:root {
  --bg: #0a0a0b;
  --bg-elevated: #121316;
  --panel: rgba(24, 26, 31, 0.9);
  --panel-strong: rgba(33, 36, 43, 0.95);
  --panel-soft: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f7fb;
  --text-dim: #aab1bd;
  --text-muted: #7f8794;
  --accent: #1ed760;
  --accent-strong: #1fdf64;
  --danger: #ff6b6b;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.38);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family:
    "SF Pro Display",
    "SF Pro Text",
    "Segoe UI",
    Inter,
    system-ui,
    sans-serif;
  background:
    radial-gradient(circle at top left, rgba(30, 215, 96, 0.18), transparent 24%),
    radial-gradient(circle at top right, rgba(70, 95, 255, 0.18), transparent 28%),
    linear-gradient(180deg, #111214 0%, #090909 100%);
}

.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(4, 5, 7, 0.7);
  backdrop-filter: blur(16px);
}

.auth-overlay[hidden] {
  display: none;
}

.auth-card {
  width: min(100%, 420px);
  display: grid;
  gap: 20px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)),
    var(--panel);
  box-shadow: var(--shadow);
}

.auth-card-head,
.player-userbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-error {
  color: #ffb0b0;
}

.player-user-field {
  display: grid;
  gap: 4px;
}

.player-user-label {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.desktop-shell {
  max-width: 1320px;
  margin: 0 auto;
  padding: 28px 18px 80px;
}

.player-stack {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.window {
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02)),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  overflow: hidden;
}

.player-window {
  grid-column: 1;
}

.playlist-window {
  grid-column: 2;
}

.manager-window {
  grid-column: 1 / -1;
}

.window-titlebar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 22px 0;
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.window-titlebar-clickable {
  cursor: pointer;
  user-select: none;
}

.window-titlebar-clickable:hover {
  color: #ffffff;
}

.window-titlebar-clickable:focus-visible {
  outline: 2px solid rgba(30, 215, 96, 0.6);
  outline-offset: -4px;
}

.titlebar-indicator {
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.window-body {
  padding: 18px 22px 22px;
}

.player-face,
.manager-body {
  display: grid;
  gap: 16px;
}

.brand-panel {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  align-items: center;
}

.brand-mark {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.2), transparent 45%),
    linear-gradient(135deg, #1ed760 0%, #11883c 100%);
  color: #08160d;
  font-size: 2rem;
  font-weight: 800;
  box-shadow: 0 16px 28px rgba(30, 215, 96, 0.22);
}

.brand-copy {
  display: grid;
  gap: 4px;
}

.brand-copy strong {
  font-size: 1.35rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.brand-copy span {
  color: var(--text-dim);
  font-size: 0.92rem;
}

.player-display-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 118px;
  gap: 12px;
}

.display-panel,
.time-panel,
.meta-badge,
.manager-list,
.playlist-list {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel-strong);
}

.display-panel {
  min-height: 150px;
  padding: 18px;
  display: grid;
  align-content: end;
  gap: 8px;
  background:
    linear-gradient(160deg, rgba(30, 215, 96, 0.08), transparent 46%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02)),
    var(--panel-strong);
}

.display-panel h3 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.track-header-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.track-header-copy {
  min-width: 0;
}

.display-panel .muted {
  color: var(--text-dim);
}

.time-panel {
  min-height: 150px;
  padding: 16px;
  display: grid;
  gap: 14px;
  align-content: space-between;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 34px;
  border-radius: 999px;
  background: rgba(30, 215, 96, 0.16);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.time-readout {
  display: grid;
  gap: 10px;
  font-variant-numeric: tabular-nums;
  font-size: 1.05rem;
  color: var(--text);
}

.slider-shell {
  padding-top: 4px;
}

.progress-slider {
  width: 100%;
  appearance: none;
  background: transparent;
  height: 24px;
  cursor: pointer;
  --progress-percent: 0%;
}

.progress-slider::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background:
    linear-gradient(
      90deg,
      var(--accent) 0%,
      var(--accent) var(--progress-percent),
      rgba(255, 255, 255, 0.12) var(--progress-percent),
      rgba(255, 255, 255, 0.12) 100%
    );
}

.progress-slider::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  margin-top: -6px;
  border: none;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.progress-slider::-moz-range-track {
  height: 6px;
  border: none;
  border-radius: 999px;
  background:
    linear-gradient(
      90deg,
      var(--accent) 0%,
      var(--accent) var(--progress-percent),
      rgba(255, 255, 255, 0.12) var(--progress-percent),
      rgba(255, 255, 255, 0.12) 100%
    );
}

.progress-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.transport-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.button {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  padding: 10px 14px;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 120ms ease,
    background-color 120ms ease,
    border-color 120ms ease;
}

.button:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.button-player {
  min-height: 48px;
  font-size: 0.95rem;
}

.button-player-primary {
  background: var(--accent);
  border-color: transparent;
  color: #08160d;
}

.button-player-primary:hover {
  background: var(--accent-strong);
}

.button-player-danger {
  background: rgba(255, 107, 107, 0.14);
  color: #ffd5d5;
  border-color: rgba(255, 107, 107, 0.22);
}

.button-player-danger:hover {
  background: rgba(255, 107, 107, 0.22);
}

.button-mini,
.button-small {
  padding: 8px 12px;
  font-size: 0.84rem;
}

.mini-controls,
.playlist-item-actions,
.manager-actions,
.manager-row-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.stream-status-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
}

#browser-audio {
  display: none;
}

.helper-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.84rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.helper-link.is-disabled {
  color: var(--text-muted);
  pointer-events: none;
}

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  font-size: 0.84rem;
}

.toggle-label input {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

.playlist-toolbar,
.manager-toolbar,
.manager-filters {
  display: grid;
  gap: 12px;
}

.playlist-toolbar {
  grid-template-columns: auto 1fr;
  align-items: center;
  margin-bottom: 12px;
}

.playlist-toolbar-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  color: var(--text);
  font-size: 0.82rem;
  white-space: nowrap;
}

.helper-text,
.muted {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.playlist-list,
.manager-list {
  padding: 8px;
  display: grid;
  gap: 8px;
}

.playlist-list {
  max-height: 560px;
  overflow: auto;
}

.playlist-item,
.manager-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid transparent;
}

.playlist-item {
  grid-template-columns: minmax(0, 1fr) auto;
}

.playlist-item-clickable {
  cursor: pointer;
  transition:
    transform 120ms ease,
    background-color 120ms ease,
    border-color 120ms ease;
}

.playlist-item-clickable:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-strong);
}

.playlist-item-clickable:focus-visible {
  outline: 2px solid rgba(30, 215, 96, 0.6);
  outline-offset: 2px;
}

.playlist-item-active,
.manager-row-selected {
  background: rgba(30, 215, 96, 0.12);
  border-color: rgba(30, 215, 96, 0.22);
}

.playlist-item-title,
.manager-row-title,
.manager-panel-head h3 {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.35;
}

.playlist-item-meta,
.manager-row-meta {
  margin: 4px 0 0;
  color: var(--text-dim);
  font-size: 0.84rem;
  line-height: 1.45;
}

.preference-controls {
  display: inline-flex;
  gap: 8px;
  margin-top: 0;
  align-self: center;
}

.preference-controls-compact {
  margin-top: 0;
}

.pref-button {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 120ms ease,
    border-color 120ms ease,
    background-color 120ms ease,
    color 120ms ease;
}

.pref-button:hover {
  transform: translateY(-1px);
}

.pref-button.is-active {
  color: #ffffff;
}

.pref-like.is-active {
  background: rgba(30, 215, 96, 0.22);
  border-color: rgba(30, 215, 96, 0.55);
  color: #7dffab;
}

.pref-dislike.is-active {
  background: rgba(255, 107, 107, 0.2);
  border-color: rgba(255, 107, 107, 0.52);
  color: #ff9090;
}

.pref-button:focus-visible {
  outline: 2px solid rgba(30, 215, 96, 0.45);
  outline-offset: 2px;
}

.window-collapsed .window-body {
  display: none;
}

.manager-toolbar {
  grid-template-columns: minmax(220px, 1.2fr) auto auto;
  align-items: end;
}

.manager-filters {
  grid-template-columns: minmax(180px, 1.2fr) minmax(160px, 1fr) 120px 120px 160px 170px auto;
  align-items: end;
}

.manager-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(320px, 1.3fr) minmax(220px, 0.95fr);
  gap: 14px;
}

.manager-panel {
  display: grid;
  gap: 10px;
}

.manager-field {
  display: grid;
  gap: 6px;
  color: var(--text-dim);
  font-size: 0.82rem;
}

.manager-toggle {
  min-height: 44px;
  justify-content: flex-start;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 10px 14px;
  font: inherit;
}

input::placeholder {
  color: var(--text-muted);
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(30, 215, 96, 0.5);
  box-shadow: 0 0 0 3px rgba(30, 215, 96, 0.14);
}

.manager-list {
  min-height: 260px;
  max-height: 360px;
  overflow: auto;
}

.manager-row-selectable {
  grid-template-columns: auto minmax(0, 1fr) auto;
  cursor: pointer;
}

.manager-checkbox {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent);
}

.manager-checkbox-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 1100px) {
  .player-stack {
    grid-template-columns: 1fr;
  }

  .player-window,
  .playlist-window,
  .manager-window {
    grid-column: 1;
  }

  .manager-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .desktop-shell {
    padding: 14px 12px 36px;
  }

  .window {
    border-radius: 22px;
  }

  .window-titlebar,
  .window-body {
    padding-left: 16px;
    padding-right: 16px;
  }

  .player-display-wrap,
  .manager-toolbar,
  .manager-filters,
  .playlist-toolbar {
    grid-template-columns: 1fr;
  }

  .brand-panel {
    grid-template-columns: 56px 1fr;
  }

  .brand-mark {
    width: 56px;
    height: 56px;
    font-size: 1.6rem;
    border-radius: 16px;
  }

  .display-panel {
    min-height: 128px;
  }

  .time-panel {
    min-height: auto;
  }

  .transport-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .playlist-item,
  .manager-row {
    grid-template-columns: 1fr;
  }

  .track-header-row {
    grid-template-columns: 1fr;
  }

  .manager-row-actions .button {
    width: 100%;
  }
}