:root {
  --bg: #0b0a0f;
  --sidebar: #0e0d13;
  --surface: #131119;
  --surface-2: #18151f;
  --surface-hover: #1d1926;
  --text: #f0edf5;
  --muted: #9790a3;
  --dim: #676171;
  --line: #292431;
  --line-strong: #41384f;
  --accent: #aa96d8;
  --accent-bright: #cbbaf0;
  --accent-soft: rgba(170, 150, 216, 0.11);
  --green: #56c98b;
  --danger: #e18088;
  --mono: "JetBrains Mono", Consolas, monospace;
  --sans: "Inter", system-ui, sans-serif;
  --radius: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background:
    linear-gradient(rgba(170, 150, 216, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(170, 150, 216, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 40px 40px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  min-height: 100vh;
  overflow-x: hidden;
}

::-webkit-scrollbar { height: 8px; width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 2px; }

.hidden { display: none !important; }
.margin-top { margin-top: 24px; }

/* Ambient background — soft blobs of colour drifting slowly past each
   other (lava-lamp-like), not pinned to corners so it doesn't read as a
   screen artefact. Long, offset durations and vw/vh-based travel so the
   motion feels organic rather than a blob wobbling in place. */
.glow-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}
.glow-blur {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
  opacity: 0.1;
  mix-blend-mode: screen;
  animation-iteration-count: infinite;
  animation-timing-function: ease-in-out;
}
.glow-1 {
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  width: 620px;
  height: 620px;
  top: -12%;
  left: -10%;
  animation-name: float-glow-1;
  animation-duration: 34s;
}
.glow-2 {
  background: radial-gradient(circle, var(--green) 0%, transparent 70%);
  width: 540px;
  height: 540px;
  bottom: -14%;
  right: -8%;
  animation-name: float-glow-2;
  animation-duration: 42s;
  animation-delay: -14s;
}
.glow-3 {
  background: radial-gradient(circle, var(--accent-bright) 0%, transparent 70%);
  width: 460px;
  height: 460px;
  top: 38%;
  left: 58%;
  animation-name: float-glow-3;
  animation-duration: 50s;
  animation-delay: -26s;
}
@keyframes float-glow-1 {
  0%   { transform: translate(0, 0) scale(1); }
  25%  { transform: translate(10vw, 8vh) scale(1.15); }
  50%  { transform: translate(4vw, 18vh) scale(0.95); }
  75%  { transform: translate(-8vw, 6vh) scale(1.05); }
  100% { transform: translate(0, 0) scale(1); }
}
@keyframes float-glow-2 {
  0%   { transform: translate(0, 0) scale(1); }
  30%  { transform: translate(-12vw, -10vh) scale(1.1); }
  60%  { transform: translate(-4vw, -20vh) scale(0.92); }
  100% { transform: translate(0, 0) scale(1); }
}
@keyframes float-glow-3 {
  0%   { transform: translate(0, 0) scale(1); }
  40%  { transform: translate(-10vw, 8vh) scale(1.1); }
  70%  { transform: translate(6vw, -6vh) scale(0.9); }
  100% { transform: translate(0, 0) scale(1); }
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  left: 50%;
  max-width: 480px;
  padding: 48px;
  position: absolute;
  text-align: left;
  top: 50%;
  transform: translate(-50%, -50%);
  width: calc(100% - 40px);
  z-index: 2;
}

.auth-card::before {
  color: var(--dim);
  content: "// SPOTIFY LISTENING ANALYTICS";
  display: block;
  font: 500 0.8rem var(--mono);
  letter-spacing: 0.12em;
  margin-bottom: 30px;
}

.auth-header { text-align: left; }
.logo-icon { display: none; }
.auth-title {
  color: var(--text);
  font: 600 2.15rem var(--mono);
  letter-spacing: -0.06em;
  margin-bottom: 14px;
}
.auth-title::after { color: var(--accent); content: "_"; }
.auth-subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 30px;
}

.btn {
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  font: 500 0.88rem var(--mono);
  gap: 10px;
  justify-content: center;
  letter-spacing: 0.02em;
  padding: 12px 20px;
  text-decoration: none;
  transition: var(--transition);
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: #110f16; }
.btn-primary:hover { background: var(--accent-bright); transform: translateY(-1px); }
.btn-login { background: var(--accent); border-color: var(--accent); color: #110f16; }
.btn-secondary { background: transparent; color: var(--muted); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent-bright); }
.btn-sm { font-size: 0.8rem; padding: 10px 16px; border-radius: 6px; }

.error-banner {
  background: rgba(225, 128, 136, 0.08);
  border: 1px solid rgba(225, 128, 136, 0.3);
  border-radius: 5px;
  color: var(--danger);
  font: 0.75rem/1.5 var(--mono);
  margin-top: 22px;
  padding: 12px;
}
#dashboard-error-banner {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  margin-top: 0;
  margin-bottom: 18px;
}
#dashboard-error-banner .btn-sm { color: var(--danger); flex-shrink: 0; }

.spinner-container {
  left: 50%;
  position: absolute;
  text-align: center;
  top: 50%;
  transform: translate(-50%, -50%);
}
.spinner {
  animation: spin 0.8s linear infinite;
  border: 2px solid var(--line);
  border-radius: 50%;
  border-top-color: var(--accent);
  height: 42px;
  margin: auto;
  width: 42px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text, .loading-inline { color: var(--muted); font: 0.75rem var(--mono); }
.loading-text { margin-top: 16px; }
.loading-inline { padding: 24px; text-align: center; }

.dashboard-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  height: 100vh;
  position: relative;
  transition: grid-template-columns 0.25s ease;
  z-index: 1;
}
.dashboard-layout.sidebar-collapsed { grid-template-columns: 76px 1fr; }

.sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--line);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  height: 100vh;
  justify-content: space-between;
  overflow: hidden;
  padding: 26px 18px 20px;
  transition: padding 0.25s ease, background 0.15s ease;
}
.sidebar:hover { background: var(--surface); }
.sidebar-brand { align-items: center; display: flex; gap: 11px; margin: 0 8px 20px; pointer-events: none; }
.brand-logo svg { fill: var(--accent); height: 25px; width: 25px; }
.brand-text { color: var(--text); font: 600 1.2rem var(--mono); letter-spacing: -0.04em; white-space: nowrap; }
.brand-text::after { color: var(--accent); content: "_"; }

.nav-menu { display: flex; flex: 1; flex-direction: column; gap: 5px; }
.nav-item {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  font: 500 0.85rem var(--mono);
  gap: 14px;
  letter-spacing: 0.045em;
  padding: 12px 14px;
  text-align: left;
  text-transform: uppercase;
  transition: var(--transition);
  white-space: nowrap;
  width: 100%;
}
.nav-item svg { flex-shrink: 0; height: 17px; width: 17px; }
.nav-item:hover { background: var(--accent-soft); color: var(--text); }
.nav-item.active { background: var(--accent-soft); border-color: var(--line-strong); color: var(--accent-bright); }
.sidebar-footer { border-top: 1px solid var(--line); display: flex; flex-direction: column; flex: 1; gap: 22px; justify-content: flex-end; padding: 8px 4px 0; }
.sidebar-footer-row { align-items: center; display: flex; justify-content: space-between; }
.user-badge { align-items: center; display: flex; gap: 10px; min-width: 0; }
.avatar { border: 1px solid var(--line-strong); border-radius: 4px; flex-shrink: 0; height: 34px; object-fit: cover; width: 34px; }
.user-info { display: flex; flex-direction: column; min-width: 0; }
.user-info .name { font-size: 0.9rem; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-info .account-type { color: var(--green); font: 0.7rem var(--mono); margin-top: 3px; }
.btn-logout { color: var(--dim); flex-shrink: 0; padding: 6px; transition: var(--transition); }
.btn-logout:hover { color: var(--accent-bright); }

/* COLLAPSED SIDEBAR — icon-only rail */
.sidebar.collapsed { padding-left: 14px; padding-right: 14px; }
.sidebar.collapsed .sidebar-brand { justify-content: center; margin: 0 0 20px; }
.sidebar.collapsed .brand-text,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .user-info { display: none; }
.sidebar.collapsed .nav-item { gap: 0; justify-content: center; padding: 12px; }
.sidebar.collapsed .sidebar-footer-row { flex-direction: column; gap: 14px; }
.sidebar.collapsed .user-badge { justify-content: center; }
/* Collapsed rail: no room for cover/track text or a horizontal progress
   bar, but the transport controls still fit — stack them vertically
   instead of hiding the whole mini player. */
.sidebar.collapsed .sidebar-mini-player { background: transparent; border: none; padding: 0; }
.sidebar.collapsed .mini-player-now,
.sidebar.collapsed .mini-player-progress,
.sidebar.collapsed .mini-player-error { display: none; }
.sidebar.collapsed .mini-player-controls { flex-direction: column; gap: 8px; margin-top: 0; }

/* SIDEBAR MINI PLAYER — compact echo of the Overview Now Playing panel */
.sidebar-mini-player {
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 10px;
}
.mini-player-now { align-items: center; display: flex; gap: 8px; min-width: 0; }
.mini-player-cover { border-radius: 4px; flex-shrink: 0; height: 32px; object-fit: cover; width: 32px; }
.mini-player-info { display: flex; flex-direction: column; min-width: 0; }
.mini-player-track { color: var(--text); font-size: 0.76rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-player-artist { color: var(--muted); font-size: 0.66rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-player-progress { background: var(--line); border-radius: 2px; height: 3px; margin-top: 6px; overflow: hidden; width: 100%; }
.mini-player-progress-fill { background: var(--accent); height: 100%; transition: width 0.4s linear; width: 0; }
.mini-player-controls { align-items: center; display: flex; justify-content: center; gap: 10px; margin-top: 8px; }
.mini-player-btn {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  height: 36px;
  justify-content: center;
  transition: var(--transition);
  width: 36px;
}
.mini-player-btn:hover:not(:disabled) { border-color: var(--line-strong); color: var(--accent-bright); }
.mini-player-btn:disabled { cursor: default; opacity: 0.4; }
.mini-player-play-btn {
  background: var(--accent);
  border-color: var(--accent);
  border-radius: 9px;
  color: var(--sidebar);
  height: 40px;
  width: 40px;
}
.mini-player-play-btn:hover:not(:disabled) { background: var(--accent-bright); border-color: var(--accent-bright); color: var(--sidebar); }
.mini-player-shuffle-btn.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-bright); }
.mini-player-error { color: var(--danger, #e18088); display: block; font-size: 0.65rem; margin-top: 4px; text-align: center; }

/* OVERVIEW NOW PLAYING — full-size transport controls under the progress bar */
.now-playing-controls { align-items: center; display: flex; gap: 18px; justify-content: center; margin-top: 14px; }
.now-playing-control-btn { align-items: center; background: transparent; border: none; color: var(--muted); cursor: pointer; display: flex; justify-content: center; padding: 6px; transition: var(--transition); }
.now-playing-control-btn:hover:not(:disabled) { color: var(--accent-bright); }
.now-playing-control-btn:disabled { cursor: default; opacity: 0.4; }
.now-playing-play-btn {
  align-items: center;
  background: var(--accent);
  border-radius: 50%;
  color: var(--sidebar);
  display: flex;
  height: 34px;
  justify-content: center;
  width: 34px;
}
.now-playing-play-btn:hover:not(:disabled) { background: var(--accent-bright); color: var(--sidebar); }
.now-playing-shuffle-btn.active { color: var(--accent-bright); }
.now-playing-shuffle-btn.active::after {
  content: '';
  background: var(--accent-bright);
  border-radius: 50%;
  display: block;
  height: 4px;
  margin: 3px auto 0;
  width: 4px;
}
.now-playing-controls-error { color: var(--danger, #e18088); display: block; font-size: 0.7rem; text-align: center; width: 100%; }

.main-content { height: 100vh; overflow-y: auto; padding: 34px 42px 60px; }
.content-header { align-items: center; display: flex; justify-content: space-between; margin-bottom: 20px; }
.content-header h2 { font: 600 1.85rem var(--mono); letter-spacing: -0.05em; }
.content-header h2::before { color: var(--accent); content: "~/"; font-weight: 400; margin-right: 8px; }
.time-filters { border: 1px solid var(--line); border-radius: 5px; display: flex; padding: 3px; }
.time-filter-btn {
  background: transparent;
  border: 0;
  border-radius: 4px;
  color: var(--muted);
  cursor: pointer;
  font: 0.8rem var(--mono);
  padding: 8px 14px;
}
.time-filter-btn.active { background: var(--accent-soft); color: var(--accent-bright); }

.grid-layout { display: grid; gap: 18px; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3-1 { grid-template-columns: minmax(0, 2.15fr) minmax(280px, 0.85fr); }

.panel {
  background: rgba(24, 21, 31, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(170, 150, 216, 0.08);
  border-radius: var(--radius);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
  padding: 26px;
}
.panel:hover {
  border-color: rgba(170, 150, 216, 0.25);
  box-shadow: 0 12px 40px 0 rgba(170, 150, 216, 0.08);
  transform: translateY(-4px);
}
.panel h3 { color: var(--text); font: 600 1.15rem var(--mono); margin-bottom: 18px; }
.panel-heading { align-items: flex-start; display: flex; justify-content: space-between; }
.panel-heading h3 { font-size: 1.25rem; margin-top: 5px; }
.panel-kicker, .data-source {
  color: var(--dim);
  font: 500 0.75rem var(--mono);
  letter-spacing: 0.11em;
}
.data-source { border: 1px solid var(--line); border-radius: 4px; padding: 6px 10px; }
.section-desc { color: var(--muted); font-size: 0.9rem; line-height: 1.55; margin-bottom: 22px; }

.mini-tracks-list, .mini-list { display: flex; flex-direction: column; gap: 7px; }
.mini-track-item { align-items: center; border-bottom: 1px solid var(--line); display: flex; gap: 12px; max-width: 460px; padding: 7px 0 11px; }
.mini-track-cover { border-radius: 3px; height: 39px; object-fit: cover; width: 39px; }
.mini-track-info { display: flex; flex: 1; flex-direction: column; min-width: 0; }
.mini-track-title { font-size: 0.9rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-track-artist { color: var(--muted); font-size: 0.8rem; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-track-meta { color: var(--accent); font: 0.75rem var(--mono); white-space: nowrap; }

.genre-bar-container { display: flex; flex-direction: column; gap: 7px; }
.genre-bar-info { align-items: baseline; display: flex; font-size: 0.88rem; justify-content: space-between; }
.genre-bar-name { text-transform: capitalize; }
.genre-bar-percentage { color: var(--muted); font: 0.75rem var(--mono); }
.genre-bar-wrapper { background: #0d0c11; border-radius: 4px; height: 7px; overflow: hidden; }
.genre-bar-fill { background: var(--accent); height: 100%; }

.table-container { overflow-x: auto; }
.data-table { border-collapse: collapse; text-align: left; width: 100%; }
.data-table th, .data-table td { border-bottom: 1px solid var(--line); padding: 16px 14px; }
.data-table th { color: var(--dim); font: 500 0.75rem var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.data-table td { font-size: 0.9rem; }
.data-table tbody tr:hover { background: rgba(170, 150, 216, 0.035); }
.data-table td:first-child, .data-table td:last-child { color: var(--accent); font-family: var(--mono); }
.track-row-cell { align-items: center; display: flex; gap: 12px; }
.track-row-cover { border-radius: 3px; height: 42px; object-fit: cover; width: 42px; }
.track-row-details { display: flex; flex-direction: column; }
.track-row-title, .album-link { color: var(--text); text-decoration: none; }
.track-row-title { font-weight: 600; }
.track-row-title:hover, .album-link:hover { color: var(--accent-bright); }
.track-row-artist, .album-link { color: var(--muted); font-size: 0.8rem; margin-top: 3px; }
.popularity-meter { background: var(--line); border-radius: 2px; height: 5px; width: 76px; }
.popularity-fill { background: var(--accent); height: 100%; }

.artists-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.tracks-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  margin-top: 10px;
}
.artist-card {
  background: rgba(24, 21, 31, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(170, 150, 216, 0.08);
  border-radius: var(--radius);
  padding: 22px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.artist-card:hover {
  background: var(--surface-hover);
  border-color: rgba(170, 150, 216, 0.25);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px 0 rgba(170, 150, 216, 0.12);
}
.artist-img {
  aspect-ratio: 1;
  border-radius: 50%;
  margin: 12px 0 16px;
  object-fit: cover;
  width: 100%;
  border: 2px solid rgba(170, 150, 216, 0.15);
  transition: transform 0.4s ease, border-color 0.4s ease;
}
.artist-card:hover .artist-img {
  transform: scale(1.05);
  border-color: var(--accent);
}
.artist-rank { color: var(--accent); font: 600 0.8rem var(--mono); }
.artist-name { display: block; font-size: 1rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; width: 100%; }
.artist-genre-pill { color: var(--muted); display: block; font: 0.75rem var(--mono); margin-top: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; width: 100%; }

.genre-metrics {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 18px;
}
.metric-block { align-items: flex-start; display: flex; gap: 12px; padding: 18px 20px; }
.metric-block + .metric-block { border-left: 1px solid var(--line); }
.metric-index { color: var(--dim); font: 0.75rem var(--mono); padding-top: 5px; }
.metric-value { display: block; font: 600 1.75rem var(--mono); letter-spacing: -0.05em; }
.metric-label { color: var(--muted); display: block; font-size: 0.85rem; margin-top: 4px; }
.genre-visual { align-items: center; display: grid; gap: 28px; grid-template-columns: minmax(210px, 0.8fr) minmax(280px, 1.2fr); }
.genre-donut { margin: auto; max-width: 300px; width: 100%; }
.genre-donut svg { display: block; height: auto; overflow: visible; width: 100%; }
.donut-total { fill: var(--text); font: 600 18px var(--mono); text-anchor: middle; }
.donut-label { fill: var(--muted); font: 7px var(--mono); letter-spacing: 0.08em; text-anchor: middle; }
.chart-container { display: flex; flex-direction: column; gap: 14px; }
.taste-analysis-card { border-left: 2px solid var(--accent); margin-bottom: 22px; padding: 4px 0 4px 16px; }
.taste-title { color: var(--accent-bright); font: 600 1.25rem var(--mono); margin-bottom: 9px; }
.taste-desc { color: var(--muted); font-size: 0.88rem; line-height: 1.65; }
.genre-stat-list { display: flex; flex-direction: column; gap: 0; }
.genre-stat-item { border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; padding: 11px 0; }
.genre-stat-item .label { color: var(--muted); font-size: 0.85rem; }
.genre-stat-item .value { color: var(--accent-bright); font: 500 0.82rem var(--mono); text-transform: capitalize; }

.tab-pane { animation: fadeIn 220ms ease; display: none; }
.tab-pane.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } }

/* MOBILE TOP BAR — replaces the sidebar's brand/logout on phones & tablets */
.mobile-topbar {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--sidebar);
}
.mobile-topbar-brand { align-items: center; display: flex; flex: 1; gap: 9px; color: var(--text); font: 600 1.05rem var(--mono); letter-spacing: -0.04em; }
.mobile-topbar .btn-logout { align-items: center; color: var(--dim); display: flex; justify-content: center; padding: 6px; }
.mobile-topbar .btn-logout:hover { color: var(--accent-bright); }
.mobile-menu-toggle {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: center;
  padding: 6px;
  transition: var(--transition);
}
.mobile-menu-toggle:hover { background: var(--accent-soft); color: var(--accent-bright); }

/* MOBILE NAV DRAWER — off-canvas panel replacing the sidebar's nav-menu on phones & tablets */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 6;
  background: rgba(11, 10, 15, 0.6);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity var(--transition);
}
.mobile-nav-overlay.open { display: block; opacity: 1; }

.mobile-nav-drawer {
  display: none;
  flex-direction: column;
  gap: 4px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 7;
  width: min(280px, 82vw);
  background: var(--sidebar);
  border-right: 1px solid var(--line);
  padding: 10px 12px calc(16px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-100%);
  transition: transform var(--transition);
  overflow-y: auto;
}
.mobile-nav-drawer.open { transform: translateX(0); }
.mobile-nav-drawer-header {
  align-items: center;
  color: var(--dim);
  display: flex;
  font: 500 0.75rem var(--mono);
  justify-content: space-between;
  letter-spacing: 0.11em;
  margin: 6px 8px 14px;
  text-transform: uppercase;
}

@media (max-width: 1050px) {
  .cols-3-1, .genre-visual { grid-template-columns: 1fr; }
  .cols-3, .cols-4, .genre-metrics { grid-template-columns: repeat(2, 1fr); }
  .genre-donut { max-width: 250px; }
}

/* Phones (any orientation up to 800px wide) and tablets specifically in portrait
   (up to 1024px, e.g. iPad Pro 12.9" portrait) get the mobile top bar + drawer
   nav instead of the fixed sidebar. Tablets in landscape keep the sidebar. */
@media (max-width: 800px), (orientation: portrait) and (max-width: 1024px) {
  .dashboard-layout, .dashboard-layout.sidebar-collapsed { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .mobile-topbar { display: flex; }
  .mobile-nav-drawer { display: flex; }
  .main-content { padding: 20px 16px 50px; }
  .grid-layout, .genre-metrics { grid-template-columns: 1fr !important; }
  .metric-block + .metric-block { border-left: 0; border-top: 1px solid var(--line); }
  .content-header { align-items: flex-start; flex-wrap: wrap; gap: 14px; }
  .header-controls { flex-wrap: wrap; width: 100%; }
  .filter-bar { flex-wrap: wrap; gap: 12px; }
  .search-input-wrapper { max-width: none; width: 100%; }
  .view-toggle-btn, .time-filter-btn { padding: 10px 12px; }
}

@media (max-width: 560px) {
  .auth-card { padding: 32px 24px; }
  .auth-title { font-size: 1.75rem; }
  .data-table th:nth-child(3), .data-table td:nth-child(3) { display: none; }
  .genre-metrics { grid-template-columns: repeat(2, 1fr) !important; }
  .artists-grid, .tracks-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
}

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

/* NEW INTERACTIVE DASHBOARD AND CARD STYLES */
.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}
.analysis-range-row {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  margin: 22px 0 18px;
}
.analysis-section-title {
  color: var(--accent-bright);
  display: block;
  font: 600 0.8rem var(--mono);
  letter-spacing: 0.11em;
  margin: 26px 0 16px;
  text-transform: uppercase;
}
.analysis-range-row .analysis-section-title { margin: 0; }
.genre-metrics + .grid-layout { margin-top: 18px; }
.view-toggle {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 3px;
  gap: 2px;
  background: rgba(11, 10, 15, 0.3);
}
.view-toggle-btn {
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--muted);
  cursor: pointer;
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.view-toggle-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}
.view-toggle-btn.active {
  background: var(--accent-soft);
  color: var(--accent-bright);
  border: 1px solid rgba(170, 150, 216, 0.2);
}

.track-card {
  background: rgba(24, 21, 31, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(170, 150, 216, 0.08);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}
.track-card:hover {
  transform: translateY(-6px);
  border-color: rgba(170, 150, 216, 0.25);
  box-shadow: 0 12px 40px 0 rgba(170, 150, 216, 0.12);
}
.track-card.playing {
  border-color: var(--green);
  box-shadow: 0 0 20px rgba(86, 201, 139, 0.2);
  animation: card-pulse 2s infinite alternate ease-in-out;
}
@keyframes card-pulse {
  0% { box-shadow: 0 0 15px rgba(86, 201, 139, 0.15); }
  100% { box-shadow: 0 0 25px rgba(86, 201, 139, 0.35); }
}

.track-card-cover-container {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  overflow: hidden;
}
.track-card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.track-card:hover .track-card-cover {
  transform: scale(1.06);
}
.track-card-play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 10, 15, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(2px);
}
.track-card:hover .track-card-play-overlay,
.track-card.playing .track-card-play-overlay {
  opacity: 1;
}
.btn-play-preview {
  background: var(--accent);
  color: #110f16;
  border: none;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}
.btn-play-preview:hover {
  transform: scale(1.1);
  background: var(--accent-bright);
}
.track-card.playing .btn-play-preview {
  background: var(--green);
  color: #110f16;
}
.track-card.playing .btn-play-preview:hover {
  background: #73e5a5;
}

.track-card-rank {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(11, 10, 15, 0.75);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--accent);
  font: 600 0.85rem var(--mono);
  padding: 4px 8px;
  border-radius: 6px;
}
.track-card-details {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.track-card-title {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 4px;
}
.track-card-title:hover {
  color: var(--accent-bright);
}
.track-card-artist {
  color: var(--muted);
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 2px;
}
.track-card-album {
  color: var(--dim);
  font-size: 0.8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 12px;
}
.track-card-meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.popularity-info {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--dim);
}
.popularity-val {
  font-size: 0.8rem;
}
.track-card-duration {
  color: var(--accent);
  font: 0.8rem var(--mono);
}

.playing-equalizer {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 20px;
  width: 20px;
  background: rgba(11, 10, 15, 0.75);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px;
  border-radius: 6px;
}
.eq-bar {
  width: 3px;
  height: 100%;
  background: var(--green);
  border-radius: 1px;
}
.track-card.playing .eq-bar-1 {
  animation: eq-bounce 0.8s ease-in-out infinite alternate;
}
.track-card.playing .eq-bar-2 {
  animation: eq-bounce 1.1s ease-in-out infinite alternate;
  animation-delay: 0.15s;
}
.track-card.playing .eq-bar-3 {
  animation: eq-bounce 0.9s ease-in-out infinite alternate;
  animation-delay: 0.3s;
}
@keyframes eq-bounce {
  0% { height: 20%; }
  100% { height: 100%; }
}

/* SEARCH & FILTER BAR STYLES */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px !important;
  margin-bottom: 24px;
}
.search-input-wrapper {
  position: relative;
  flex: 1;
  max-width: 360px;
  display: flex;
  align-items: center;
}
.search-input-wrapper svg {
  position: absolute;
  left: 14px;
  color: var(--dim);
  pointer-events: none;
}
.search-input-wrapper input {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px 10px 42px;
  color: var(--text);
  font-size: 0.92rem;
  font-family: var(--sans);
  width: 100%;
  transition: all 0.3s ease;
}
.search-input-wrapper input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 12px rgba(170, 150, 216, 0.15);
}
.active-filter-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  border: 1px solid rgba(170, 150, 216, 0.3);
  border-radius: 20px;
  color: var(--accent-bright);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-family: var(--mono);
}
.active-filter-badge button {
  background: transparent;
  border: none;
  color: var(--dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  border-radius: 50%;
  transition: all 0.2s ease;
}
.active-filter-badge button:hover {
  color: var(--accent-bright);
  background: rgba(255, 255, 255, 0.1);
}

.interactive-genre-bar {
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: all 0.2s ease;
}
.interactive-genre-bar:hover {
  background: rgba(170, 150, 216, 0.08);
  transform: translateX(6px);
}
.interactive-genre-bar:hover .genre-bar-fill {
  background: var(--accent-bright);
}
.btn-spotify-link {
  color: var(--accent) !important;
  text-decoration: none;
}
.btn-spotify-link:hover {
  color: #1ed760 !important;
  background: rgba(255, 255, 255, 0.05) !important;
}

/* FLOATING CHART TOOLTIP — follows the cursor over SVG chart elements */
.chart-tooltip {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  transform: translate(-50%, -130%);
  background: rgba(11, 10, 15, 0.92);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--text);
  font: 500 0.75rem var(--mono);
  padding: 6px 10px;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.quadrant-dot {
  transition: r 0.15s ease, opacity 0.15s ease;
}
.quadrant-dot:hover {
  r: 7;
  opacity: 1;
  fill: var(--accent-bright);
}

/* NOW PLAYING */
.now-playing-badge {
  align-items: center;
  color: var(--green);
  display: flex;
  font: 600 0.7rem var(--mono);
  gap: 7px;
  letter-spacing: 0.08em;
}
.now-playing-pulse {
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(86, 201, 139, 0.6);
  height: 8px;
  width: 8px;
  animation: now-playing-pulse 1.6s infinite;
}
@keyframes now-playing-pulse {
  0% { box-shadow: 0 0 0 0 rgba(86, 201, 139, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(86, 201, 139, 0); }
  100% { box-shadow: 0 0 0 0 rgba(86, 201, 139, 0); }
}

.now-playing-info { display: flex; flex-direction: column; min-width: 0; }
.now-playing-title {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 600;
  overflow: hidden;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.now-playing-title:hover { color: var(--accent-bright); }
.now-playing-artist {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 2px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.now-playing-context {
  color: var(--dim);
  font: 0.75rem var(--mono);
  margin-top: 4px;
  min-height: 1.1em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.now-playing-progress-wrapper { margin-top: 10px; }
.now-playing-progress-bar { background: var(--line); border-radius: 3px; height: 6px; overflow: hidden; width: 100%; }
.now-playing-progress-fill { background: var(--accent); height: 100%; transition: width 0.4s linear; }
.now-playing-times {
  color: var(--dim);
  display: flex;
  font: 0.7rem var(--mono);
  justify-content: space-between;
  margin-top: 5px;
}

/* OVERVIEW — a hero row (big square cover art + info/progress/controls
   underneath it on the left, Up Next/Recently Played stacked on the right,
   matched to the art column's height) compacted to fit one screen without
   scrolling at common desktop viewport heights (~800px+). Scoped to
   #tab-overview only; other tabs keep the roomier default spacing since
   their content is variable-length anyway and benefits less from this. */
.main-content:has(#tab-overview.active) { padding-top: 8px; padding-bottom: 8px; }
.main-content:has(#tab-overview.active) .content-header { margin-bottom: 8px; }

.now-playing-hero { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
/* Capped by BOTH the grid track's width (up to half the screen) and by
   available viewport height — art is square, so unconstrained width alone
   could make it (plus the controls panel under it) taller than the
   screen. Left-aligned rather than stretched/centred once the height cap
   binds and it ends up narrower than the track. */
.now-playing-art-col { align-self: start; display: flex; flex-direction: column; gap: 6px; max-width: calc(100vh - 300px); min-width: 0; }
.now-playing-art-panel {
  aspect-ratio: 1;
  align-items: center;
  background: var(--surface);
  border: 1px solid rgba(170, 150, 216, 0.08);
  border-radius: var(--radius);
  display: flex;
  justify-content: center;
  overflow: hidden;
  width: 100%;
}
.now-playing-cover-large { height: 100%; object-fit: cover; width: 100%; }
.now-playing-art-placeholder { align-items: center; color: var(--dim); display: flex; justify-content: center; }
.now-playing-hero-info { padding: 8px 16px; }
.now-playing-hero-info .panel-heading { margin-bottom: 2px; }
.now-playing-hero-info .now-playing-title { font-size: 1.1rem; }
.now-playing-hero-info .now-playing-progress-wrapper { margin-top: 6px; }
.now-playing-hero-info .now-playing-controls { margin-top: 8px; }

.now-playing-side-col { align-self: start; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.now-playing-side-col .panel { flex: 0 0 auto; padding: 14px 16px; }

#tab-overview .panel h3 { font-size: 1rem; margin-bottom: 8px; }
#tab-overview .panel .panel-kicker { display: block; margin-bottom: 2px; }
#tab-overview .mini-track-item { padding: 4px 0 6px; }
#tab-overview .mini-track-cover { height: 34px; width: 34px; }
#tab-overview .btn-sm.margin-top { margin-top: 8px; }

@media (max-width: 900px) {
  .now-playing-hero { grid-template-columns: 1fr; }
}

/* CARD-LEVEL TIME FILTERS (Analysis cards with individual timeframe selection) */
.card-filter-container {
  display: flex;
  gap: 6px;
  justify-content: flex-start;
}

.card-time-filter-btn {
  padding: 5px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--mono);
}

.card-time-filter-btn:hover {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(170, 150, 216, 0.05);
}

.card-time-filter-btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

/* GLOBAL SEARCH TAB */
.search-type-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.search-type-btn {
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--mono);
}

.search-type-btn:hover {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(170, 150, 216, 0.05);
}

.search-type-btn.active {
  background: var(--accent-soft);
  color: var(--accent-bright);
  border-color: var(--accent);
}

#search-prompt-state,
#search-no-results {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

.btn-search-play svg { margin-left: 2px; }

/* PERSISTENT HEADER SEARCH — same look as the in-tab search box, just
   narrower and pinned in the top bar so it's reachable from any tab. */
.header-search-wrapper {
  max-width: 240px;
  flex: 0 0 auto;
}
.header-search-wrapper input { padding-top: 8px; padding-bottom: 8px; font-size: 0.85rem; }
/* Only outrank the mobile nav drawer (z-index 7) while the dropdown is
   actually open — a permanent elevated z-index here made the persistent
   search box poke through on top of the open drawer at mobile widths. */
.header-search-wrapper.search-active { z-index: 9; }

@media (max-width: 900px) {
  .header-search-wrapper { max-width: none; width: 100%; order: 10; }
}

/* Dims + blurs everything else while the header search dropdown is open —
   the wrapper sits above it (z-index 9 vs 8) so the search box and its
   dropdown stay crisp. Clicking the backdrop closes the dropdown. */
.header-search-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 10, 15, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 8;
}
.header-search-backdrop.visible { opacity: 1; pointer-events: auto; }

/* Quick-results dropdown — a compact preview under the header search box,
   distinct from the full Search tab's own results grid. Enter (or the
   footer row) hands the query off to that full page instead. */
.header-search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  max-height: 70vh;
  overflow-y: auto;
  padding: 8px;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.header-search-dropdown.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

.header-search-dropdown-group + .header-search-dropdown-group { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.header-search-dropdown-heading { color: var(--dim); font: 600 0.68rem var(--mono); letter-spacing: 0.08em; padding: 4px 8px 6px; text-transform: uppercase; }

.header-search-dropdown-row {
  align-items: center;
  border-radius: 8px;
  color: inherit;
  cursor: pointer;
  display: flex;
  gap: 10px;
  padding: 7px 8px;
  text-decoration: none;
}
.header-search-dropdown-row:hover { background: var(--surface-hover); }
.header-search-dropdown-cover { border-radius: 5px; flex-shrink: 0; height: 36px; object-fit: cover; width: 36px; }
.header-search-dropdown-info { display: flex; flex: 1; flex-direction: column; min-width: 0; }
.header-search-dropdown-title { color: var(--text); font-size: 0.85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.header-search-dropdown-subtitle { color: var(--muted); font-size: 0.75rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.header-search-dropdown-kind { color: var(--dim); flex-shrink: 0; font: 0.65rem var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }

.header-search-dropdown-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--accent-bright);
  cursor: pointer;
  display: flex;
  font: 500 0.8rem var(--mono);
  justify-content: space-between;
  margin-top: 8px;
  padding: 10px 8px 4px;
}
.header-search-dropdown-footer:hover { color: var(--accent); }
.header-search-dropdown-empty { color: var(--dim); font-size: 0.8rem; padding: 16px 8px; text-align: center; }

@media (prefers-reduced-motion: reduce) {
  .header-search-backdrop, .header-search-dropdown { transition: none; }
}