/*
 * Diseño tipo Groove Music (music-player-mockup) aplicado a la biblioteca musical.
 */

:root {
  --bg-page: #ffffff;
  --bg-sidebar: #f3f3f3;
  --bg-sidebar-active: #e8e8e8;
  --text: #1a1a1a;
  --text-muted: #6b6b6b;
  --accent: #ff7a00;
  --accent-ring: #ff8f26;
  --pause-purple: #7b61ff;
  --border-soft: #e0e0e0;
  --player-bg: #fafafa;
  --progress-track: #e5e5e5;
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  /* Tokens usados por componentes legacy de la SPA */
  --bg: var(--bg-page);
  --bg-elevated: #ffffff;
  --bg-hover: rgba(0, 0, 0, 0.06);
  --border: var(--border-soft);
  --text-dim: var(--text-muted);
  --radius: 8px;
  --player-h: 108px;
  --sidebar-w: 248px;

  /* Superficies (claro por defecto; oscuro redefine en .theme-dark) */
  --surface: #ffffff;
  --surface-hover: #f9f9f9;
  --search-border: #dedede;
  --placeholder-input: #888888;
  --hover-row: rgba(0, 0, 0, 0.04);
  --hover-control: rgba(0, 0, 0, 0.06);
  --on-accent: #ffffff;
  --cover-placeholder: #eeeeee;
  --thumb-player: #ffffff;
  --ring-inner: #ffffff;
  --danger: #c42b2b;
  --backdrop-scrim: rgba(0, 0, 0, 0.35);
  --toggle-track-off: #c8c8c8;

  /* Glass / frosted UI */
  --glass-saturate: 1.45;
  --glass-blur: 22px;
  --glass-blur-sm: 12px;
  --glass-blur-lg: 34px;
  --glass-surface: rgba(255, 255, 255, 0.4);
  --glass-surface-2: rgba(255, 255, 255, 0.52);
  --glass-surface-3: rgba(255, 255, 255, 0.62);
  --glass-border: rgba(255, 255, 255, 0.55);
  --glass-border-soft: rgba(255, 255, 255, 0.38);
  --glass-inset: inset 0 1px 0 rgba(255, 255, 255, 0.65);
  --glass-ambient: #e4e9f2;
  --glass-shadow: 0 8px 32px rgba(25, 40, 80, 0.09);
  --glass-card-shadow: 0 4px 24px rgba(25, 40, 80, 0.07);
}

html.theme-dark {
  color-scheme: dark;
  --bg-page: #1c1c1f;
  --bg-sidebar: #252528;
  --bg-sidebar-active: #34343c;
  --text: #f2f2f3;
  --text-muted: #9ca3af;
  --accent: #ff943d;
  --accent-ring: #ffb456;
  --pause-purple: #c9b8ff;
  --border-soft: #3f3f46;
  --player-bg: #222226;
  --progress-track: #45454e;
  --bg-elevated: #323238;
  --bg-hover: rgba(255, 255, 255, 0.08);
  --border: var(--border-soft);
  --text-dim: var(--text-muted);

  --surface: #34343a;
  --surface-hover: #404048;
  --search-border: #4f4f58;
  --placeholder-input: #9ca3af;
  --hover-row: rgba(255, 255, 255, 0.06);
  --hover-control: rgba(255, 255, 255, 0.1);
  --on-accent: #1a140e;
  --cover-placeholder: #2a2a32;
  --thumb-player: #f2f2f4;
  --ring-inner: #2d3038;
  --danger: #f87171;
  --backdrop-scrim: rgba(0, 0, 0, 0.55);
  --toggle-track-off: #4b4b54;

  --glass-saturate: 1.35;
  --glass-surface: rgba(32, 32, 38, 0.45);
  --glass-surface-2: rgba(26, 26, 32, 0.55);
  --glass-surface-3: rgba(20, 20, 26, 0.62);
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-border-soft: rgba(255, 255, 255, 0.09);
  --glass-inset: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  --glass-ambient: #0a0a0d;
  --glass-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --glass-card-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

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

html {
  height: 100%;
  background: var(--glass-ambient);
}

body {
  height: 100%;
  min-height: 100%;
  margin: 0;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: transparent;
  -webkit-font-smoothing: antialiased;
  position: relative;
  isolation: isolate;
}

/* Capa ambiental visible a través del vidrio */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-color: var(--glass-ambient);
  background-image:
    radial-gradient(ellipse 100% 85% at 0% 0%, rgba(255, 122, 0, 0.2), transparent 58%),
    radial-gradient(ellipse 75% 60% at 100% 5%, rgba(123, 97, 255, 0.16), transparent 52%),
    radial-gradient(ellipse 90% 65% at 45% 100%, rgba(70, 150, 190, 0.14), transparent 55%),
    radial-gradient(ellipse 50% 40% at 75% 55%, rgba(255, 200, 140, 0.1), transparent 45%);
  pointer-events: none;
}

html.theme-dark body::before {
  background-image:
    radial-gradient(ellipse 90% 70% at 8% 8%, rgba(255, 148, 61, 0.14), transparent 55%),
    radial-gradient(ellipse 70% 55% at 92% 12%, rgba(130, 110, 220, 0.12), transparent 50%),
    radial-gradient(ellipse 100% 55% at 50% 105%, rgba(40, 90, 130, 0.1), transparent 55%),
    radial-gradient(ellipse 45% 35% at 70% 45%, rgba(255, 120, 60, 0.06), transparent 45%);
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.icon--sm {
  width: 16px;
  height: 16px;
}

.icon--pause {
  width: 22px;
  height: 22px;
  color: var(--pause-purple);
}

.icon--play {
  width: 22px;
  height: 22px;
  color: var(--pause-purple);
  margin-left: 2px;
}

/* ——— Shell ——— */

.app {
  display: flex;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
  background: transparent;
}

/* ——— Sidebar (mockup + nav SPA) ——— */

.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--glass-surface);
  display: flex;
  flex-direction: column;
  padding: 16px 12px 12px;
  border-right: 1px solid var(--glass-border-soft);
  box-shadow: var(--glass-inset), 4px 0 24px rgba(0, 0, 0, 0.04);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur));
}

html.theme-dark .sidebar {
  box-shadow: var(--glass-inset), 4px 0 40px rgba(0, 0, 0, 0.35);
}

.sidebar__search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  margin-bottom: 16px;
  background: var(--glass-surface-2);
  border-radius: 999px;
  border: 1px solid var(--glass-border-soft);
  color: var(--text-muted);
  box-shadow: var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
}

.sidebar__search input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  min-width: 0;
}

.sidebar__search input::placeholder {
  color: var(--placeholder-input);
}

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

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--hover-row);
}

.nav-item--active {
  background: var(--glass-surface-3);
  font-weight: 600;
  box-shadow: var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
}

.nav-item--queue {
  margin-top: 12px;
}

.nav-item__icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-item__icon svg {
  width: 20px;
  height: 20px;
}

.nav-item > :not(.nav-item__icon) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.nav-item.nav-item--bottom {
  margin-top: auto;
  font-weight: 500;
}

.nav-item.nav-item--bottom:not(:hover):not(.nav-item--active) {
  background: transparent;
}

.nav-item--bottom .btn-text,
.nav-item--bottom.btn-text--subtle {
  color: var(--text);
}

.playlists {
  margin-top: 8px;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.playlists__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px 12px;
  border: none;
  background: transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  color: inherit;
}

.playlists__header:hover {
  background: var(--hover-row);
}

.playlists__chevron {
  transition: transform 0.2s ease;
}

.playlists--collapsed .playlists__chevron {
  transform: rotate(-90deg);
}

.playlists--collapsed .playlists__body {
  display: none;
}

.playlists__body {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
}

.playlists__list {
  list-style: none;
  margin: 0;
  padding: 4px 0 0;
  overflow-y: auto;
  flex: 0 1 auto;
}

.playlists__list li {
  margin: 2px 0;
}

.sidebar__pl button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
}

.sidebar__pl button:hover {
  background: var(--hover-row);
}

.playlists__new {
  margin-top: 4px !important;
  align-self: flex-start;
}

.theme-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 12px 8px;
  margin-top: 4px;
  border-radius: 6px;
}

.theme-toggle__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  line-height: 4.25;
}

.theme-toggle__switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
  border: 1px solid var(--glass-border-soft);
  border-radius: 999px;
  background: var(--glass-surface-2);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
  padding: 0;
  box-shadow: var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(10px);
  backdrop-filter: saturate(var(--glass-saturate)) blur(10px);
}

.theme-toggle__switch:hover {
  filter: brightness(1.06);
}

.theme-toggle__switch[aria-checked="true"] {
  background: var(--accent);
  border-color: rgba(255, 255, 255, 0.35);
}

.theme-toggle__switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.22);
  transition: transform 0.2s ease;
}

.theme-toggle__switch[aria-checked="true"]::after {
  transform: translateX(20px);
}

.theme-toggle__switch:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sidebar__logout {
  padding: 6px 12px 12px;
  margin-top: 4px;
}

.sidebar__logout-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  box-sizing: border-box;
  padding: 11px 16px;
  margin: 0;
  border: 1px solid color-mix(in srgb, var(--accent-ring) 55%, rgba(255, 255, 255, 0.85));
  border-radius: 12px;
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--accent) 65%, #ffe8a8) 0%,
    var(--accent) 48%,
    color-mix(in srgb, var(--accent) 82%, #c45a00) 100%
  );
  color: var(--on-accent);
  font-size: 14px;
  font-weight: 650;
  font-family: inherit;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.42),
    0 2px 0 color-mix(in srgb, var(--accent) 40%, transparent),
    0 10px 26px rgba(255, 122, 0, 0.3);
  transition: filter 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.sidebar__logout-btn:hover {
  filter: brightness(1.05);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    0 3px 0 color-mix(in srgb, var(--accent) 35%, transparent),
    0 12px 32px rgba(255, 122, 0, 0.36);
}

.sidebar__logout-btn:active {
  transform: translateY(1px);
  filter: brightness(0.98);
}

.sidebar__logout-btn:focus {
  outline: none;
}

.sidebar__logout-btn:focus-visible {
  outline: 2px solid var(--accent-ring);
  outline-offset: 3px;
}

.sidebar__logout-btn__icon {
  flex-shrink: 0;
  opacity: 0.92;
}

html.theme-dark .sidebar__logout-btn {
  border-color: color-mix(in srgb, var(--accent-ring) 50%, rgba(255, 255, 255, 0.18));
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--accent) 75%, #3d2e18) 0%,
    var(--accent) 45%,
    color-mix(in srgb, var(--accent) 70%, #1a140e) 100%
  );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 10px 30px rgba(255, 148, 61, 0.25);
}

html.theme-dark .sidebar__logout-btn:hover {
  filter: brightness(1.07);
}

.btn-text {
  margin-top: 8px;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-text--subtle {
  color: var(--text-muted);
  font-weight: 500;
}

.btn-text--subtle:hover {
  color: var(--text);
}

/* ——— Columna principal ——— */

.main-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--glass-surface-2);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur));
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 20px 28px 0;
}

.main-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 16px;
  margin-bottom: 16px;
}

.main-title {
  margin: 0;
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.tabs {
  display: flex;
  gap: 28px;
  justify-content: center;
  padding-top: 8px;
}

.tab {
  position: relative;
  padding: 4px 2px 12px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 15px;
  color: var(--text-muted);
}

.tab__inner {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tab__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.tab:hover {
  color: var(--text);
}

.tab--active {
  color: var(--text);
  font-weight: 600;
}

.tab--active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.btn-library {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--glass-border-soft);
  border-radius: 6px;
  background: var(--glass-surface-3);
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
  box-shadow: var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
}

.btn-library:hover {
  background: var(--glass-surface-3);
  filter: brightness(1.04);
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 18px;
}

.toolbar[hidden] {
  display: none !important;
}

.btn-shuffle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 6px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 8px 28px rgba(255, 122, 0, 0.32);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
  backdrop-filter: saturate(1.2) blur(10px);
}

.btn-shuffle:hover {
  filter: brightness(1.06);
}

html.theme-dark .btn-shuffle {
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 8px 32px rgba(255, 148, 61, 0.22);
}

.toolbar__filters {
  display: flex;
  align-items: center;
  gap: 20px;
}

.select-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.select-wrap__label {
  white-space: nowrap;
}

.select {
  padding: 6px 28px 6px 10px;
  border: 1px solid var(--glass-border-soft);
  border-radius: 6px;
  background-color: var(--glass-surface-3);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  appearance: none;
  cursor: pointer;
  color: var(--text);
  box-shadow: var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
}

html.theme-dark .select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23b0b0b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

.select--muted {
  opacity: 0.55;
  cursor: not-allowed;
}

.main-scroll,
.album-grid-scroll {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 16px;
  min-height: 0;
}

.view {
  flex: 1;
  padding: 0 0 24px;
  min-height: 40vh;
}

.view-loader {
  color: var(--text-muted);
  padding: 24px;
}

.view__header {
  margin-bottom: 16px;
}

.view__title {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.view__subtitle {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 14px;
}

.grid-tracks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 24px;
}

.grid-albums {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

.card-track {
  background: var(--glass-surface-2);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  border: 1px solid var(--glass-border-soft);
  box-shadow: var(--glass-inset), var(--glass-card-shadow);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
}

.card-track:hover {
  transform: translateY(-2px);
  box-shadow: var(--glass-inset), var(--glass-shadow);
}

.card-track__cover {
  aspect-ratio: 1;
  background: var(--cover-placeholder);
  position: relative;
}

.card-track__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-track__body {
  padding: 12px 14px 14px;
}

.card-track__title {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-track__artist {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-track__meta {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.row-track {
  display: grid;
  grid-template-columns: 28px 48px 1fr auto auto;
  align-items: center;
  gap: 14px;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.row-track__num {
  font-size: 13px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.row-track:hover {
  background: var(--glass-surface-2);
  box-shadow: var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
}

.row-track img {
  width: 48px;
  height: 48px;
  border-radius: 4px;
  object-fit: cover;
}

.track-rows {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.row-track__main {
  min-width: 0;
}

.row-track__title {
  margin: 0;
  font-weight: 600;
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-track__artist {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-track__genre {
  font-size: 12px;
  color: var(--text-muted);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row-track__dur {
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
}

.empty-state {
  color: var(--text-muted);
  padding: 48px 16px;
  text-align: center;
}

/* Scroll infinito en biblioteca — centinela bajo la cuadrícula */
.library-sentinel-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 8px 0 36px;
  min-height: 56px;
}

.library-scroll-sentinel {
  flex-shrink: 0;
  width: 100%;
  height: 1px;
  pointer-events: none;
}

.library-sentinel-loader {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--glass-surface-2);
  border: 1px solid var(--glass-border-soft);
  box-shadow: var(--glass-inset);
}

.library-sentinel-loader[hidden] {
  display: none !important;
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  padding: 24px 0;
}

.btn-load-more {
  padding: 10px 28px;
  border-radius: 8px;
  border: 1px solid var(--glass-border-soft);
  background: var(--glass-surface-3);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
  box-shadow: var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
}

.btn-load-more:hover {
  filter: brightness(1.04);
}

.card-pl {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  background: var(--glass-surface-2);
  border-radius: var(--radius);
  margin-bottom: 10px;
  border: 1px solid var(--glass-border-soft);
  box-shadow: var(--glass-inset), var(--glass-card-shadow);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
}

.card-pl__meta h3 {
  margin: 0 0 4px;
  font-size: 16px;
}

.card-pl__meta p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

.card-pl__actions {
  display: flex;
  gap: 8px;
}

.icon-btn-sm {
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--glass-border-soft);
  background: var(--glass-surface-3);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  box-shadow: var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(8px);
  backdrop-filter: saturate(var(--glass-saturate)) blur(8px);
}

.icon-btn-sm:hover {
  filter: brightness(1.05);
}

.icon-btn-sm.danger {
  color: var(--danger);
}

/* ——— Player (mockup bar) ——— */

.player {
  flex-shrink: 0;
  background: var(--glass-surface-3);
  border-top: 1px solid var(--glass-border-soft);
  padding: 0 20px 12px;
  box-shadow: 0 -4px 32px rgba(0, 0, 0, 0.06), var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-lg));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-lg));
}

html.theme-dark .player {
  box-shadow: 0 -6px 36px rgba(0, 0, 0, 0.35), var(--glass-inset);
}

.player__progress-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0 10px;
}

.player__time {
  font-size: 11px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 36px;
}

.player__time:last-child {
  text-align: right;
}

.player__progress {
  flex: 1;
  position: relative;
  height: 5px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid var(--glass-border-soft);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.06);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

html.theme-dark .player__progress {
  background: rgba(255, 255, 255, 0.06);
}

.player__progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  background: var(--accent);
  border-radius: 999px;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.player__thumb {
  position: absolute;
  left: 0%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  background: var(--thumb-player);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.12), 0 1px 4px rgba(0, 0, 0, 0.2);
  pointer-events: none;
}

.player__body {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr);
  align-items: center;
  gap: 16px;
  padding-top: 4px;
}

.player__now {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.player__now-open {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
  margin: 0;
  padding: 4px 8px 4px 4px;
  border: none;
  background: transparent;
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

.player__now-open:hover {
  background: var(--hover-row);
}

.player__now-open:focus {
  outline: none;
}

.player__now-open:focus-visible {
  outline: 2px solid var(--accent-ring);
  outline-offset: 2px;
}

.player__now-open:disabled {
  cursor: default;
  opacity: 0.58;
}

.player__now-open:disabled:hover {
  background: transparent;
}

.player__toggle {
  margin-left: auto;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  display: none;
  align-items: center;
  justify-content: center;
}

.player__thumb-art-wrap {
  flex-shrink: 0;
}

.player__cover,
.player__thumb-art {
  width: 48px;
  height: 48px;
  border-radius: 2px;
  object-fit: cover;
  display: block;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.player__meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.player__now-open .player__meta {
  text-align: left;
}

.player__song,
.player__title {
  font-size: 14px;
  font-weight: 700;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player__artist,
.player__sub {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player__genre {
  display: block;
  margin: 0;
  font-size: 11px;
  color: var(--text-muted);
}

.ctrl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.ctrl-btn:hover {
  background: var(--hover-control);
}

.ctrl-btn[aria-pressed="true"] {
  color: var(--accent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 55%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

@supports not (color: color-mix(in srgb, red, blue)) {
  .ctrl-btn[aria-pressed="true"] {
    box-shadow: inset 0 0 0 1px var(--accent-ring);
    background: var(--hover-control);
  }
}

/* Repetir: lista (resaltado) vs una canción (resaltado + «1» encima del icono) */
.ctrl-btn--repeat {
  position: relative;
}

.ctrl-repeat {
  position: relative;
  display: inline-flex;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
}

.ctrl-repeat .ctrl-repeat__svg {
  display: block;
}

.ctrl-repeat__one {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: inherit;
  opacity: 0;
  pointer-events: none;
  text-shadow: 0 0 2px var(--glass-surface-3), 0 0 1px var(--glass-surface-3);
}

#btnRepeat[data-mode="one"] .ctrl-repeat__one {
  opacity: 1;
}

/* Deja algo de aire para el «1» centrado sobre las flechas */
#btnRepeat[data-mode="one"] .ctrl-repeat__svg {
  opacity: 0.82;
}

.ctrl-btn--like.is-liked,
.ctrl-btn--like[aria-pressed="true"] {
  color: var(--accent);
  box-shadow: none;
  background: transparent;
}

.ctrl-btn--like:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#btnPlayerAddToPlaylist:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ctrl-like__icon {
  width: 19px;
  height: 19px;
  fill: transparent;
  stroke: currentColor;
}

.ctrl-btn--like.is-liked .ctrl-like__icon,
.ctrl-btn--like[aria-pressed="true"] .ctrl-like__icon {
  fill: currentColor;
  stroke: currentColor;
}

.player__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.ctrl-play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0 6px;
  border: none;
  background: none;
  cursor: pointer;
}

.ctrl-play__ring {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--glass-surface-3);
  box-shadow:
    inset 0 0 0 3px var(--accent-ring),
    var(--glass-inset),
    0 6px 20px rgba(0, 0, 0, 0.08);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-sm));
}

.ctrl-play__icon {
  display: block;
}

.ctrl-play__icon--pause {
  display: none;
}

.ctrl-play.is-playing .ctrl-play__icon--play {
  display: none;
}

.ctrl-play.is-playing .ctrl-play__icon--pause {
  display: block;
}

.player__extras {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.vol {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 140px;
}

.vol input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

/* Paneles overlays */
#queuePanel[hidden],
#queueBackdrop[hidden],
#eqPanel[hidden],
#eqBackdrop[hidden],
#playlistDialog[hidden],
#playlistDialogBackdrop[hidden],
#confirmDialog[hidden],
#confirmDialogBackdrop[hidden],
#playlistMenu[hidden],
#nowPlayingBackdrop[hidden],
#nowPlayingPanel[hidden] {
  display: none !important;
}

.backdrop {
  position: fixed;
  inset: 0;
  background: var(--backdrop-scrim);
  z-index: 60;
}

/* Vista “Now playing”: vinilo giratorio + información */
@keyframes ml-vinyl-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.now-playing-backdrop {
  z-index: 10050;
  -webkit-backdrop-filter: saturate(1.2) blur(14px);
  backdrop-filter: saturate(1.2) blur(14px);
}

.now-playing {
  position: fixed;
  inset: 0;
  z-index: 10060;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(16px + env(safe-area-inset-top)) 20px calc(28px + env(safe-area-inset-bottom));
  padding-bottom: calc(28px + var(--player-h) + env(safe-area-inset-bottom));
  pointer-events: none;
}

.now-playing__close {
  position: absolute;
  top: calc(14px + env(safe-area-inset-top));
  right: calc(14px + env(safe-area-inset-right));
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 12px;
  background: color-mix(in srgb, #0f0f12 76%, transparent);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glass-inset), 0 6px 20px rgba(0, 0, 0, 0.12);
  pointer-events: auto;
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(12px);
  backdrop-filter: saturate(var(--glass-saturate)) blur(12px);
  transition: background 0.15s ease, transform 0.15s ease;
}

.now-playing__close:hover {
  background: color-mix(in srgb, var(--surface-hover) 92%, transparent);
}

.now-playing__close:focus-visible {
  outline: 2px solid var(--accent-ring);
  outline-offset: 2px;
}

.now-playing__close-icon {
  width: 22px;
  height: 22px;
}

.now-playing__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  width: min(420px, 100%);
  pointer-events: auto;
}

.now-playing__disc-wrap {
  perspective: 800px;
}

.now-playing__disc {
  position: relative;
  width: min(72vw, 300px);
  height: min(72vw, 300px);
  margin: 0 auto;
  animation: ml-vinyl-spin 18s linear infinite;
  animation-play-state: paused;
  filter: drop-shadow(0 24px 40px rgba(0, 0, 0, 0.35));
}

.now-playing--spinning .now-playing__disc {
  animation-play-state: running;
}

.now-playing__groove-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, transparent 30.5%, rgba(8, 8, 8, 0.97) 31%, rgba(12, 12, 12, 0.99) 31.6%),
    repeating-radial-gradient(
      circle at 50% 50%,
      #141414 0,
      #141414 1.5px,
      #1e1e1e 1.5px,
      #1e1e1e 3px
    );
  box-shadow:
    inset 0 0 0 2px rgba(255, 255, 255, 0.05),
    inset 0 0 24px rgba(0, 0, 0, 0.65);
}

.now-playing__label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 44%;
  height: 44%;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 0 3px rgba(0, 0, 0, 0.88),
    inset 0 0 12px rgba(0, 0, 0, 0.35);
  background: #111;
}

.now-playing__label-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.now-playing__spindle {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  z-index: 2;
  background: radial-gradient(circle at 32% 32%, #f2f2f2, #2a2a2a 45%, #0a0a0a);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.55);
}

.now-playing__info {
  text-align: center;
  width: 100%;
  padding: 0 8px;
}

.now-playing__song {
  margin: 0 0 8px;
  font-size: clamp(1.15rem, 4vw, 1.45rem);
  font-weight: 750;
  line-height: 1.25;
  color: #fff;
  text-shadow: 0 3px 14px rgba(0, 0, 0, 0.55);
  letter-spacing: -0.02em;
}

.now-playing__artist {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.now-playing__album {
  margin: 0 0 8px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.82);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
  font-weight: 500;
}

.now-playing__meta-line {
  margin: 0;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.72);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.38);
  opacity: 0.98;
}

.now-playing__waves {
  margin: 14px auto 0;
  width: min(340px, 88vw);
  height: 44px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
}

.now-playing__wave-bar {
  --lvl: 0.12;
  width: 5px;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 188, 88, 0.98), rgba(255, 132, 32, 0.9));
  transform: scaleY(var(--lvl));
  transform-origin: 50% 100%;
  transition: transform 95ms linear, opacity 120ms ease;
  opacity: 0.94;
  box-shadow: 0 0 12px rgba(255, 150, 40, 0.32);
}

@media (prefers-reduced-motion: reduce) {
  .now-playing__disc {
    animation: none !important;
  }
}

.panel-queue {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(400px, 100vw);
  z-index: 70;
  background: var(--glass-surface-3);
  border-left: 1px solid var(--glass-border-soft);
  display: flex;
  flex-direction: column;
  box-shadow: -12px 0 48px rgba(0, 0, 0, 0.12), var(--glass-inset);
  min-height: 0;
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-lg));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-lg));
}

.panel-queue__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--glass-border-soft);
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.03);
}

html.theme-dark .panel-queue__header {
  background: rgba(0, 0, 0, 0.15);
}

.panel-queue__header h2 {
  margin: 0;
  font-size: 18px;
}

.queue-list {
  margin: 0;
  padding: 12px;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  list-style: decimal;
  list-style-position: inside;
}

.queue-list li {
  padding: 10px 8px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 14px;
}

.queue-list li.is-current {
  color: var(--accent);
  font-weight: 600;
}

.queue-list li:hover {
  background: var(--glass-surface-2);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(8px);
  backdrop-filter: saturate(var(--glass-saturate)) blur(8px);
}

#eqBackdrop {
  z-index: 63;
}

.panel-eq {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--player-h) + 12px);
  width: min(720px, calc(100vw - 20px));
  z-index: 64;
  background: var(--glass-surface-3);
  border: 1px solid var(--glass-border-soft);
  border-radius: 14px;
  box-shadow: var(--glass-shadow), var(--glass-inset);
  max-height: min(420px, 55vh);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-lg));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-lg));
}

.panel-eq__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--glass-border-soft);
  flex-shrink: 0;
}

.panel-eq__header h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}

.panel-eq__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-eq__hint {
  margin: 0;
  padding: 10px 16px 4px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.eq-bands {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  padding: 8px 16px 16px;
  overflow-x: auto;
  flex: 1;
  min-height: 0;
}

.eq-band {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.eq-band__slider-wrap {
  width: 40px;
  height: 136px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  flex-shrink: 0;
  touch-action: none;
}

.eq-band__slider {
  width: 120px;
  height: 40px;
  margin: 0;
  padding: 0;
  transform: rotate(-90deg);
  transform-origin: center center;
  accent-color: var(--accent);
  cursor: ns-resize;
}

.eq-band__hz {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}

.eq-band__db {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
}

.toast {
  position: fixed;
  bottom: calc(var(--player-h) + 24px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  padding: 12px 20px;
  background: var(--glass-surface-3);
  border: 1px solid var(--glass-border-soft);
  border-radius: 999px;
  font-size: 14px;
  box-shadow: var(--glass-shadow), var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur));
}

.card-track__add-row {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card-track__add-btn {
  font-size: 13px;
  padding: 6px 0;
}

.card-track__like-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--glass-border-soft);
  border-radius: 999px;
  background: var(--glass-surface-3);
  color: var(--text-muted);
  cursor: pointer;
  box-shadow: var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(8px);
  backdrop-filter: saturate(var(--glass-saturate)) blur(8px);
}

.card-track__like-btn:hover {
  color: var(--text);
}

.card-track__like-btn.is-liked {
  color: #e15469;
  border-color: color-mix(in srgb, #e15469 45%, var(--glass-border-soft));
  background: color-mix(in srgb, #e15469 16%, var(--glass-surface-3));
}

.card-track__like-icon {
  width: 16px;
  height: 16px;
}

.playlist-menu {
  position: fixed;
  z-index: 90;
  min-width: 220px;
  max-width: min(320px, calc(100vw - 20px));
  padding: 8px;
  border-radius: 12px;
  background: var(--glass-surface-3);
  border: 1px solid var(--glass-border-soft);
  box-shadow: var(--glass-shadow), var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur));
}

.playlist-menu__title {
  margin: 0 0 6px;
  padding: 4px 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.playlist-menu__item {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  text-align: left;
  font-size: 14px;
  cursor: pointer;
}

.playlist-menu__item:hover {
  background: var(--glass-surface-2);
}

.playlist-menu__item--create {
  color: var(--accent);
  font-weight: 600;
}

.panel-dialog {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(480px, calc(100vw - 20px));
  z-index: 91;
  background: var(--glass-surface-3);
  border: 1px solid var(--glass-border-soft);
  border-radius: 14px;
  box-shadow: var(--glass-shadow), var(--glass-inset);
  -webkit-backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-lg));
  backdrop-filter: saturate(var(--glass-saturate)) blur(var(--glass-blur-lg));
  overflow: hidden;
}

.panel-dialog__header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--glass-border-soft);
}

.panel-dialog__header h2 {
  margin: 0;
  font-size: 18px;
}

.panel-dialog__body {
  padding: 14px 16px;
}

.panel-dialog__text {
  margin: 0;
  color: var(--text);
  line-height: 1.45;
}

.panel-dialog__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 16px 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field__label {
  font-size: 13px;
  color: var(--text-muted);
}

.field__input {
  width: 100%;
  border: 1px solid var(--glass-border-soft);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
}

.field__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 26%, transparent);
}

.smart-pl-btn {
  color: var(--accent);
}

.smart-pl-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.smart-pl-label__icon {
  font-size: 13px;
  line-height: 1;
  filter: drop-shadow(0 0 4px color-mix(in srgb, var(--accent) 42%, transparent));
}

.smart-pl-label__text {
  line-height: 1.2;
}

.regular-pl-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.regular-pl-label__icon {
  font-size: 13px;
  line-height: 1;
  opacity: 0.9;
}

.regular-pl-label__text {
  line-height: 1.2;
}

@media (max-width: 1024px) {
  .main-header {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .tabs {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .btn-library {
    justify-self: start;
  }

  .player__body {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .player__now {
    justify-content: center;
    width: 100%;
  }

  .player__extras {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  /*
   * Scrollbar invisible en móvil: cobertura amplia + WebKit sin display:none
   * (Safari/iOS y algunos Chromium ignoran o fallan con display:none en ::-webkit-scrollbar).
   */
  * {
    scrollbar-width: none; /* Firefox, Chrome ≥121 */
    -ms-overflow-style: none; /* Edge legacy / IE */
  }

  *::-webkit-scrollbar {
    -webkit-appearance: none;
    appearance: none;
    width: 0;
    height: 0;
    background: transparent;
  }

  *::-webkit-scrollbar-button {
    width: 0;
    height: 0;
    -webkit-appearance: none;
    appearance: none;
  }

  *::-webkit-scrollbar-corner {
    background: transparent;
  }

  *::-webkit-scrollbar-track {
    background: transparent;
  }

  *::-webkit-scrollbar-thumb {
    background: transparent;
  }

  html,
  body {
    height: auto;
    min-height: 100dvh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  :root {
    --player-h: 104px;
  }

  .app {
    display: block;
    height: auto;
    min-height: 100dvh;
    overflow: visible;
  }

  .sidebar {
    display: none;
  }

  .main-wrap {
    min-height: calc(100dvh - var(--player-h));
    border-radius: 0;
    border: none;
    overflow: visible;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .main {
    padding: 10px 10px calc(var(--player-h) + 12px);
    overflow: visible;
  }

  .main-scroll,
  .album-grid-scroll {
    flex: 0 0 auto;
    overflow: visible;
    padding-bottom: 8px;
  }

  .main-header {
    gap: 8px;
  }

  .main-title {
    font-size: 20px;
    line-height: 1.1;
  }

  .tabs {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
  }

  .tab {
    white-space: nowrap;
  }

  .toolbar {
    gap: 8px;
  }

  .btn-library,
  #toolbarSortSelect,
  #toolbarGenreFilter {
    display: none !important;
  }

  .toolbar__filters {
    display: none !important;
  }

  .toolbar__filters {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .select-wrap {
    width: 100%;
  }

  .select {
    width: 100%;
  }

  .btn-shuffle {
    width: 100%;
    justify-content: center;
  }

  .grid-tracks {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
  }

  .grid-albums {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
  }

  .player {
    position: fixed !important;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    max-width: 100vw;
    padding-top: 6px;
    padding-bottom: calc(env(safe-area-inset-bottom, 0) + 6px);
    z-index: 9999;
  }

  .player__progress-wrap {
    gap: 6px;
    padding: 2px 8px 6px;
  }

  .player__time {
    font-size: 11px;
    min-width: 34px;
  }

  .player__body {
    gap: 4px;
    padding-top: 2px;
    padding-bottom: 2px;
  }

  .player__now {
    gap: 8px;
  }

  .player__cover,
  .player__thumb-art {
    width: 34px;
    height: 34px;
  }

  .player__meta {
    min-width: 0;
  }

  .player__song,
  .player__title {
    max-width: min(64vw, 280px);
  }

  .player__controls {
    gap: 2px;
  }

  .ctrl-btn {
    width: 36px;
    height: 36px;
  }

  .ctrl-play__ring {
    width: 46px;
    height: 46px;
  }

  .player__extras {
    display: none;
  }

  .eq-bands {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .panel-eq {
    width: calc(100vw - 12px);
    bottom: calc(var(--player-h) + 8px);
  }

  .panel-queue {
    width: min(360px, 100vw);
  }

  .toast {
    width: calc(100vw - 18px);
    text-align: center;
    bottom: calc(var(--player-h) + 14px);
  }
}

@media (max-width: 560px) {
  :root {
    --player-h: 108px;
  }

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

  .grid-tracks {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .grid-tracks .card-track {
    display: grid;
    grid-template-columns: 24px 44px minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    min-height: 0;
  }

  .grid-tracks .card-track::before {
    content: attr(data-track-num);
    font-size: 12px;
    color: var(--text-muted);
    text-align: right;
    font-variant-numeric: tabular-nums;
  }

  .grid-tracks .card-track__cover {
    width: 44px;
    height: 44px;
    margin: 0;
  }

  .grid-tracks .card-track__cover img {
    width: 44px;
    height: 44px;
  }

  .grid-tracks .card-track__body {
    display: block;
    min-width: 0;
  }

  .grid-tracks .card-track__title {
    font-size: 14px;
    margin-bottom: 1px;
  }

  .grid-tracks .card-track__artist {
    font-size: 12px;
    margin: 0;
  }

  .grid-tracks .card-track__meta {
    margin-top: 2px;
    display: flex;
    justify-content: flex-start;
    gap: 8px;
    font-size: 12px;
  }

  .grid-tracks .card-track__meta span:first-child {
    display: none;
  }

  .grid-tracks .card-track__add-row {
    display: flex;
    margin-top: 2px;
    justify-content: flex-end;
  }

  .grid-tracks .card-track__add-btn {
    display: none;
  }

  .grid-tracks .card-track__like-btn {
    width: 28px;
    height: 28px;
  }

  .card-track {
    min-height: 0;
  }

  .row-track {
    grid-template-columns: 22px 42px 1fr;
    gap: 10px;
  }

  .row-track__genre,
  .row-track__dur {
    display: none;
  }

  .player__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    padding-top: 0;
  }

  .player__now {
    display: flex !important;
    align-items: center;
    gap: 6px;
    min-width: 0;
  }

  .player__cover,
  .player__thumb-art {
    width: 30px;
    height: 30px;
    border-radius: 3px;
  }

  .player__meta {
    min-width: 0;
  }

  .player__song,
  .player__title {
    max-width: min(44vw, 190px);
    font-size: 12px;
    line-height: 1.1;
  }

  .player__artist,
  .player__sub {
    font-size: 11px;
  }

  .player__toggle {
    display: none !important;
  }

  .player__controls {
    width: auto;
    justify-content: flex-end;
    gap: 0;
  }

  #btnShuffle,
  #btnRepeat {
    display: none;
  }

  .player__genre {
    display: none;
  }

  .panel-dialog {
    width: calc(100vw - 12px);
  }

  .playlist-menu {
    min-width: 0;
    width: calc(100vw - 16px);
  }
}

@media (prefers-reduced-transparency: reduce) {
  body::before {
    opacity: 0.4;
  }

  .sidebar,
  .main-wrap,
  .player,
  .sidebar__search,
  .nav-item--active,
  .btn-library,
  .select,
  .btn-shuffle,
  .card-track,
  .row-track:hover,
  .btn-load-more,
  .card-pl,
  .icon-btn-sm,
  .player__progress,
  .ctrl-play__ring,
  .panel-queue,
  .panel-eq,
  .toast,
  .theme-toggle__switch,
  .queue-list li:hover {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
  }

  .sidebar {
    background: var(--bg-sidebar);
    box-shadow: none;
  }

  .main-wrap {
    background: var(--bg-page);
  }

  .sidebar__search {
    background: var(--surface);
    border-color: var(--search-border);
  }

  .nav-item--active {
    background: var(--bg-sidebar-active);
    box-shadow: none;
  }

  .btn-library {
    background: var(--surface);
    border-color: var(--border-soft);
  }

  .select {
    background-color: var(--surface);
    border-color: var(--border-soft);
  }

  .card-track,
  .card-pl {
    background: var(--bg-elevated);
    border-color: var(--border-soft);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  }

  .row-track:hover {
    background: var(--hover-row);
    box-shadow: none;
  }

  .btn-load-more,
  .icon-btn-sm {
    background: var(--surface);
    border-color: var(--border-soft);
    box-shadow: none;
  }

  .btn-shuffle {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
  }

  .player {
    background: var(--player-bg);
    box-shadow: none;
  }

  html.theme-dark .player {
    box-shadow: none;
  }

  .player__progress {
    background: var(--progress-track);
    border: none;
    box-shadow: none;
  }

  html.theme-dark .player__progress {
    background: var(--progress-track);
  }

  .ctrl-play__ring {
    background: var(--ring-inner);
    box-shadow: inset 0 0 0 3px var(--accent-ring);
  }

  .panel-queue {
    box-shadow: -8px 0 28px rgba(0, 0, 0, 0.12);
  }

  .panel-queue,
  .panel-eq,
  .toast {
    background: var(--surface);
    border-color: var(--border-soft);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
  }

  .theme-toggle__switch {
    background: var(--toggle-track-off);
    border: none;
    box-shadow: none;
  }

  .theme-toggle__switch[aria-checked="true"] {
    border-color: transparent;
  }

  .queue-list li:hover {
    background: var(--hover-row);
  }

  html.theme-dark .toast,
  html.theme-dark .panel-queue,
  html.theme-dark .panel-eq {
    box-shadow: 0 8px 36px rgba(0, 0, 0, 0.4);
  }
}