/* ===================================================
   CSS VARIABLES & RESET
=================================================== */
:root {
  /* Spotify Palette */
  --bg-base:       #121212;
  --bg-surface:    #181818;
  --bg-elevated:   #282828;
  --bg-highlight:  #3E3E3E;

  /* Accent — overridden per CV mode by JS */
  --green:         #1DB954;
  --green-dark:    #169040;
  --green-hover:   #1ed760;

  /* Hero gradient stops — overridden per CV mode by JS */
  --hero-from:     #1a4c8a;
  --hero-to:       #0d6b32;

  /* Text */
  --text-primary:  #FFFFFF;
  --text-secondary:#B3B3B3;
  --text-muted:    #6A6A6A;

  /* Borders */
  --border:        rgba(255,255,255,0.1);

  /* Layout */
  --sidebar-w:     240px;
  --player-h:      90px;

  /* Misc */
  --transition:    0.18s ease;
  --shadow:        0 8px 24px rgba(0,0,0,0.55);
  --radius:        8px;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { font-size:16px; scroll-behavior:smooth; }

body {
  font-family:'Inter', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  -webkit-user-select: text;
  user-select: text;
}

a { color:inherit; text-decoration:none; }
button { cursor:pointer; border:none; background:none; color:inherit; font-family:inherit; }
img { max-width:100%; display:block; }

/* ===================================================
   APP GRID LAYOUT
=================================================== */
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: 1fr var(--player-h);
  grid-template-areas:
    "sidebar main"
    "player  player";
  height: 100vh;
  gap: 8px;
  padding: 8px;
  background: #000;
}

/* ===================================================
   SIDEBAR
=================================================== */
.sidebar {
  grid-area: sidebar;
  background: var(--bg-surface);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sidebar-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  padding-bottom: 8px;
}
.sidebar-content::-webkit-scrollbar { width:4px; }
.sidebar-content::-webkit-scrollbar-thumb { background:var(--bg-highlight); border-radius:2px; }

/* Logo */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px 14px;
  flex-shrink: 0;
}
.logo-icon {
  width: 34px; height: 34px;
  background: var(--green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; color: #000; flex-shrink: 0;
}
.logo-text {
  font-family:'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 1.1rem; letter-spacing: -0.4px;
}

/* Nav */
.sidebar-nav {
  padding: 0 8px 8px;
  display: flex; flex-direction: column; gap: 2px;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 6px;
  font-weight: 600; font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}
.nav-item:hover { color: var(--text-primary); background: var(--bg-elevated); }
.nav-item.active  { color: var(--text-primary); }
.nav-item i { font-size: 1.15rem; width: 20px; text-align: center; }

/* Library */
.sidebar-section { padding: 0 8px; flex: 1; }
.section-header-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 8px 8px;
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--text-secondary);
}
.section-header-bar i { cursor: pointer; padding: 4px; border-radius: 50%; transition: color var(--transition); }
.section-header-bar i:hover { color: var(--text-primary); }

.playlist-list { display: flex; flex-direction: column; gap: 2px; }

.playlist-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px; border-radius: 6px; width: 100%; text-align: left;
  transition: background var(--transition); cursor: pointer;
}
.playlist-item:hover  { background: var(--bg-elevated); }
.playlist-item.active { background: var(--bg-elevated); }
.playlist-item.active .playlist-name { color: var(--green); }

.playlist-icon {
  width: 40px; height: 40px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 0.95rem; color: #fff;
}
.playlist-info { display: flex; flex-direction: column; min-width: 0; }
.playlist-name {
  font-size: 0.83rem; font-weight: 500; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.playlist-meta { font-size: 0.72rem; color: var(--text-secondary); }

/* Profile */
.sidebar-profile {
  margin-top: auto;
  padding: 10px 8px 8px;
  border-top: 1px solid var(--border);
}
.profile-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  overflow: hidden; background: var(--bg-elevated);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 6px;
}
.profile-avatar img { width:100%; height:100%; object-fit:cover; }
.avatar-fallback {
  width:100%; height:100%;
  background: linear-gradient(135deg,#1DB954,#169040);
  color:#000; font-weight:700; font-size:0.78rem;
  display:flex; align-items:center; justify-content:center;
}
.profile-info { display:flex; flex-direction:column; gap:2px; margin-bottom:8px; }
.profile-name  { font-size:0.83rem; font-weight:600; }
.profile-title { font-size:0.72rem; color:var(--text-secondary); }
.profile-links { display:flex; gap:14px; }
.profile-links a { color:var(--text-secondary); font-size:1rem; transition:color var(--transition); }
.profile-links a:hover { color:var(--text-primary); }

/* Mobile toggle */
.sidebar-toggle {
  display: none;
  position: fixed; top:16px; left:16px; z-index:200;
  background: var(--bg-elevated); color: var(--text-primary);
  width: 36px; height: 36px; border-radius: 50%;
  align-items: center; justify-content: center; font-size: 1rem;
  box-shadow: var(--shadow);
}

/* ===================================================
   MAIN CONTENT
=================================================== */
.main-content {
  grid-area: main;
  background: var(--bg-surface);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Top Bar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px; flex-shrink: 0;
  transition: background 0.3s;
  position: relative; z-index: 10;
}
.topbar.scrolled {
  background: rgba(24,24,24,0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.topbar-nav { display:flex; gap:8px; }
.topbar-btn {
  width:32px; height:32px; border-radius:50%;
  background: rgba(0,0,0,0.6); color:var(--text-primary);
  display:flex; align-items:center; justify-content:center;
  font-size:0.82rem; transition:background var(--transition);
}
.topbar-btn:hover { background: rgba(0,0,0,0.9); }
.topbar-right { display:flex; align-items:center; gap:12px; }
.topbar-pill {
  display:flex; align-items:center; gap:6px;
  padding:6px 14px; background:var(--bg-elevated);
  border-radius:20px; font-size:0.78rem; font-weight:600;
  transition:background var(--transition);
}
.topbar-pill:hover { background:var(--bg-highlight); }
.topbar-user {
  display:flex; align-items:center; gap:8px;
  background:rgba(0,0,0,0.6); border-radius:20px;
  padding:4px 12px 4px 4px; font-size:0.78rem; font-weight:700;
}
.topbar-avatar {
  width:26px; height:26px; border-radius:50%;
  background:linear-gradient(135deg,#1DB954,#169040);
  color:#000; font-size:0.62rem; font-weight:700;
  display:flex; align-items:center; justify-content:center;
}

/* Scroll area */
.content-scroll { flex:1; overflow-y:auto; }
.content-scroll::-webkit-scrollbar { width:6px; }
.content-scroll::-webkit-scrollbar-thumb { background:var(--bg-highlight); border-radius:3px; }
.content-scroll::-webkit-scrollbar-thumb:hover { background:var(--text-muted); }

/* ===================================================
   HERO
=================================================== */
.hero-section {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 24px;
  padding: 56px 32px 32px;
  min-height: 300px;
  overflow: hidden;
}
.hero-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--hero-from) 0%, var(--hero-to) 55%, #121212 100%);
  z-index: 0;
}
.hero-gradient::after {
  content:'';
  position:absolute; bottom:0; left:0; right:0; height:90px;
  background: linear-gradient(to bottom, transparent, var(--bg-surface));
}
.hero-content { position:relative; z-index:1; flex:1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(29,185,84,0.18); border:1px solid rgba(29,185,84,0.4);
  color:var(--green); font-size:0.72rem; font-weight:700;
  padding:4px 10px; border-radius:12px; margin-bottom:12px;
}
.hero-label {
  font-size:0.7rem; font-weight:700; text-transform:uppercase;
  letter-spacing:0.12em; color:var(--text-secondary); margin-bottom:4px;
}
.hero-title {
  font-family:'Space Grotesk', sans-serif;
  font-size: clamp(2rem,5vw,3.4rem);
  font-weight:700; letter-spacing:-1px; line-height:1.1; margin-bottom:12px;
}
.hero-description {
  font-size:0.88rem; color:var(--text-secondary);
  max-width:480px; line-height:1.65; margin-bottom:16px;
}
.hero-stats {
  display:flex; align-items:center; gap:10px;
  font-size:0.83rem; color:var(--text-secondary);
}
.hero-stats strong { color:var(--text-primary); }
.hero-cover { position:relative; z-index:1; flex-shrink:0; }
.hero-cover-art {
  width:175px; height:175px;
  background: linear-gradient(135deg,#1DB954,#169040);
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:3.8rem; color:#000;
  box-shadow:0 16px 48px rgba(0,0,0,0.65);
  animation: floatAnim 6s ease-in-out infinite;
}
@keyframes floatAnim {
  0%,100% { transform:translateY(0); }
  50%      { transform:translateY(-8px); }
}

/* ===================================================
   ACTION BAR
=================================================== */
.action-bar {
  display:flex; align-items:center; gap:20px;
  padding:24px 32px 12px;
}
.btn-play-all {
  width:56px; height:56px; border-radius:50%;
  background:var(--green); color:#000; font-size:1.2rem;
  display:flex; align-items:center; justify-content:center;
  transition:transform var(--transition), background var(--transition);
  box-shadow:0 4px 14px rgba(29,185,84,0.45);
  padding-left: 3px; /* optical center */
}
.btn-play-all:hover { transform:scale(1.07); background:var(--green-hover); }
.btn-shuffle, .btn-heart {
  color:var(--text-secondary); font-size:1.25rem; padding:6px;
  transition:color var(--transition), transform var(--transition);
}
.btn-shuffle:hover, .btn-heart:hover { color:var(--text-primary); transform:scale(1.1); }
.btn-shuffle.active { color:var(--green); }
.list-toggle { margin-left:auto; display:flex; gap:4px; }
.list-btn { color:var(--text-secondary); padding:6px 10px; border-radius:4px; font-size:0.9rem; transition:color var(--transition); }
.list-btn:hover  { color:var(--text-primary); }
.list-btn.active { color:var(--text-primary); }

/* ===================================================
   TRACK LIST VIEW
=================================================== */
.track-view { padding: 0 32px; }
.hidden { display:none !important; }

.track-list-header {
  display: grid;
  grid-template-columns: 42px 1fr 160px 60px 80px 52px;
  align-items: center;
  padding: 0 12px 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
.track-list-header > div {
  font-size:0.68rem; font-weight:700; text-transform:uppercase;
  letter-spacing:0.08em; color:var(--text-secondary);
}
.th-num   { text-align:center; }
.th-dur   { text-align:right; }
.th-links { text-align:center; }

/* Track row */
.track-item {
  display: grid;
  grid-template-columns: 42px 1fr 160px 60px 80px 52px;
  align-items: center;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition);
}
.track-item:hover  { background:var(--bg-elevated); }
.track-item.active { background:rgba(29,185,84,0.08); }
.track-item.active .track-name { color:var(--green); }

/* hide/show number vs play icon */
.track-item .track-play-hover { display:none; }
.track-item:hover .track-num  { display:none; }
.track-item:hover .track-play-hover { display:flex; align-items:center; justify-content:center; }

/* Number cell */
.track-num-cell {
  display:flex; align-items:center; justify-content:center;
  width:42px; height:42px; flex-shrink:0;
}
.track-num { font-size:0.9rem; color:var(--text-secondary); }
.track-play-hover { color:var(--text-primary); font-size:0.95rem; }

/* Equalizer */
.equalizer { display:flex; align-items:flex-end; gap:2px; height:14px; }
.eq-bar {
  width:3px; border-radius:1px; background:var(--green);
  transform-origin: bottom;
  animation: eqPulse 0.8s ease-in-out infinite alternate;
}
.eq-bar:nth-child(1) { height:55%; animation-duration:0.7s; }
.eq-bar:nth-child(2) { height:100%; animation-duration:1.0s; }
.eq-bar:nth-child(3) { height:40%; animation-duration:0.6s; }
.eq-bar:nth-child(4) { height:75%; animation-duration:0.9s; }
.eq-bar.paused { animation-play-state:paused; height:50% !important; }
@keyframes eqPulse {
  from { transform:scaleY(0.3); }
  to   { transform:scaleY(1); }
}

/* Track info cell */
.track-info-cell { display:flex; align-items:center; gap:12px; min-width:0; }
.track-cover {
  width:40px; height:40px; border-radius:4px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-size:0.95rem; color:#fff;
}
.track-name-group { display:flex; flex-direction:column; min-width:0; }
.track-name {
  font-size:0.88rem; font-weight:500;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
  color:var(--text-primary); transition:color var(--transition);
}
.track-desc {
  font-size:0.72rem; color:var(--text-secondary);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}

/* Tags cell */
.track-tags-cell { display:flex; flex-wrap:wrap; gap:4px; }
.track-tag {
  font-size:0.62rem; font-weight:700; padding:2px 8px; border-radius:10px;
  background:var(--bg-elevated); color:var(--text-secondary);
  white-space:nowrap; text-transform:uppercase; letter-spacing:0.03em;
}
.track-tag.primary { background:rgba(29,185,84,0.15); color:var(--green); }

/* Year */
.track-year { font-size:0.83rem; color:var(--text-secondary); }

/* Links */
.track-links-cell { display:flex; align-items:center; justify-content:center; gap:10px; }
.track-link-btn {
  color:var(--text-secondary); font-size:0.82rem; padding:4px;
  border-radius:4px; transition:color var(--transition);
}
.track-link-btn:hover { color:var(--text-primary); }

/* Duration */
.track-duration { font-size:0.83rem; color:var(--text-secondary); text-align:right; }

/* ===================================================
   GRID VIEW
=================================================== */
.track-grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.grid-card {
  background:var(--bg-elevated); border-radius:8px; padding:16px;
  cursor:pointer; transition:background var(--transition);
}
.grid-card:hover { background:var(--bg-highlight); }
.grid-card:hover .grid-card-play { opacity:1; transform:translateY(0); }
.grid-cover {
  width:100%; aspect-ratio:1; border-radius:6px;
  display:flex; align-items:center; justify-content:center;
  font-size:2rem; color:#fff; margin-bottom:12px; position:relative;
  box-shadow:0 8px 24px rgba(0,0,0,0.5);
}
.grid-card-play {
  position:absolute; bottom:8px; right:8px;
  width:40px; height:40px; border-radius:50%;
  background:var(--green); color:#000;
  display:flex; align-items:center; justify-content:center; font-size:1rem;
  opacity:0; transform:translateY(8px);
  transition:opacity 0.2s, transform 0.2s;
  box-shadow:0 4px 12px rgba(0,0,0,0.5);
}
.grid-card-title {
  font-size:0.875rem; font-weight:600; margin-bottom:4px;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.grid-card-desc {
  font-size:0.72rem; color:var(--text-secondary);
  display:-webkit-box; -webkit-line-clamp:2;
  -webkit-box-orient:vertical; overflow:hidden;
}

/* ===================================================
   SKILLS SECTION
=================================================== */
.skills-section {
  padding: 40px 32px 32px;
  border-top: 1px solid var(--border);
  margin-top: 24px;
}
.section-title {
  font-family:'Space Grotesk', sans-serif;
  font-size:1.35rem; font-weight:700; margin-bottom:24px;
  display:flex; align-items:center; gap:8px;
}
.section-title i { color:var(--green); }
.skills-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(195px,1fr)); gap:24px; }
.skill-category h3 {
  font-size:0.68rem; font-weight:700; text-transform:uppercase;
  letter-spacing:0.1em; color:var(--text-secondary); margin-bottom:10px;
}
.skill-tags { display:flex; flex-wrap:wrap; gap:8px; }
.skill-tag {
  display:inline-flex; align-items:center; padding:6px 14px;
  border-radius:20px; background:var(--bg-elevated);
  color:var(--text-secondary); font-size:0.78rem; font-weight:500;
  border:1px solid transparent; transition:all var(--transition); cursor:default;
}
.skill-tag:hover { border-color:var(--text-secondary); color:var(--text-primary); transform:scale(1.05); }
.skill-tag.hot {
  background:rgba(29,185,84,0.14); color:var(--green);
  border:1px solid rgba(29,185,84,0.3);
}
.skill-tag.hot:hover { background:rgba(29,185,84,0.25); border-color:var(--green); }

/* ===================================================
   ABOUT SECTION
=================================================== */
.about-section { padding:32px 32px; }
.about-card {
  display:flex; gap:32px; align-items:flex-start;
  background:var(--bg-elevated); border-radius:12px; padding:32px;
}
.about-avatar {
  width:140px; height:140px; border-radius:50%; overflow:hidden;
  flex-shrink:0; background:var(--bg-highlight);
  display:flex; align-items:center; justify-content:center;
}
.about-avatar img { width:100%; height:100%; object-fit:cover; }
.avatar-fallback-lg {
  width:100%; height:100%;
  background:linear-gradient(135deg,#1DB954,#169040);
  color:#000; font-weight:700; font-size:2.2rem;
  display:flex; align-items:center; justify-content:center;
}
.about-label {
  font-size:0.68rem; font-weight:700; text-transform:uppercase;
  letter-spacing:0.1em; color:var(--text-secondary); margin-bottom:4px;
}
.about-text h2 { font-family:'Space Grotesk',sans-serif; font-size:1.5rem; font-weight:700; margin-bottom:14px; }
.about-text p  { color:var(--text-secondary); font-size:0.88rem; line-height:1.72; margin-bottom:10px; }
.about-links { display:flex; gap:10px; flex-wrap:wrap; margin-top:20px; }
.about-link-btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 20px; border-radius:20px;
  background:var(--green); color:#000; font-size:0.83rem; font-weight:700;
  transition:background var(--transition), transform var(--transition);
}
.about-link-btn:hover { background:var(--green-hover); transform:scale(1.04); }
.about-link-btn.outline {
  background:transparent; color:var(--text-primary);
  border:1px solid var(--border);
}
.about-link-btn.outline:hover { background:var(--bg-highlight); border-color:var(--text-secondary); transform:scale(1.04); }

/* ===================================================
   FOOTER
=================================================== */
.page-footer {
  text-align:center; padding:32px 24px 20px;
  color:var(--text-muted); font-size:0.78rem; line-height:2;
}
.footer-sub { color:var(--text-muted); font-size:0.72rem; }

/* ===================================================
   PLAYER BAR
=================================================== */
.player-bar {
  grid-area: player;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
  border-top: 1px solid var(--border);
}

/* Left */
.player-left {
  display:flex; align-items:center; gap:12px;
  width:260px; flex-shrink:0; min-width:0;
}
.now-playing-art {
  width:56px; height:56px; border-radius:6px; flex-shrink:0;
  background:var(--bg-highlight); display:flex; align-items:center; justify-content:center;
  font-size:1.2rem; color:var(--text-secondary); transition:box-shadow 0.3s;
}
.now-playing-art.has-project { box-shadow:0 0 0 2px var(--green); }
.now-playing-info { min-width:0; flex:1; }
.now-playing-title {
  font-size:0.84rem; font-weight:500;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.now-playing-sub {
  font-size:0.72rem; color:var(--text-secondary);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.heart-btn {
  color:var(--text-secondary); font-size:0.95rem; padding:4px; flex-shrink:0;
  transition:color var(--transition), transform 0.15s;
}
.heart-btn:hover { color:var(--text-primary); }
.heart-btn.liked { color:var(--green); }

/* Center */
.player-center {
  flex:1; display:flex; flex-direction:column;
  align-items:center; gap:6px; max-width:580px;
}
.player-controls { display:flex; align-items:center; gap:16px; }
.ctrl-btn {
  color:var(--text-secondary); font-size:1rem; padding:4px;
  display:flex; align-items:center; justify-content:center;
  transition:color var(--transition), transform var(--transition);
}
.ctrl-btn:hover  { color:var(--text-primary); transform:scale(1.12); }
.ctrl-btn.active { color:var(--green); }
.ctrl-btn-main {
  width:36px; height:36px; border-radius:50%;
  background:var(--text-primary); color:#000; font-size:0.95rem;
  display:flex; align-items:center; justify-content:center;
  padding-left:2px; /* optical play icon centering */
  transition:transform var(--transition), background var(--transition);
}
.ctrl-btn-main:hover { transform:scale(1.09); background:var(--green-hover); }

/* Progress */
.progress-container { display:flex; align-items:center; gap:10px; width:100%; }
.progress-time, .progress-total { font-size:0.68rem; color:var(--text-secondary); flex-shrink:0; min-width:30px; }
.progress-total { text-align:right; }
.progress-track {
  flex:1; height:4px; background:var(--bg-highlight); border-radius:2px;
  cursor:pointer; position:relative; transition:height 0.12s;
}
.progress-track:hover { height:6px; }
.progress-fill {
  height:100%; background:var(--text-secondary); border-radius:2px;
  width:0%; pointer-events:none; transition:background 0.12s;
}
.progress-track:hover .progress-fill { background:var(--green); }
.progress-thumb {
  position:absolute; top:50%; left:0%;
  transform:translate(-50%,-50%);
  width:12px; height:12px; border-radius:50%;
  background:var(--text-primary); opacity:0;
  pointer-events:none; transition:opacity 0.12s;
}
.progress-track:hover .progress-thumb { opacity:1; }

/* Right */
.player-right { display:flex; align-items:center; gap:14px; justify-content:flex-end; width:220px; flex-shrink:0; }
.open-project-btn {
  display:flex; align-items:center; gap:6px;
  color:var(--text-secondary); font-size:0.78rem; font-weight:600; padding:6px 12px;
  border-radius:20px; border:1px solid var(--border);
  transition:all var(--transition); white-space:nowrap;
}
.open-project-btn:hover { color:var(--text-primary); border-color:var(--text-secondary); background:rgba(255,255,255,0.05); }
.volume-control { display:flex; align-items:center; gap:8px; color:var(--text-secondary); font-size:0.85rem; }
.volume-track {
  width:80px; height:4px; background:var(--bg-highlight); border-radius:2px;
  cursor:pointer; position:relative; transition:height 0.12s;
}
.volume-track:hover { height:6px; }
.volume-fill { height:100%; background:var(--text-secondary); border-radius:2px; transition:background 0.12s; }
.volume-track:hover .volume-fill { background:var(--green); }

/* ===================================================
   MOBILE OVERLAY
=================================================== */
.sidebar-overlay {
  display:none; position:fixed; inset:0;
  background:rgba(0,0,0,0.72); z-index:190;
}
.sidebar-overlay.visible { display:block; }

/* ===================================================
   ANIMATIONS
=================================================== */
.fade-in { animation:fadeIn 0.3s ease both; }
@keyframes fadeIn {
  from { opacity:0; transform:translateY(6px); }
  to   { opacity:1; transform:translateY(0); }
}

/* ===================================================
   RESPONSIVE — Tablet/Mobile
=================================================== */
@media (max-width: 900px) {
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-areas: "main" "player";
    padding: 0; gap: 0;
  }
  .sidebar {
    position: fixed; top:0; bottom: var(--player-h); left:-260px; width:var(--sidebar-w);
    z-index:195; border-radius:0; transition:left 0.28s ease;
  }
  .sidebar.open { left:0; }
  .sidebar-toggle { display:flex; }
  .player-bar  { border-radius:0; }
  .main-content { border-radius:0; }
  .player-left { width:auto; flex:1; }
  .player-right { width:auto; }

  .track-list-header,
  .track-item {
    grid-template-columns: 42px 1fr 60px 50px;
  }
  .th-tags, .th-links, .track-tags-cell, .track-links-cell { display:none !important; }

  .about-card { flex-direction:column; align-items:center; text-align:center; }
  .about-links { justify-content:center; }
  .player-center { max-width:none; }
  .volume-control { display:none; }
  .hero-section { padding:48px 20px 24px; }
  .track-view, .action-bar, .skills-section, .about-section { padding-left:16px; padding-right:16px; }
}

@media (max-width: 600px) {
  .hero-section { flex-direction:column; align-items:flex-start; min-height:auto; }
  .hero-cover { order:-1; align-self:center; }
  .hero-cover-art { width:130px; height:130px; font-size:2.8rem; }
  .topbar { padding:12px 16px 12px 60px; }
  .open-project-btn span { display:none; }
  .track-list-header,
  .track-item {
    grid-template-columns: 42px 1fr 50px;
  }
  .th-year, .track-year { display:none !important; }
}

/* ===================================================
   SCROLLBAR (global)
=================================================== */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--bg-highlight); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--text-muted); }

/* ===================================================
   CV MODE BADGE
   Shows bottom-right when ?cv= param is in URL
=================================================== */
.cv-badge {
  position: fixed;
  bottom: calc(var(--player-h) + 16px);
  right: 20px;
  background: rgba(24,24,24,0.96);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 10px 14px;
  z-index: 50;
  min-width: 170px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  animation: slideUpIn 0.3s ease;
}
@keyframes slideUpIn {
  from { opacity:0; transform:translateY(12px); }
  to   { opacity:1; transform:translateY(0); }
}
.cv-badge-label {
  font-size: 0.65rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-secondary); margin-bottom: 4px;
}
.cv-badge-current {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.82rem; font-weight: 700; margin-bottom: 8px;
}
.cv-badge-switch {
  display: flex; flex-direction: column; gap: 4px;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 8px;
}
.cv-badge-link {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.78rem; font-weight: 500; padding: 4px 6px;
  border-radius: 6px; color: var(--text-secondary);
  transition: all 0.15s ease;
}
.cv-badge-link:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}
.cv-badge-link i { width: 14px; text-align: center; }

/* Launch accessibility and small-screen layout */
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 300; padding: 12px 18px; background: #fff; color: #121212; border-radius: 6px; }
.skip-link:focus { top: 16px; }
.empty-state { padding: 24px; color: var(--text-secondary); line-height: 1.6; }
.empty-state a { color: var(--green); text-decoration: underline; }
.grid-card { text-align: left; }
.demo-notice { margin: 0 24px 16px; padding: 12px 16px; border: 1px solid var(--border); border-radius: 8px; color: var(--text-secondary); font-size: .85rem; line-height: 1.6; }
.demo-tag { font-size: .6rem; padding: 2px 5px; border: 1px solid var(--border); border-radius: 4px; color: var(--text-secondary); text-transform: uppercase; vertical-align: middle; }
.main-content, .content-scroll { min-width: 0; min-height: 0; }
.noscript-note { position: fixed; bottom: 0; left: 0; right: 0; padding: 16px; background: #181818; z-index: 200; }
.noscript-note a { text-decoration: underline; }
body, .app-layout { height: 100dvh; }
@media (max-width: 600px) {
  :root { --player-h: 140px; }
  .player-bar { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; padding: 10px 12px; }
  .player-left { width: auto; min-width: 0; }
  .now-playing-art { width: 40px; height: 40px; }
  .player-center { grid-row: 2; grid-column: 1 / -1; width: 100%; }
  .player-right { grid-column: 2; grid-row: 1; }
  .topbar-user > span { display: none; }
  .topbar-right { gap: 8px; }
  .topbar-nav { display: none; }
  .topbar { justify-content: flex-end; }
  .hero-title { font-size: clamp(2rem, 9vw, 3.5rem); overflow-wrap: anywhere; }
  .hero-stats { flex-wrap: wrap; }
  .cv-badge { right: 8px; max-width: calc(100vw - 16px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}