translateY(-50%);
  width: 1.5rem; height: 1.5rem; display: grid; place-items: center; border-radius: 50%; color: var(--text-3);
}
.clear-btn:hover { background: var(--bg-hover); color: var(--text); }

.filter-tabs { display: flex; gap: 0.25rem; border-bottom: 1px solid var(--line); }
.filter-tab {
  padding: 0.5rem 0.5rem 0.625rem; margin-bottom: -1px; font-size: 0.8125rem; color: var(--text-3);
  border-bottom: 2px solid transparent; transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.filter-tab:hover { color: var(--text-2); }
.filter-tab.active { color: var(--text); border-bottom-color: var(--accent); }

.song-list-container { flex: 1; min-height: 0; overflow-y: auto; }

.song-list-item {
  position: relative; padding: 0.75rem 1rem 0.75rem 1.125rem; border-bottom: 1px solid var(--line);
  cursor: pointer; opacity: 0;
  animation: rise 0.4s var(--ease) forwards; animation-delay: calc(var(--i, 0) * 35ms);
  transition: background-color 0.2s var(--ease);
}
.song-list-item::before {
  content: ''; position: absolute; left: 0; top: 0.75rem; bottom: 0.75rem; width: 2px; border-radius: 2px;
  background: var(--accent); transform: scaleY(0); transition: transform 0.25s var(--ease);
}
.song-list-item:hover { background: var(--bg-hover); }
.song-list-item.active { background: var(--accent-dim); }
.song-list-item.active::before { transform: scaleY(1); }

.item-top-row { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; }
.item-title-en { font-size: 0.9rem; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item-title-te { font: 400 0.8125rem/1.7 var(--font-telugu); color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item-bottom-row { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-top: 0.25rem; }
.item-ragam-composer { font-size: 0.75rem; color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item-meta-badges { display: flex; gap: 0.375rem; flex: none; }
.item-badge-renditions {
  display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.0625rem 0.4375rem;
  border: 1px solid var(--line); border-radius: var(--r-pill); font: 500 0.6875rem var(--font-mono); color: var(--text-3);
}
.item-badge-pinned {
  display: inline-flex; align-items: center; gap: 0.2rem; padding: 0.0625rem 0.375rem;
  border: 1px solid var(--accent-line); background: var(--accent-dim); border-radius: var(--r-pill);
  font: 500 0.6875rem var(--font-mono); color: var(--accent);
}
.song-list-item.offline-dimmed {
  opacity: 0.42;
  filter: grayscale(0.6);
  cursor: not-allowed;
}
.song-list-item.offline-dimmed:hover {
  background: transparent;
}

/* Practice status marker: hollow, half, full — shape carries meaning, not colour */
.status-dot { flex: none; width: 0.5rem; height: 0.5rem; border-radius: 50%; border: 1.5px solid var(--text-3); }
.status-dot-practicing { border-color: var(--accent); background: linear-gradient(90deg, var(--accent) 50%, transparent 50%); }
.status-dot-mastered { border-color: var(--accent); background: var(--accent); }

.song-skeleton { display: grid; gap: 0.5rem; padding: 0.9375rem 1.125rem; border-bottom: 1px solid var(--line); }
.song-skeleton span { position: relative; display: block; height: 0.625rem; width: 38%; border-radius: 4px; background: var(--bg-raised); overflow: hidden; }
.song-skeleton span:first-child { height: 0.75rem; width: 62%; }
.song-skeleton span::after {
  content: ''; position: absolute; inset: 0; transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, var(--shimmer), transparent);
  animation: shimmer 1.4s var(--ease) infinite; animation-delay: calc(var(--i, 0) * 120ms);
}

.empty-list-state { padding: 2rem 1.125rem; font-size: 0.875rem; color: var(--text-3); }

.sidebar-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
  padding: 0.75rem 1.125rem; border-top: 1px solid var(--line); font: 400 0.6875rem var(--font-mono); color: var(--text-3);
}

/* --------------------------------------------------------------------------
   6. Stage — asymmetric: reading column + instrument rail
   -------------------------------------------------------------------------- */
.main-stage { flex: 1; min-width: 0; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }

.active-song-stage {
  flex: 1; min-height: 0; display: grid;
  grid-template-columns: minmax(0, 1fr) 16.5rem;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  grid-template-areas: 'title rail' 'notes rail' 'tools rail' 'lyrics rail';
  column-gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: 1.75rem clamp(1rem, 3vw, 3rem) 0 clamp(1rem, 4vw, 3.5rem);
}
.song-meta-header { display: contents; }

.title-and-status-row { grid-area: title; display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding-bottom: 1.25rem; }
.title-group { min-width: 0; }
.telugu-title-container { display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem 0.875rem; }
.song-telugu-title { font: 600 clamp(1.5rem, 2.4vw, 2rem)/1.5 var(--font-telugu); letter-spacing: 0; }
.song-english-title { margin-top: 0.125rem; font-size: 0.9375rem; font-weight: 500; color: var(--text-2); }
.song-header-actions { display: flex; gap: 0.5rem; flex: none; }

.status-pill {
  display: inline-flex; align-items: center; gap: 0.4375rem; height: 1.5rem; padding: 0 0.625rem;
  border: 1px solid var(--line-strong); border-radius: var(--r-pill);
  font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-2);
}
.status-pill::before { content: ''; width: 0.4375rem; height: 0.4375rem; border-radius: 50%; border: 1.5px solid currentColor; }
.status-practicing { color: var(--accent); border-color: var(--accent-line); }
.status-practicing::before { background: linear-gradient(90deg, currentColor 50%, transparent 50%); }
.status-mastered { color: var(--accent); border-color: var(--accent-line); background: var(--accent-dim); }
.status-mastered::before { background: currentColor; }

.connectivity-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.status-pill-connection {
  cursor: default;
  user-select: none;
}
.status-pill-connection.status-online {
  color: var(--text-2);
  border-color: var(--line-strong);
}
.status-pill-connection.status-online::before {
  border-color: var(--success);
  background: var(--success);
}
.status-pill-connection.status-offline {
  color: var(--text-2);
  border-color: var(--accent-line);
  background: var(--accent-dim);
}
.status-pill-connection.status-offline::before {
  border-color: var(--warn);
  background: var(--warn);
}

.pending-takes-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  height: 1.5rem;
  padding: 0 0.55rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--accent-line);
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.15s var(--ease);
}
.pending-takes-pill:hover {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  border-color: var(--accent);
}
.pending-takes-pill:active {
  transform: translateY(1px) scale(0.98);
}
.pending-takes-pill .pending-takes-count {
  font-family: var(--font-mono);
  font-weight: 600;
}

.btn-pin-offline {
  display: inline-flex;
  align-items: center;
  gap: 0.4375rem;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.btn-pin-offline.is-pinned {
  background: var(--accent-dim);
  border-color: var(--accent-line);
  color: var(--accent);
}
.btn-pin-offline.is-pinned:hover {
  background: color-mix(in srgb, var(--accent) 20%, transparent);
}
.btn-pin-offline.is-pinning {
  pointer-events: none;
  opacity: 0.85;
}
.pin-spinner {
  display: inline-block;
  width: 0.8125rem;
  height: 0.8125rem;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Instrument rail: ruled list, no boxes */
.musical-attributes-bar { grid-area: rail; align-self: start; display: flex; flex-direction: column; min-width: 0; border-top: 1px solid var(--line); }
.meta-pill { display: flex; flex-direction: column; gap: 0.25rem; padding: 0.875rem 0; border-bottom: 1px solid var(--line); }
.pill-label { font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.pill-value { font-size: 1rem; font-weight: 500; overflow-wrap: anywhere; }
.pill-select {
  width: 100%; height: 2.25rem; padding: 0 0.625rem; border-radius: var(--r-md);
  background: var(--bg-surface); border: 1px solid var(--line-strong); cursor: pointer;
  transition: border-color 0.2s var(--ease);
}
.pill-select:hover { border-color: var(--text-3); }
.shruti-pill .pill-select { font-family: var(--font-mono); font-size: 0.875rem; }
.pill-btn.notes-pill-btn { align-self: flex-start; margin-top: 0.875rem; }
.notes-count-badge {
  display: inline-grid; place-items: center; min-width: 1.125rem; height: 1.125rem; padding: 0 0.25rem; border-radius: var(--r-pill);
  background: var(--accent); color: var(--accent-ink); font: 600 0.625rem var(--font-mono);
}

.song-notes-drawer {
  grid-area: notes; margin-bottom: 1rem; padding: 0.875rem 1rem;
  border-left: 2px solid var(--accent); background: var(--accent-dim); border-radius: 0 var(--r-md) var(--r-md) 0;
  animation: rise 0.3s var(--ease);
}
.notes-header { display: flex; align-items: center; justify-content: space-between; }
.notes-header h4 { font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); }
.notes-rendered-text { max-width: 65ch; margin: 0.5rem 0 0.75rem; font-size: 0.875rem; color: var(--text-2); white-space: pre-wrap; }

.practice-toolbar {
  grid-area: tools; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 1rem;
  padding: 0.75rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.toolbar-left, .toolbar-right { display: flex; align-items: center; flex-wrap: wrap; gap: 0.75rem; }

.segmented-control { display: inline-flex; padding: 0.1875rem; border-radius: var(--r-md); background: var(--bg-raised); border: 1px solid var(--line); }
.seg-btn {
  height: 1.875rem; padding: 0 0.75rem; border-radius: 0.4375rem; font-size: 0.8125rem; font-weight: 500; color: var(--text-2);
  transition: background-color 0.25s var(--ease), color 0.2s var(--ease), box-shadow 0.25s var(--ease);
}
.seg-btn:hover { color: var(--text); }
.seg-btn.active { background: var(--seg-active); color: var(--text); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 1px 2px rgba(0, 0, 0, 0.25); }

.font-scaler-group { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: var(--r-md); padding: 0.125rem; }
.autoscroll-group { display: inline-flex; align-items: center; gap: 0.75rem; }
.scroll-speed-wrapper { display: inline-flex; align-items: center; gap: 0.5rem; }
.speed-label { font: 500 0.6875rem var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); }

/* --------------------------------------------------------------------------
   7. Lyrics reader
   -------------------------------------------------------------------------- */
.lyrics-viewport { grid-area: lyrics; min-height: 0; overflow-y: auto; padding: 0.25rem 0.5rem 4rem 0; }
.lyrics-container { max-width: 62rem; }

.stanza-card {
  position: relative; display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); column-gap: 1.5rem;
  padding: 1.5rem 0 1.5rem 0.875rem; border-bottom: 1px solid var(--line); cursor: pointer; opacity: 0;
  animation: rise 0.55s var(--ease) forwards; animation-delay: calc(var(--i, 0) * 60ms);
  transition: background-color 0.3s var(--ease);
}
.stanza-card::before {
  content: ''; position: absolute; left: 0; top: 1.5rem; bottom: 1.5rem; width: 2px; border-radius: 2px;
  background: var(--accent); transform: scaleY(0); transform-origin: top; transition: transform 0.35s var(--ease);
}
.stanza-card:hover { background: linear-gradient(90deg, var(--bg-hover), transparent 60%); }
.stanza-card.active-practice-stanza { background: linear-gradient(90deg, var(--accent-dim), transparent 70%); }
.stanza-card.active-practice-stanza::before { transform: scaleY(1); }

.stanza-card-header { grid-column: 1; grid-row: 1; display: flex; flex-direction: column; align-items: flex-start; gap: 0.625rem; }
.stanza-badge { padding-top: 0.4375rem; font: 500 0.6875rem var(--font-mono); letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-3); transition: color 0.25s var(--ease); }
.active-practice-stanza .stanza-badge { color: var(--accent); }
.stanza-note-toggle-btn {
  display: inline-flex; align-items: center; gap: 0.375rem; padding: 0.25rem 0.5rem;
  border: 1px solid var(--line); border-radius: var(--r-sm); font-size: 0.75rem; color: var(--text-3);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.stanza-note-toggle-btn:hover { color: var(--accent); border-color: var(--accent-line); }

.stanza-lines { grid-column: 2; grid-row: 1; min-width: 0; }
.stanza-note-box {
  grid-column: 2; grid-row: 2; max-width: 65ch; margin-top: 1rem; padding: 0.75rem 1rem;
  border-left: 2px solid var(--accent-line); border-radius: 0 var(--r-md) var(--r-md) 0;
  background: var(--bg-raised); font-size: 0.875rem; color: var(--text-2);
}
.stanza-note-box strong { color: var(--text); font-weight: 500; }

.lyric-pair { margin-bottom: 1rem; }
.lyric-pair:last-child { margin-bottom: 0; }
.lyric-line-te { font: 500 var(--lyric-font-size)/1.85 var(--font-telugu); letter-spacing: 0; color: var(--text); }
.lyric-line-iast { margin-top: 0.125rem; font-size: calc(var(--lyric-font-size) * 0.72); line-height: 1.55; letter-spacing: 0.005em; color: var(--text-2); }
.stanza-lines em { font-size: 0.875rem; color: var(--text-3); }

.stanza-lines.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 2rem; }
.split-col-iast { padding-left: 2rem; border-left: 1px solid var(--line); }
.stanza-lines.iast .lyric-line-iast { font-size: calc(var(--lyric-font-size) * 0.95); color: var(--text); }
.stanza-lines.split .lyric-line-iast { font-size: calc(var(--lyric-font-size) * 0.82); line-height: 2.05; margin-top: 0; }

/* Empty states: left-aligned, composed */
.stage-placeholder { flex: 1; display: flex; align-items: center; padding: clamp(1.5rem, 6vw, 5rem); }
.placeholder-content { display: flex; flex-direction: column; align-items: flex-start; gap: 1rem; max-width: 30rem; }
.placeholder-icon {
  display: grid; place-items: center; width: 3.25rem; height: 3.25rem; border-radius: 0.875rem;
  background: var(--accent-dim); color: var(--accent); border: 1px solid var(--accent-line);
}
.placeholder-content h2 { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.placeholder-content p { max-width: 42ch; color: var(--text-2); }

.lyrics-empty-card { display: flex; flex-direction: column; align-items: flex-start; gap: 0.75rem; max-width: 34rem; padding: 2rem 0; border-top: 1px solid var(--line); }
.empty-lyrics-icon { color: var(--accent); }
.lyrics-empty-card h3 { font-size: 1.125rem; font-weight: 600; letter-spacing: -0.01em; }
.lyrics-empty-card p { color: var(--text-2); max-width: 46ch; }
.empty-lyrics-actions { display: flex; flex-wrap: wrap; gap: 0.625rem; margin-top: 0.5rem; }

/* --------------------------------------------------------------------------
   8. Practice deck
   -------------------------------------------------------------------------- */
.practice-deck {
  position: relative; z-index: var(--z-bar); flex: none; display: flex; flex-direction: column; gap: 0.75rem;
  padding: 0.75rem clamp(1rem, 3vw, 2rem) calc(0.75rem + env(safe-area-inset-bottom));
  background: var(--bg-deck); -webkit-backdrop-filter: blur(18px) saturate(1.2); backdrop-filter: blur(18px) saturate(1.2);
  border-top: 1px solid var(--line-strong); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.deck-renditions-row { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.renditions-tag { font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-3); white-space: nowrap; }
.renditions-chips-scroll { flex: 1; min-width: 0; display: flex; align-items: center; gap: 0.5rem; overflow-x: auto; scrollbar-width: none; }
.renditions-chips-scroll::-webkit-scrollbar { display: none; }
.empty-renditions-hint { font-size: 0.8125rem; color: var(--text-3); white-space: nowrap; }

.rendition-chip {
  flex: none; display: inline-flex; align-items: center; gap: 0.5rem; height: 2rem; padding: 0 0.25rem 0 0.75rem;
  border: 1px solid var(--line-strong); border-radius: var(--r-pill); background: var(--bg-surface); cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.15s var(--ease);
}
.rendition-chip:hover { background: var(--bg-hover); }
.rendition-chip:active { transform: scale(0.98); }
.rendition-chip.active { border-color: var(--accent-line); background: var(--accent-dim); }
.rendition-chip-type { display: inline-flex; align-items: center; gap: 0.375rem; font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.rendition-chip.active .rendition-chip-type { color: var(--accent); }
.rendition-chip-label { max-width: 11rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.8125rem; }
.rendition-chip-delete-btn { display: grid; place-items: center; width: 1.5rem; height: 1.5rem; border-radius: 50%; color: var(--text-3); transition: background-color 0.2s var(--ease), color 0.2s var(--ease); }
.rendition-chip-delete-btn:hover { background: var(--danger-dim); color: var(--danger); }
.rendition-quick-add-group { display: flex; gap: 0.5rem; flex: none; }

.deck-controls-row { display: grid; grid-template-columns: auto minmax(8rem, 1fr) auto; align-items: center; gap: 1rem 1.5rem; }
.playback-btn-group { display: flex; align-items: center; gap: 0.5rem; }
.play-pause-btn {
  display: grid; place-items: center; width: 2.875rem; height: 2.875rem; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.play-pause-btn:hover { background: var(--accent-hover); }
.play-pause-btn:active { transform: scale(0.94); }

.timeline-scrubber-group { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.time-readout { min-width: 2.75rem; font: 500 0.75rem var(--font-mono); font-variant-numeric: tabular-nums; color: var(--text-2); }
.scrubber-track-container { position: relative; flex: 1; min-width: 0; height: 1.25rem; display: flex; align-items: center; }
.ab-loop-highlight-bar { position: absolute; top: 50%; height: 6px; border-radius: 3px; background: var(--accent); opacity: 0.4; transform: translateY(-50%); pointer-events: none; }
.seek-slider { position: relative; }

.deck-practice-tools { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 0.75rem; }
.speed-control-group {
  display: inline-flex; align-items: center; gap: 0.375rem; height: 2.125rem; padding: 0 0.25rem 0 0.625rem;
  border: 1px solid var(--line-strong); border-radius: var(--r-pill); background: var(--bg-surface); color: var(--text-3);
}
.speed-select { height: 100%; padding-right: 0.25rem; background: transparent; border: 0; font: 500 0.8125rem var(--font-mono); color: var(--text); cursor: pointer; }
.ab-looper-group { display: inline-flex; align-items: center; gap: 0.375rem; }
.loop-btn { font-family: var(--font-mono); }
.loop-mark { color: var(--text-3); }
.loop-btn.active .loop-mark { color: inherit; }

.mic-recorder-group { display: inline-flex; align-items: center; gap: 0.75rem; }
.btn-record {
  height: 2.375rem; padding: 0 1rem; border-radius: var(--r-pill); border: 1px solid var(--line-strong);
  background: var(--bg-surface); color: var(--text);
}
.btn-record:hover { border-color: var(--danger); background: var(--danger-dim); }
.record-dot { width: 0.625rem; height: 0.625rem; border-radius: 50%; background: var(--danger); }
.accompany-check-label { display: inline-flex; align-items: center; gap: 0.375rem; font-size: 0.8125rem; color: var(--text-2); cursor: pointer; }
.accompany-check-label input { accent-color: var(--accent); }
.checkbox-text { display: inline-flex; align-items: center; gap: 0.375rem; }

.deck-live-recording-panel, .deck-take-preview-panel {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 1rem;
  padding: 0.75rem 1rem; border-radius: var(--r-md); animation: rise 0.3s var(--ease);
}
.deck-live-recording-panel { border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent); background: var(--danger-dim); }
.deck-take-preview-panel { border: 1px solid var(--line-strong); background: var(--bg-surface); }
.live-rec-left, .preview-left { display: flex; align-items: center; flex-wrap: wrap; gap: 0.75rem; }
.live-rec-right, .preview-right { display: flex; gap: 0.5rem; }
.live-rec-center, .preview-center { min-width: 0; }
.recording-pulse-ring { position: relative; width: 0.75rem; height: 0.75rem; border-radius: 50%; background: var(--danger); }
.recording-pulse-ring::after { content: ''; position: absolute; inset: 0; border-radius: 50%; background: var(--danger); animation: ring 1.6s var(--ease) infinite; }
.rec-status-tag { font: 600 0.6875rem var(--font-mono); letter-spacing: 0.1em; color: var(--danger); }
.rec-timer-badge { font: 500 0.9375rem var(--font-mono); font-variant-numeric: tabular-nums; }
.waveform-canvas { display: block; width: 100%; height: 2.25rem; }
.take-label-tag { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.take-mini-audio { height: 2rem; max-width: 18rem; }
.take-label-input {
  width: 100%; height: 2.25rem; padding: 0 0.75rem; border-radius: var(--r-md); background: var(--bg-app); border: 1px solid var(--line-strong);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.take-label-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }

/* --------------------------------------------------------------------------
   9. Modals & forms
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: var(--z-modal); display: flex; align-items: center; justify-content: center; padding: 1rem;
  background: var(--scrim); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); animation: fade 0.2s var(--ease);
}
.modal-dialog {
  display: flex; flex-direction: column; width: 100%; max-width: 34rem; max-height: calc(100dvh - 2rem);
  background: var(--bg-surface); border: 1px solid var(--line-strong); border-radius: var(--r-lg);
  box-shadow: var(--shadow-pop), inset 0 1px 0 rgba(255, 255, 255, 0.05); animation: pop 0.35s var(--ease);
}
.modal-dialog > form { display: flex; flex-direction: column; min-height: 0; }
.modal-xl { max-width: 60rem; }
.modal-sm { max-width: 24rem; }

.modal-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 1.25rem 1.5rem 1rem; border-bottom: 1px solid var(--line); }
.modal-title { font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.01em; }
.modal-subtitle { display: block; margin-top: 0.25rem; font-size: 0.8125rem; color: var(--text-3); }
.modal-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.modal-close-btn { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: var(--r-sm); color: var(--text-3); transition: background-color 0.2s var(--ease), color 0.2s var(--ease); }
.modal-close-btn:hover { background: var(--bg-hover); color: var(--text); }
.modal-body { display: flex; flex-direction: column; gap: 1.125rem; padding: 1.25rem 1.5rem; overflow-y: auto; min-height: 0; }
.modal-scrollable-body { flex: 1; }
.modal-footer { display: flex; justify-content: flex-end; gap: 0.625rem; padding: 1rem 1.5rem; border-top: 1px solid var(--line); }

.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.5rem; min-width: 0; }
.form-label { font-size: 0.8125rem; font-weight: 500; color: var(--text-2); }
.form-label.required::after { content: ' *'; color: var(--accent); }
.form-input, .form-textarea {
  width: 100%; padding: 0 0.75rem; border-radius: var(--r-md); background: var(--bg-app); border: 1px solid var(--line-strong);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form-input { height: 2.5rem; }
.form-textarea { padding: 0.625rem 0.75rem; line-height: 1.6; resize: vertical; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-3); }
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.form-input:user-invalid, .form-textarea:user-invalid { border-color: var(--danger); }
.telugu-input { font-family: var(--font-telugu); line-height: 1.8; }
.field-hint, .checkbox-hint { font-size: 0.75rem; color: var(--text-3); }
.form-input-file { font-size: 0.8125rem; color: var(--text-2); }
.form-input-file::file-selector-button {
  height: 2rem; margin-right: 0.75rem; padding: 0 0.75rem; border: 1px solid var(--line-strong); border-radius: var(--r-sm);
  background: var(--bg-raised); color: var(--text); font: 500 0.8125rem var(--font-ui); cursor: pointer;
}
.dialog-explanation { max-width: 60ch; font-size: 0.875rem; color: var(--text-2); }

.optional-section-divider { display: flex; align-items: center; gap: 0.75rem; font-size: 0.6875rem; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-3); }
.optional-section-divider::after { content: ''; flex: 1; height: 1px; background: var(--line); }

.custom-checkbox-row { position: relative; display: flex; align-items: flex-start; gap: 0.75rem; cursor: pointer; }
.custom-checkbox-row input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.checkbox-box {
  position: relative; flex: none; width: 1.125rem; height: 1.125rem; margin-top: 0.125rem; border-radius: 0.3125rem;
  border: 1.5px solid var(--line-strong); background: var(--bg-app); transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.custom-checkbox-row input:checked + .checkbox-box { background: var(--accent); border-color: var(--accent); }
.custom-checkbox-row input:checked + .checkbox-box::after {
  content: ''; position: absolute; left: 0.3125rem; top: 0.125rem; width: 0.3125rem; height: 0.5625rem;
  border: solid var(--accent-ink); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.custom-checkbox-row input:focus-visible + .checkbox-box { outline: 2px solid var(--accent); outline-offset: 2px; }
.checkbox-label-text { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.875rem; }
.checkbox-label-text strong { font-weight: 500; }

.rendition-tab-switcher { display: flex; gap: 1.5rem; padding: 0 1.5rem; border-bottom: 1px solid var(--line); }
.rendition-modal-tab {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-bottom: -1px; padding: 0.875rem 0; font-size: 0.875rem; color: var(--text-3);
  border-bottom: 2px solid transparent; transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.rendition-modal-tab:hover { color: var(--text-2); }
.rendition-modal-tab.active { color: var(--text); border-bottom-color: var(--accent); }
.rendition-tab-content { display: flex; flex-direction: column; min-height: 0; }

.stanza-editor-list { display: flex; flex-direction: column; }
.stanza-editor-item { padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.stanza-editor-item:first-child { padding-top: 0; }
.stanza-item-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.875rem; }
.stanza-type-select { height: 2.125rem; padding: 0 0.625rem; border-radius: var(--r-md); background: var(--bg-app); border: 1px solid var(--line-strong); font-weight: 500; }
.stanza-item-actions { display: flex; gap: 0.25rem; }
.stanza-fields-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.add-stanza-toolbar { padding-top: 1rem; }

/* --------------------------------------------------------------------------
   10. Toasts
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed; top: calc(var(--header-h) + 0.75rem); right: 1rem; z-index: var(--z-toast);
  display: flex; flex-direction: column; gap: 0.5rem; width: min(22rem, calc(100vw - 2rem)); pointer-events: none;
}
.toast {
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.75rem 0.875rem;
  background: var(--bg-raised); border: 1px solid var(--line-strong); border-radius: var(--r-md);
  box-shadow: var(--shadow-pop); font-size: 0.875rem; pointer-events: auto; animation: toast-in 0.4s var(--ease);
}
.toast-icon { display: inline-flex; color: var(--text-3); }
.toast-success .toast-icon { color: var(--accent); }
.toast-error { border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
.toast-error .toast-icon { color: var(--danger); }

/* --------------------------------------------------------------------------
   11. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 68.75rem) {
  .active-song-stage {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto auto minmax(0, 1fr);
    grid-template-areas: 'title' 'rail' 'notes' 'tools' 'lyrics';
    padding: 1.25rem 1rem 0;
  }
  .musical-attributes-bar { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 0 1.5rem; border-top: 0; border-bottom: 1px solid var(--line); margin-bottom: 0.75rem; }
  .meta-pill { flex-direction: row; align-items: center; gap: 0.625rem; padding: 0.5rem 0; border-bottom: 0; }
  .pill-select { width: auto; }
  .pill-btn.notes-pill-btn { margin-top: 0; }
  .lyrics-viewport { padding-right: 0; }
}

@media (max-width: 56rem) {
  .sidebar { position: absolute; z-index: var(--z-overlay); top: 0; bottom: 0; left: 0; transform: translateX(-100%); margin-left: 0 !important; }
  .sidebar.mobile-open { transform: none; box-shadow: var(--shadow-pop); }

  /* Compact deck: transport + scrubber share a row, tools scroll sideways */
  .practice-deck { gap: 0.5rem; padding-top: 0.5rem; padding-bottom: calc(0.5rem + env(safe-area-inset-bottom)); }
  .deck-controls-row { grid-template-columns: auto minmax(0, 1fr); gap: 0.5rem 0.75rem; }
  .step-label { display: none; }
  .icon-circle-btn { width: 2.5rem; padding: 0; justify-content: center; }
  .playback-btn-group { gap: 0.25rem; }
  .play-pause-btn { width: 2.5rem; height: 2.5rem; }
  .time-readout { min-width: 2.25rem; }
  .deck-practice-tools { grid-column: 1 / -1; flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; scrollbar-width: none; padding-bottom: 0.125rem; }
  .deck-practice-tools::-webkit-scrollbar { display: none; }
  .deck-practice-tools > * { flex: none; }
  .rendition-quick-add-group .pill-btn span { display: none; }
  .rendition-quick-add-group .pill-btn { width: 2.125rem; padding: 0; justify-content: center; }
  .deck-live-recording-panel, .deck-take-preview-panel { grid-template-columns: minmax(0, 1fr); }

  .stanza-card { grid-template-columns: minmax(0, 1fr); padding-left: 0.75rem; }
  .stanza-card-header { grid-column: 1; grid-row: 1; flex-direction: row; align-items: center; margin-bottom: 0.75rem; }
  .stanza-badge { padding-top: 0; }
  .stanza-lines { grid-column: 1; grid-row: 2; }
  .stanza-note-box { grid-column: 1; grid-row: 3; }
  .stanza-lines.split { grid-template-columns: minmax(0, 1fr); }
  .split-col-iast { padding-left: 0; border-left: 0; margin-top: 0.75rem; }

  .form-row, .stanza-fields-grid { grid-template-columns: minmax(0, 1fr); }

  /* Reading chrome collapses into swipeable single rows so lyrics own the screen */
  .active-song-stage { padding-top: 0.75rem; }
  .title-and-status-row { align-items: center; padding-bottom: 0.5rem; }
  .song-telugu-title { font-size: 1.25rem; line-height: 1.6; }
  .song-english-title { font-size: 0.8125rem; }
  .song-header-actions .btn span { display: none; }
  .song-header-actions .btn { width: 2.125rem; padding: 0; }
  .musical-attributes-bar { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin-bottom: 0; gap: 0 1.25rem; }
  .musical-attributes-bar::-webkit-scrollbar, .practice-toolbar::-webkit-scrollbar { display: none; }
  .musical-attributes-bar > * { flex: none; }
  .meta-pill { padding: 0.375rem 0; }
  .pill-value { font-size: 0.9375rem; }
  .practice-toolbar { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; scrollbar-width: none; gap: 0.5rem 1.25rem; padding: 0.5rem 0; }
  .practice-toolbar > *, .toolbar-left, .toolbar-right { flex: none; flex-wrap: nowrap; }
  .toolbar-left, .toolbar-right { gap: 0.5rem; }
  .lyric-line-te { line-height: 1.8; }
}

@media (max-width: 45rem) {
  .hide-mobile, .brand-subtitle, .drone-status-text { display: none; }
  .musical-attributes-bar { gap: 0 1rem; }
  .drone-volume-group { display: none; }
  .header-right { gap: 0.5rem; }
  .modal-header, .modal-body, .modal-footer { padding-left: 1rem; padding-right: 1rem; }
  .rendition-tab-switcher { padding: 0 1rem; }
  .renditions-tag { display: none; }
}

@media (pointer: coarse) {
  .btn, .pill-btn, .seg-btn, .filter-tab, .icon-btn-sm { min-height: 2.5rem; }
  .icon-btn-sm { min-width: 2.5rem; }
  .rendition-chip { height: 2.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}


/* ==========================================================================
   SSO Auth & User Identity Styles
   ========================================================================== */

/* --- User Account Profile Chip --- */
.user-profile-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 2.125rem;
  padding: 0 0.625rem 0 0.25rem;
  border-radius: var(--r-pill);
  background: var(--bg-surface);
  border: 1px solid var(--line-strong);
  color: var(--text);
  font-size: 0.8125rem;
  line-height: 1;
  box-sizing: border-box;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.user-profile-chip:hover {
  background: var(--bg-raised);
}

.user-profile-chip .user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--line-strong);
}

.user-profile-chip .user-avatar-fallback,
.user-profile-chip .user-initial {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  flex-shrink: 0;
  border: 1px solid var(--accent-line);
}

.user-profile-chip .user-name {
  font-weight: 500;
  color: var(--text);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-profile-chip .sign-out-btn,
.user-profile-chip .user-signout-link {
  color: var(--text-3);
  font-size: 0.75rem;
  text-decoration: none;
  padding-left: 0.375rem;
  border-left: 1px solid var(--line-strong);
  transition: color 0.15s ease;
  white-space: nowrap;
  cursor: pointer;
}

.user-profile-chip .sign-out-btn:hover,
.user-profile-chip .user-signout-link:hover {
  color: var(--danger);
}

@media (max-width: 640px) {
  .user-profile-chip .user-name {
    display: none;
  }
  .user-profile-chip {
    padding-right: 0.5rem;
  }
}

/* --- Login Page Styles (Dark Canvas #0f172a) --- */
body.login-page {
  background-color: #0f172a;
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(209, 154, 75, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 100%, rgba(18, 18, 20, 0.95) 0%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  padding: 1.5rem;
  box-sizing: border-box;
}

.login-canvas {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.login-card {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  padding: 2.5rem 2rem 2rem;
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-sizing: border-box;
}

.login-brand-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.75rem;
  width: 100%;
}

.login-emblem {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--r-md);
  margin-bottom: 1rem;
  background: var(--accent-dim);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  display: grid;
  place-items: center;
  box-shadow: 0 4px 12px rgba(209, 154, 75, 0.15);
}

.login-brand-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
  line-height: 1.25;
}

.login-brand-subtitle {
  font-size: 0.8125rem;
  color: var(--text-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.375rem;
  margin-bottom: 0;
}

.login-warning-banner {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  margin-bottom: 1.5rem;
  background: var(--danger-dim);
  border: 1px solid rgba(223, 91, 95, 0.35);
  border-radius: var(--r-md);
  color: var(--danger);
  font-size: 0.84rem;
  line-height: 1.45;
  text-align: left;
  box-sizing: border-box;
}

.login-warning-icon {
  flex-shrink: 0;
  margin-top: 0.125rem;
  color: var(--danger);
}

.login-warning-body {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  min-width: 0;
  flex: 1;
}

.login-warning-text {
  color: #fca5a5;
  word-break: break-word;
}

.login-retry-btn {
  display: inline-block;
  color: var(--text);
  font-weight: 600;
  font-size: 0.8125rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color 0.15s ease;
}

.login-retry-btn:hover {
  color: #ffffff;
}

.login-info-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.login-message {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.55;
  margin: 0 0 1.75rem;
}

.google-signin-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  height: 2.875rem;
  background: #ffffff;
  color: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--r-md);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.15s var(--ease);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25), 0 1px 2px rgba(0, 0, 0, 0.15);
  box-sizing: border-box;
  user-select: none;
}

.google-signin-btn:hover {
  background: #f8fafc;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  transform: translateY(-1px);
}

.google-signin-btn:active {
  background: #f1f5f9;
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.google-signin-btn .google-icon {
  flex-shrink: 0;
  display: block;
}

.google-btn-text {
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #1e293b;
}

.login-footer {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.02em;
  line-height: 1.4;
  width: 100%;
  text-align: center;
}

.login-footer-text {
  margin: 0;
}

@media (max-width: 480px) {
  .login-card {
    padding: 2rem 1.25rem 1.5rem;
  }
  .login-brand-title {
    font-size: 1.35rem;
  }
}