/* ── Design Tokens ─────────────────────────────── */
:root {
  --bg: #090d16;
  --card-bg: rgba(18, 25, 41, 0.85);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-glow: rgba(245, 158, 11, 0.3);
  --amber: #f59e0b;
  --amber-glow: rgba(245, 158, 11, 0.25);
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.25);
  --emerald: #10b981;
  --purple: #c084fc;
  --pink: #ec4899;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --red: #ef4444;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
h1, h2, h3, h4, h5, h6 { font-size: inherit; font-weight: inherit; margin: 0; padding: 0; }

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 10% 15%, rgba(245, 158, 11, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 90% 85%, rgba(6, 182, 212, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(192, 132, 252, 0.04) 0%, transparent 60%);
  color: var(--text-main);
  min-height: 100vh;
  padding-bottom: 2rem;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Scrollbars */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(0,0,0,0.2); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.3); }

.app-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ── Top Ad Slot ───────────────────────────────── */
.ad-leaderboard {
  width: 100%;
  min-height: 60px;
  background: rgba(255,255,255,0.02);
  border: 1px dashed rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.25);
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.ad-box {
  width: 100%;
  min-height: 200px;
  background: rgba(255,255,255,0.02);
  border: 1px dashed rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.25);
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.donate-section {
  width: 100%;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(192,132,252,0.08));
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.donate-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.donate-text strong {
  color: var(--amber);
}
.donate-btn {
  background: linear-gradient(135deg, var(--amber), #d97706);
  color: #000;
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}
.donate-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245,158,11,0.4);
}

/* ── Navbar ────────────────────────────────────── */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  gap: 1rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; color: inherit; }
.brand-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--amber), var(--cyan));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  box-shadow: 0 4px 14px rgba(6,182,212,0.3);
  flex-shrink: 0;
}
.brand-title { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; background: linear-gradient(135deg, #fff, #d1d5db); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.brand-sub { font-size: 0.72rem; color: var(--text-muted); }

/* Nav Tabs */
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0,0,0,0.3);
  padding: 0.25rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
}
.nav-tab {
  padding: 0.45rem 0.95rem;
  border-radius: 9px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.nav-tab:hover { color: var(--text-main); background: rgba(255,255,255,0.05); }
.nav-tab.active { background: rgba(245, 158, 11, 0.18); color: var(--amber); border: 1px solid rgba(245, 158, 11, 0.3); }

.nav-actions { display: flex; align-items: center; gap: 0.5rem; }

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border-radius: 10px;
  border: 1px solid transparent;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--emerald), #059669); color: #fff; box-shadow: 0 4px 14px rgba(16,185,129,0.3); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(16,185,129,0.45); }
.btn-sec { background: rgba(255,255,255,0.06); color: var(--text-main); border-color: var(--card-border); }
.btn-sec:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.2); }
.btn-amber { background: rgba(245,158,11,0.15); color: var(--amber); border-color: rgba(245,158,11,0.35); }
.btn-amber:hover { background: rgba(245,158,11,0.25); border-color: var(--amber); }
.btn-purple { background: rgba(192,132,252,0.18); color: var(--purple); border-color: rgba(192,132,252,0.35); }
.btn-purple:hover { background: rgba(192,132,252,0.3); border-color: var(--purple); }
.btn-danger { background: rgba(239,68,68,0.18); color: var(--red); border-color: rgba(239,68,68,0.35); }
.btn-danger:hover { background: rgba(239,68,68,0.3); }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.78rem; }
.btn-icon-only { padding: 0.45rem; border-radius: 10px; font-size: 1rem; }

/* ── Main View Sections ────────────────────────── */
.view-section { display: none; flex-direction: column; gap: 1.25rem; }
.view-section.active { display: flex; }

/* ── Hero Song Bar & Player Deck ───────────────── */
.player-deck {
  background: linear-gradient(135deg, rgba(20,28,45,0.95), rgba(13,18,30,0.95));
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  position: relative;
  overflow: hidden;
}
.player-deck::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--cyan), var(--purple));
}

.song-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.song-title-wrap { display: flex; flex-direction: column; gap: 0.2rem; }
.song-title { font-size: 1.45rem; font-weight: 800; letter-spacing: -0.01em; color: #fff; }
.song-artist { font-size: 0.85rem; color: var(--amber); font-weight: 500; }
.song-badge {
  font-size: 0.72rem;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  background: rgba(245,158,11,0.15);
  color: var(--amber);
  border: 1px solid rgba(245,158,11,0.3);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Controls Row */
.controls-main-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  background: rgba(0,0,0,0.3);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.06);
}
.playback-group { display: flex; align-items: center; gap: 0.5rem; }

.practice-group { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.tune-item { display: flex; align-items: center; gap: 0.55rem; }
.tune-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.tune-val { font-size: 0.85rem; font-weight: 700; color: var(--amber); min-width: 55px; }
input[type="range"] {
  width: 100px; height: 5px; cursor: pointer; accent-color: var(--amber);
  background: rgba(255,255,255,0.15); border-radius: 3px; outline: none;
}

.progress-container { display: flex; flex-direction: column; gap: 0.35rem; width: 100%; }
.progress-info { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--text-muted); font-weight: 600; }
.progress-bar-bg { height: 8px; background: rgba(0,0,0,0.5); border-radius: 10px; overflow: hidden; border: 1px solid rgba(255,255,255,0.06); }
.progress-bar-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--amber), var(--cyan)); transition: width 0.15s linear; }

.part-nav { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.2rem; }
.part-chip {
  background: rgba(255,255,255,0.04); border: 1px solid var(--card-border); border-radius: 10px;
  padding: 0.4rem 0.75rem; cursor: pointer; transition: var(--transition);
}
.part-chip:hover { background: rgba(6,182,212,0.15); border-color: rgba(6,182,212,0.4); }
.part-chip.active { background: rgba(245,158,11,0.18); border-color: var(--amber); box-shadow: 0 0 12px rgba(245,158,11,0.25); }
.part-chip-title { font-size: 0.78rem; font-weight: 700; color: var(--text-main); }
.part-chip-sub { font-size: 0.65rem; color: var(--text-muted); margin-top: 0.1rem; }

/* ── Split Dual Practice Layout ────────────────── */
.workspace-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.25rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.3rem;
  backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.card-title {
  font-size: 0.95rem; font-weight: 700;
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.5rem; margin-bottom: 0.9rem; color: #fff; flex-wrap: wrap;
}

.chord-deck {
  display: flex; align-items: center; gap: 1.2rem;
  background: rgba(0,0,0,0.35); border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md); padding: 0.9rem 1.1rem;
}
.chord-svg-box {
  flex-shrink: 0; background: rgba(0,0,0,0.5); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px; padding: 0.5rem; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
}
.chord-svg-box svg { display: block; }
.chord-details { flex: 1; }
.chord-name-display { font-size: 1.5rem; font-weight: 800; color: var(--amber); letter-spacing: -0.02em; }
.chord-notes-display { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.25rem; }

.vis-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; margin-top: 0.9rem; }
.vis-box {
  height: 115px; background: rgba(0,0,0,0.5); border-radius: var(--radius-md);
  overflow: hidden; border: 1px solid var(--card-border); position: relative;
}
.vis-tag {
  position: absolute; top: 6px; right: 8px;
  font-size: 0.68rem; font-weight: 700; padding: 0.15rem 0.45rem;
  border-radius: 6px; background: rgba(0,0,0,0.7); z-index: 5;
}
canvas { width: 100%; height: 100%; display: block; }

.track-strip {
  display: flex; gap: 1rem; font-size: 0.82rem; align-items: center;
  background: rgba(0,0,0,0.25); border-radius: 10px; padding: 0.55rem 0.85rem;
  border: 1px solid rgba(255,255,255,0.04); margin-top: 0.9rem;
}

/* ── Karaoke Lyrics Stage ──────────────────────── */
.karaoke-card {
  background: linear-gradient(180deg, rgba(16,24,42,0.9), rgba(6,10,20,0.95));
  border: 1px solid rgba(245, 158, 11, 0.3);
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.08);
  border-radius: var(--radius-lg); padding: 1.1rem;
}
.karaoke-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.8rem; font-size: 0.8rem; font-weight: 700; color: var(--amber);
  text-transform: uppercase; letter-spacing: 1px;
}
.karaoke-badge {
  font-size: 0.68rem; font-weight: 700; color: var(--emerald);
  background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3);
  border-radius: 20px; padding: 0.2rem 0.6rem;
  display: flex; align-items: center; gap: 0.35rem;
}
.karaoke-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--emerald);
  box-shadow: 0 0 8px var(--emerald); animation: pulseDot 1.2s infinite;
}
@keyframes pulseDot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.3;transform:scale(.8)} }

.karaoke-stage {
  height: 290px; overflow-y: auto; scroll-behavior: smooth;
  display: flex; flex-direction: column; gap: 0.5rem; padding-right: 0.3rem;
}
.karaoke-line {
  padding: 0.55rem 0.8rem; border-radius: 10px; font-size: 0.92rem; font-weight: 500;
  color: rgba(255,255,255,0.4); transition: var(--transition);
  border: 1px solid transparent; line-height: 1.45;
}
.karaoke-line.active {
  color: var(--amber); background: rgba(245,158,11,0.14);
  border-color: rgba(245,158,11,0.4); font-size: 1.05rem; font-weight: 700;
  box-shadow: 0 4px 16px rgba(245,158,11,0.15); transform: scale(1.01);
}
.karaoke-line.passed { color: rgba(255,255,255,0.2); font-size: 0.85rem; }
.karaoke-line.next   { color: #38bdf8; font-weight: 600; opacity: 0.85; }
.karaoke-line.instrumental {
  color: rgba(192,132,252,0.7) !important; font-style: italic; font-size: 0.85rem;
  background: transparent !important; border: 1px dashed rgba(192,132,252,0.3) !important;
}
.karaoke-line.instrumental.active { color: #c084fc !important; border-color: rgba(192,132,252,0.6) !important; background: rgba(192,132,252,0.12) !important; }
.kword { display: inline-block; padding: 0.08rem 0.22rem; border-radius: 5px; transition: all 0.14s ease-out; margin: 0 0.04rem; color: rgba(255,255,255,0.4); }
.karaoke-line.active .kword { color: #fde047; }
.kword.kw-active { color: #090d16 !important; background: var(--amber) !important; box-shadow: 0 0 14px rgba(245,158,11,0.8); transform: scale(1.1) translateY(-1px); font-weight: 800; }
.kword.kw-passed { color: #38bdf8 !important; font-weight: 700; }

.karaoke-prep-banner {
  background: linear-gradient(135deg,rgba(239,68,68,0.2),rgba(245,158,11,0.25));
  border: 1px dashed rgba(245,158,11,0.6); border-radius: 10px;
  padding: 0.5rem 0.8rem; margin-bottom: 0.6rem; text-align: center;
  font-size: 0.85rem; font-weight: 800; color: var(--amber); letter-spacing: 1px;
  display: none; animation: prepPulse 0.8s infinite alternate;
}
@keyframes prepPulse { 0%{transform:scale(.98);opacity:.85} 100%{transform:scale(1.02);opacity:1} }

/* ── Studio Creator View ───────────────────────── */
.creator-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.8rem; }
label.field-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; display: block; margin-bottom: 0.3rem; text-transform: uppercase; letter-spacing: 0.5px; }
input.field, select.field, textarea.field {
  width: 100%; background: rgba(0,0,0,0.4); border: 1px solid var(--card-border);
  border-radius: var(--radius-sm); padding: 0.5rem 0.75rem; color: var(--text-main);
  font-family: inherit; font-size: 0.88rem; outline: none; transition: var(--transition);
}
textarea.field { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; resize: vertical; }
input.field:focus, select.field:focus, textarea.field:focus { border-color: rgba(245,158,11,0.5); box-shadow: 0 0 10px rgba(245,158,11,0.15); }

/* Studio Subtabs */
.studio-subtabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; border-bottom: 1px solid var(--card-border); padding-bottom: 0.5rem; }
.studio-subtab {
  background: transparent; border: none; color: var(--text-muted);
  font-family: inherit; font-size: 0.85rem; font-weight: 600; padding: 0.4rem 0.8rem;
  cursor: pointer; border-radius: 8px; transition: var(--transition);
}
.studio-subtab.active { background: rgba(245,158,11,0.15); color: var(--amber); }

/* Part Tabs in Studio */
.part-tabs-bar { display: flex; gap: 0.4rem; overflow-x: auto; padding-bottom: 0.4rem; align-items: center; }
.part-tab-chip {
  background: rgba(255,255,255,0.05); border: 1px solid var(--card-border);
  border-radius: 8px; padding: 0.35rem 0.75rem; font-size: 0.78rem; font-weight: 600;
  cursor: pointer; transition: var(--transition); white-space: nowrap; color: var(--text-muted);
}
.part-tab-chip.active { background: rgba(245,158,11,0.18); border-color: var(--amber); color: var(--amber); }

/* Rich Timeline Cards */
.timeline-wrap { overflow-x: auto; padding-bottom: 0.55rem; }
.timeline { display: flex; gap: 0.65rem; min-width: max-content; align-items: stretch; }
.beat-card {
  background: rgba(255,255,255,0.03); border: 1px solid var(--card-border);
  border-radius: var(--radius-md); padding: 0.75rem 0.9rem; display: flex; flex-direction: column;
  gap: 0.4rem; cursor: pointer; transition: var(--transition); min-width: 170px; max-width: 220px;
}
.beat-card-spacer { flex: 1; }
.beat-card:hover { border-color: rgba(245,158,11,0.4); background: rgba(245,158,11,0.06); }
.beat-card.auditioned { border-color: var(--emerald) !important; background: rgba(16,185,129,0.15) !important; }
.beat-card-header { display: flex; justify-content: space-between; align-items: center; font-size: 0.68rem; color: var(--text-muted); font-weight: 700; }
.beat-dur-badge { background: rgba(6,182,212,0.15); color: var(--cyan); border: 1px solid rgba(6,182,212,0.3); border-radius: 4px; padding: 0.1rem 0.35rem; font-size: 0.65rem; }
.beat-gtr1-line { font-size: 0.88rem; font-weight: 800; color: var(--amber); display: flex; align-items: center; gap: 0.3rem; }
.beat-gtr2-line { font-size: 0.75rem; color: #38bdf8; font-weight: 600; background: rgba(56,189,248,0.1); border-radius: 4px; padding: 0.2rem 0.4rem; border: 1px solid rgba(56,189,248,0.25); }
.beat-lyric-line { font-size: 0.68rem; color: var(--text-muted); font-style: italic; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.builder-guide-box {
  background: rgba(0,0,0,0.4); border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md); padding: 0.8rem 1rem; margin-top: 0.8rem;
}
.guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.75rem; margin-top: 0.4rem; }
.guide-item { font-size: 0.75rem; color: var(--text-muted); line-height: 1.4; }
.guide-item strong { color: var(--amber); }

.saved-chip {
  display: flex; align-items: center; gap: 0.5rem;
  background: rgba(255,255,255,0.05); border: 1px solid var(--card-border);
  border-radius: 8px; padding: 0.4rem 0.7rem; font-size: 0.82rem;
}

.template-notice {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.9rem;
  font-size: 0.82rem;
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

/* ── Modals & Drawers ──────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.75); backdrop-filter: blur(8px);
  z-index: 100; display: none; align-items: center; justify-content: center; padding: 1rem;
  overflow-y: auto; overscroll-behavior: contain;
}
body.modal-open { overflow: hidden; }
.modal-backdrop.open { display: flex; }
.modal-card {
  background: #0f172a; border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg); padding: 1.5rem; max-width: 520px; width: 100%;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6); display: flex; flex-direction: column; gap: 1rem;
}
.modal-header { display: flex; justify-content: space-between; align-items: center; }
.modal-title { font-size: 1.1rem; font-weight: 700; color: #fff; }

.library-grid { display: grid; grid-template-columns: 1fr; gap: 0.65rem; max-height: 340px; overflow-y: auto; overscroll-behavior: contain; }
.library-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1rem; background: rgba(255,255,255,0.04); border: 1px solid var(--card-border);
  border-radius: var(--radius-md); cursor: pointer; transition: var(--transition);
}
.library-item:hover { background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.4); }
.library-item.active { background: rgba(245,158,11,0.18); border-color: var(--amber); }

.log-box {
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  background: rgba(0,0,0,0.6); border-radius: var(--radius-sm); padding: 0.75rem;
  height: 140px; overflow-y: auto; border: 1px solid var(--card-border);
}
.log-entry { margin-bottom: 0.2rem; }
.log-info { color: #60a5fa; }
.log-ok   { color: #34d399; }
.log-warn { color: #fbbf24; }

/* ── Responsive ────────────────────────────────── */
@media (max-width: 900px) {
  .workspace-grid { grid-template-columns: 1fr; }
  .vis-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .app-container { padding: 0.75rem; gap: 0.85rem; }
  .navbar { flex-direction: column; align-items: stretch; padding: 0.6rem 0.75rem; }
  .nav-tabs { width: 100%; justify-content: center; }
  .nav-tab { padding: 0.4rem 0.6rem; font-size: 0.75rem; white-space: nowrap; }
  .nav-actions { justify-content: center; }
  .controls-main-bar { flex-direction: column; align-items: stretch; padding: 0.6rem 0.75rem; }
  .playback-group { justify-content: center; flex-wrap: wrap; }
  .playback-group .btn { flex: 1 1 auto; min-width: 0; }
  .practice-group { justify-content: space-between; flex-wrap: wrap; }
  .song-title { font-size: 1.15rem; }
  .brand-title { font-size: 1.05rem; }
  .brand-sub { font-size: 0.65rem; }
  .vis-grid { grid-template-columns: 1fr; }
  .track-strip { flex-direction: column; align-items: flex-start; gap: 0.2rem; }
  .track-strip > div { margin-left: 0 !important; }

  /* Studio mobile fixes */
  .card-title { flex-direction: column; align-items: flex-start; }
  .card-title > div { width: 100%; flex-direction: column; }
  .card-title > div select, .card-title > div .btn { width: 100%; }
  .card-title > div select { min-width: 0 !important; }
  .studio-subtabs { flex-wrap: wrap; }
  .studio-subtab { flex: 1 1 100%; text-align: center; }
  .creator-grid { grid-template-columns: 1fr 1fr !important; }
  .part-details-grid { grid-template-columns: 1fr 1fr !important; }
  .step-builder-grid { grid-template-columns: 1fr 1fr !important; }
  .creator-actions-row { flex-direction: column; }
  .creator-actions-row .btn { width: 100%; }
  .part-header-row { flex-direction: column; align-items: flex-start !important; gap: 0.5rem; }
  .part-header-row .btn { width: 100%; }
}

/* ── Practice Focus View ───────────────────────────── */
.focus-stats-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 1rem;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.focus-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}
.focus-stat-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.focus-stat-value {
  font-size: 0.95rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-main);
}
.focus-stat-value.timer { color: var(--cyan); }
.focus-stat-value.rep { color: var(--amber); }
.focus-stat-value.bpm { color: var(--purple); cursor: pointer; }
.focus-stat-value.streak { color: var(--emerald); }
.focus-bpm-edit {
  width: 52px;
  background: rgba(192,132,252,0.15);
  border: 1px solid rgba(192,132,252,0.4);
  border-radius: 4px;
  color: var(--purple);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  padding: 0.15rem 0.3rem;
}
.focus-bpm-edit:focus { outline: none; border-color: var(--purple); }
.focus-tip {
  font-size: 0.65rem;
  color: var(--text-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  text-align: center;
}
.focus-tip strong { color: var(--amber); }

.focus-guitars-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.focus-guitar-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.focus-guitar-header {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  text-align: center;
}
.focus-guitar-header.g1 { background: rgba(245,158,11,0.15); color: var(--amber); border: 1px solid rgba(245,158,11,0.3); }
.focus-guitar-header.g2 { background: rgba(6,182,212,0.15); color: var(--cyan); border: 1px solid rgba(6,182,212,0.3); }

.focus-current {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 0.4rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  min-height: 120px;
}
.focus-current-svg { margin-bottom: 0.3rem; }
.focus-current-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  text-align: center;
}
.focus-current-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.1rem;
}

.focus-section-label {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
  padding-left: 0.2rem;
}

.focus-next-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}
.focus-preview-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}
.focus-preview-card.chord { border-left: 3px solid var(--amber); }
.focus-preview-card.note { border-left: 3px solid var(--cyan); }
.focus-preview-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-main);
}
.focus-preview-sub {
  font-size: 0.55rem;
  color: var(--text-muted);
}

.focus-then-queue {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
  overflow-x: auto;
  min-height: 28px;
}
.focus-then-item {
  font-size: 0.6rem;
  padding: 0.15rem 0.35rem;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  white-space: nowrap;
}
.focus-then-item.chord { color: var(--amber); }
.focus-then-item.note { color: var(--cyan); }

.focus-now-bar {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
}
.focus-now-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
  font-size: 0.72rem;
}
.focus-now-step { color: var(--cyan); font-weight: 600; }
.focus-now-pct { color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }
.focus-progress-bg {
  width: 100%;
  height: 5px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}
.focus-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber), var(--cyan));
  border-radius: 3px;
  transition: width 0.15s ease;
}

.focus-lyrics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}
.focus-lyrics-controls {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.focus-jump-select {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.65rem;
  padding: 0.2rem 0.4rem;
  cursor: pointer;
  max-width: 140px;
}
.focus-jump-select:focus { outline: none; border-color: var(--cyan); }
.focus-lyrics {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  min-height: 40px;
  max-height: 80px;
  overflow-y: auto;
}
.focus-lyrics-line {
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--text-muted);
}
.focus-lyrics-line.active { color: var(--text-main); font-weight: 600; }
.focus-lyrics-line.passed { color: var(--text-dim); }
.focus-lyrics-line .kword { transition: color 0.15s; }
.focus-lyrics-line .kw-active { color: var(--amber); font-weight: 700; }
.focus-lyrics-line .kw-passed { color: var(--text-dim); }

@media (max-width: 700px) {
  .focus-guitars-row { grid-template-columns: 1fr; }
  .focus-next-cards { grid-template-columns: 1fr 1fr; }
  .focus-stats-bar { justify-content: space-around; }
  .focus-stat { min-width: 50px; }
}