:root {
  --bg:#0c0b09;
  --bg2:#111009;
  --surface:#181610;
  --surface2:#1e1c14;
  --border:rgba(255,255,255,0.07);
  --border2:rgba(255,255,255,0.04);
  --text:#ede8df;
  --text-muted:#b0a890;
  --text-dim:#645e50;
  --gold:#c8a45a;
  --gold-light:#e2c47e;
  --gold-dim:rgba(200,164,90,0.10);
  --blue:#7ba8d4;
  --blue-light:#a8ccee;
  --ease:cubic-bezier(0.22,1,0.36,1);
  --sidebar-w:280px;
}

.site-nav {
  position:fixed;
  top:0;
  right:0;
  left:0;
  z-index:200;
  background:rgba(12,11,9,0.95);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
  height:56px;
  display:flex;
  align-items:center;
}

.nav-inner {
  width:100%;
  padding:0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.nav-right {
  display:flex;
  align-items:center;
  gap:16px;
  min-width:0;
  flex:1;
}

.nav-logo {
  font-size:1.15rem;
  font-weight:900;
  color:var(--gold-light);
  flex-shrink:0;
}

.nav-links {
  display:flex;
  gap:2px;
  flex-shrink:0;
}

.nav-links a {
  font-size:0.8rem;
  color:var(--text-dim);
  padding:5px 10px;
  border-radius:7px;
  font-weight:600;
  transition:all .2s;
}

.nav-links a:hover {
  color:var(--text-muted);
  background:var(--surface);
}

.nav-links a.active {
  color:var(--gold);
  background:var(--gold-dim);
}

.nav-breadcrumb {
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.78rem;
  color:var(--text-dim);
  padding:6px 12px;
  border-radius:999px;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border2);
  min-width:0;
}

.nav-breadcrumb a,
.nav-breadcrumb span {
  display:inline-flex;
  align-items:center;
}

.nav-breadcrumb a:hover {
  color:var(--gold);
}

.nav-breadcrumb .sep {
  color:var(--border);
}

.nav-breadcrumb .current {
  color:var(--gold-light);
  font-weight:800;
}

.nav-actions {
  display:flex;
  align-items:center;
  gap:10px;
}

.mobile-toggle {
  display:none;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  border:1px solid var(--border);
  border-radius:8px;
  background:var(--surface);
  color:var(--text-muted);
  font-family:inherit;
  font-size:0.8rem;
  font-weight:700;
  cursor:pointer;
}

.shell {
  display:flex;
  padding-top:56px;
  min-height:100vh;
}

.sidebar {
  position:fixed;
  top:56px;
  right:0;
  width:var(--sidebar-w);
  height:calc(100vh - 56px);
  overflow-y:auto;
  border-left:1px solid var(--border);
  background:var(--bg2);
  display:flex;
  flex-direction:column;
  scrollbar-width:thin;
  scrollbar-color:var(--border) transparent;
}

.sidebar::-webkit-scrollbar { width:4px; }
.sidebar::-webkit-scrollbar-thumb {
  background:var(--border);
  border-radius:4px;
}

.sidebar-header {
  padding:20px 18px 14px;
  border-bottom:1px solid var(--border);
  flex-shrink:0;
}

.sidebar-family-label {
  font-size:0.66rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:700;
  margin-bottom:4px;
}

.sidebar-family-label-spaced {
  margin-top:12px;
}

.family-switcher {
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:8px;
}

.family-switch-btn {
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  color:var(--text-dim);
  border-radius:999px;
  padding:4px 10px;
  font-family:inherit;
  font-size:.72rem;
  font-weight:700;
  cursor:pointer;
  transition:all .2s ease;
}

.family-switch-btn:hover {
  color:var(--text-muted);
  border-color:rgba(200,164,90,.25);
}

.family-switch-btn.active {
  color:var(--gold-light);
  background:rgba(200,164,90,.10);
  border-color:rgba(200,164,90,.35);
}

.sidebar-family-name {
  font-size:1.1rem;
  font-weight:900;
}

.sidebar-family-sub {
  font-size:0.75rem;
  color:var(--text-dim);
  margin-top:2px;
}

.sidebar-list {
  list-style:none;
  padding:10px 0;
  flex:1;
}

.sidebar-item {
  display:block;
  padding:0 10px;
  margin-bottom:2px;
}

.sidebar-btn {
  width:100%;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border-radius:10px;
  border:none;
  background:none;
  color:var(--text-muted);
  font-family:inherit;
  font-size:0.9rem;
  font-weight:600;
  cursor:pointer;
  text-align:right;
  transition:all .25s var(--ease);
  position:relative;
}

.sidebar-btn:hover {
  background:var(--surface);
  color:var(--text);
}

.sidebar-btn.active {
  background:var(--gold-dim);
  color:var(--gold-light);
  font-weight:800;
}

.sidebar-btn.active::before {
  content:'';
  position:absolute;
  right:0;
  top:20%;
  height:60%;
  width:3px;
  background:var(--gold);
  border-radius:2px 0 0 2px;
}

.sidebar-dot {
  width:7px;
  height:7px;
  border-radius:50%;
  background:currentColor;
  flex-shrink:0;
  opacity:0.5;
  transition:opacity .2s;
}

.sidebar-btn.active .sidebar-dot { opacity:1; }

.sidebar-btn.main-maqam {
  color:var(--gold);
}

.sidebar-btn.main-maqam .sidebar-dot {
  background:var(--gold);
}

.sidebar-main-tag {
  font-size:0.6rem;
  letter-spacing:0.08em;
  background:var(--gold-dim);
  color:var(--gold);
  border:1px solid rgba(200,164,90,0.2);
  padding:2px 6px;
  border-radius:4px;
  margin-right:auto;
  font-weight:800;
}

.main {
  margin-right:var(--sidebar-w);
  flex:1;
  min-height:calc(100vh - 56px);
  overflow-y:auto;
}

.maqam-hero {
  padding:34px 5% 28px;
  border-bottom:1px solid var(--border);
  position:relative;
  overflow:hidden;
  background:linear-gradient(160deg,var(--bg2) 0%,var(--bg) 100%);
}

.maqam-hero::after {
  content:attr(data-name);
  position:absolute;
  left:-1%;
  top:50%;
  transform:translateY(-50%);
  font-size:clamp(6rem,16vw,13rem);
  font-weight:900;
  color:rgba(200,164,90,0.04);
  line-height:1;
  pointer-events:none;
  user-select:none;
}

.maqam-hero-inner {
  position:relative;
  max-width:980px;
}

.maqam-name-wrap {
  display:flex;
  align-items:baseline;
  gap:14px;
  margin-bottom:8px;
  flex-wrap:wrap;
}

.maqam-name {
  font-size:clamp(2.2rem,5vw,3.6rem);
  font-weight:900;
  color:var(--gold-light);
  letter-spacing:-0.03em;
  line-height:1;
}

.maqam-latin {
  font-size:1rem;
  color:var(--text-dim);
  font-style:italic;
  font-weight:400;
}

.maqam-desc {
  color:var(--text-muted);
  font-size:1rem;
  line-height:1.85;
  max-width:760px;
}

.maqam-body {
  padding:28px 10% 90px;
  max-width:1600px;
}

.sec-title {
  font-size:0.72rem;
  letter-spacing:0.13em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:800;
  margin-bottom:14px;
}

.staff-scale-box {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.018) 0%, rgba(255,255,255,0.008) 100%),
    #141008;
  border:1px solid rgba(200,164,90,0.12);
  border-radius:22px;
  padding:28px 26px 24px;
  margin-bottom:28px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.02),
    0 18px 38px rgba(0,0,0,0.30);
}

.staff-scale-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:20px;
}

.staff-scale-title {
  font-size:0.94rem;
  font-weight:800;
  color:var(--text-muted);
}

.tonic-selector {
  display:flex;
  gap:6px;
  flex-wrap:wrap;
}

.tonic-btn {
  padding:6px 14px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.08);
  background:#191409;
  color:var(--text-dim);
  font-family:inherit;
  font-size:0.82rem;
  font-weight:700;
  cursor:pointer;
  transition:all .2s;
}

.tonic-btn:hover {
  border-color:rgba(200,164,90,.3);
  color:var(--text-muted);
  background:#1d170a;
}

.tonic-btn.active {
  background:rgba(200,164,90,.12);
  border-color:rgba(200,164,90,.45);
  color:var(--gold-light);
  box-shadow:0 0 0 1px rgba(200,164,90,0.08) inset;
}

.staff-wrap {
  width:100%;
  overflow-x:auto;
  background:
    radial-gradient(circle at top, rgba(200,164,90,0.06), transparent 42%),
    #0f0b05;
  border:1px solid rgba(200,164,90,0.10);
  border-radius:14px;
  padding:20px 8px 14px;
}

.staff-svg {
  display:block;
  width:100%;
  min-width:760px;
  overflow:visible;
}

.note-btn {
  cursor:pointer;
}

.note-keys-row {
  display:flex;
  gap:7px;
  margin-top:16px;
  direction:ltr;
}

.note-key {
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  cursor:pointer;
  user-select:none;
}

.note-key-face {
  width:100%;
  min-height:66px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  border:1.5px solid var(--border);
  background:#181209;
  font-size:.84rem;
  font-weight:700;
  color:var(--text-muted);
  transition:all .2s var(--ease);
  padding:6px 4px;
  gap:1px;
}

.note-key-face.note-key-face-colored {
  min-height:58px;
  border-width:1.5px;
}

.note-key-face .acc {
  font-size:.58rem;
  color:var(--text-dim);
  line-height:1;
}

.note-key:hover .note-key-face {
  transform:translateY(-4px);
  box-shadow:0 8px 20px rgba(0,0,0,.4);
}

.note-key.active .note-key-face {
  background:rgba(200,164,90,.15);
  border-color:rgba(200,164,90,.6);
  color:var(--gold-light);
  transform:translateY(-5px);
  box-shadow:0 10px 24px rgba(200,164,90,.2);
}

.note-key.is-tonic .note-key-face {
  background:rgba(200,164,90,.14);
  border-color:var(--gold);
  color:var(--gold-light);
  font-weight:900;
}

.playbar {
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,0.06);
}

.play-btn {
  display:flex;
  align-items:center;
  gap:7px;
  padding:8px 16px;
  border-radius:10px;
  border:1px solid rgba(200,164,90,.3);
  background:var(--gold-dim);
  color:var(--gold);
  font-family:inherit;
  font-size:.82rem;
  font-weight:800;
  cursor:pointer;
  transition:all .2s;
}

.play-btn:hover {
  background:rgba(200,164,90,.2);
}

.play-btn.is-playing {
  border-color:rgba(200,164,90,.5);
  background:rgba(200,164,90,.18);
}

.status-bar {
  font-size:.74rem;
  color:var(--text-dim);
  min-height:16px;
  transition:color .3s;
  margin-right:auto;
}

.status-bar.on {
  color:var(--gold);
}

.info-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(175px,1fr));
  gap:12px;
  margin-bottom:28px;
}

.info-card {
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  padding:15px 17px;
}

.info-label {
  font-size:.68rem;
  color:var(--text-dim);
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin-bottom:5px;
}

.info-value {
  font-size:.92rem;
  font-weight:700;
  color:var(--text);
}

.info-value.gold {
  color:var(--gold);
}

@media(max-width:768px) {
  .nav-inner {
    padding:0 16px;
  }

  .nav-right {
    gap:10px;
    min-width:0;
    flex:1;
  }

  .nav-links {
    display:none;
  }

  .nav-breadcrumb {
    padding:0;
    border:none;
    background:none;
    gap:6px;
    overflow:hidden;
  }

  .nav-breadcrumb .current {
    max-width:120px;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
  }

  .mobile-toggle {
    display:flex;
  }

  .sidebar {
    transform:translateX(100%);
    transition:transform .35s var(--ease);
    z-index:150;
  }

  .sidebar.open {
    transform:translateX(0);
  }

  .main {
    margin-right:0;
  }

  .maqam-hero {
    padding:24px 16px 22px;
  }

  .maqam-body {
    padding:24px 16px 72px;
    max-width:none;
  }

  .staff-scale-box {
    padding:22px 16px 18px;
    border-radius:18px;
  }

  .staff-svg {
    min-width:640px;
  }

  .note-key-face {
    min-height:62px;
  }
}