:root {
  --color-primary: #3b82f6;
  --color-primary-rgb: 59, 130, 246;
  --color-primary-dark: #2563eb;
  --color-secondary: #3b82f6;
  --color-secondary-rgb: 59, 130, 246;
}

* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: hidden;
}

html.detail-view-open {
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  background: #0b1014;
  color: #ffffff;
}

body.detail-view-open {
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

button {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  padding-bottom: 92px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(10, 14, 18, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: inherit;
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-logo {
  display: block;
  width: 70px;
  height: 70px;
  object-fit: contain;
}

.brand-fm {
  margin-left: 2px;
  color: var(--color-primary);
  font-size: 0.72em;
  letter-spacing: 0.06em;
  vertical-align: super;
}

.top-nav {
  display: flex;
  gap: 8px;
}

.top-nav-button {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.75);
  cursor: pointer;
}

.top-nav-button.active,
.top-nav-button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.settings-menu {
  position: relative;
  flex: 0 0 auto;
}

.settings-menu-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  list-style: none;
  white-space: nowrap;
}

.settings-menu-button::-webkit-details-marker {
  display: none;
}

.settings-menu-button:hover,
.settings-menu[open] .settings-menu-button {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.settings-menu-button > span:first-child {
  font-size: 1.15rem;
}

.settings-panel {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 30;
  width: min(320px, calc(100vw - 32px));
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(15, 22, 29, 0.98);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

.settings-panel h2 {
  margin: 0 0 16px;
  font-size: 1.05rem;
}

.settings-group {
  display: grid;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.settings-group h3 {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.settings-group .normalization-toggle {
  font-size: 0.9rem;
}

.settings-group .normalization-status {
  white-space: normal;
}

.settings-action-button {
  width: 100%;
  min-height: 40px;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.16);
  color: #fff;
  cursor: pointer;
  text-align: left;
}

.app-devices {
  display: grid;
  gap: 8px;
}

.app-device {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.8rem;
}

.app-device button {
  border: 0;
  background: transparent;
  color: #fca5a5;
  cursor: pointer;
}

.native-login-screen[hidden] {
  display: none;
}

.native-login-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(ellipse at 50% 0, rgba(59, 130, 246, 0.2), transparent 55%),
    #0b1014;
}

.native-login-card {
  width: min(100%, 420px);
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  background: #10171e;
}

.native-login-logo {
  display: block;
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  object-fit: contain;
}

.native-login-card h1 {
  margin: 0;
  font-size: 1.5rem;
  text-align: center;
}

.native-login-card > p {
  color: #aab4bf;
  line-height: 1.5;
}

.native-login-card form {
  display: grid;
  gap: 12px;
}

.native-login-card input {
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  font: inherit;
  font-size: 1rem;
}

.native-login-card button {
  min-height: 48px;
  border: 0;
  border-radius: 10px;
  background: #3b82f6;
  color: #fff;
  font: inherit;
  font-weight: 750;
}

#native-login-feedback {
  min-height: 1.4em;
  margin: 0;
  color: #fca5a5;
  font-size: 0.9rem;
}

[hidden] {
  display: none !important;
}

.topbar-search {
  width: min(420px, 100%);
}

.topbar-search input {
  width: 100%;
  max-width: 100%;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

.add-track-button {
  width: 175px;
  padding: 11px 18px;
  border-radius: 999px;
  border: none;
  background: var(--color-primary);
  color: #081214;
  cursor: pointer;
  font-weight: 700;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(8, 12, 18, 0.9);
  z-index: 50;
}

.modal-backdrop.visible {
  display: flex;
}

.drag-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(8, 12, 18, 0.85);
  z-index: 80;
  pointer-events: none;
}

.drag-overlay.visible {
  display: flex;
}

.drag-overlay-box {
  width: 100%;
  max-width: 480px;
  padding: 48px;
  border: 3px dashed var(--color-secondary);
  border-radius: 28px;
  background: rgba(var(--color-secondary-rgb), 0.08);
  text-align: center;
}

.drag-overlay-icon {
  font-size: 3rem;
  color: var(--color-secondary);
  margin-bottom: 12px;
}

.drag-overlay-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.drag-overlay-subtitle {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
}

.modal-dialog {
  width: 100%;
  max-width: 540px;
  background: rgba(15, 22, 29, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-size: 1.2rem;
  cursor: pointer;
}

.modal-dialog h2 {
  margin: 0 0 18px;
}

.modal-dialog-wide {
  max-width: 720px;
}

.bulk-upload-list {
  max-height: 340px;
  overflow-y: auto;
  margin: 16px 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
}

.bulk-upload-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.bulk-upload-row:last-child {
  border-bottom: none;
}

.bulk-upload-row input[type="text"] {
  width: 100%;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  font-size: 0.85rem;
}

.bulk-upload-status {
  font-size: 0.8rem;
  white-space: nowrap;
  min-width: 90px;
  text-align: right;
  color: rgba(255, 255, 255, 0.5);
}

.bulk-upload-status.uploading {
  color: var(--color-secondary);
}

.bulk-upload-status.success {
  color: var(--color-secondary);
}

.bulk-upload-status.error {
  color: var(--color-primary);
}

.bulk-upload-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.bulk-upload-summary {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.confirmation-dialog {
  max-width: 430px;
}

.confirmation-message {
  margin: 0;
  color: #b3b3b3;
  line-height: 1.5;
}

.confirmation-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 26px;
}

.confirmation-cancel {
  background: rgba(255, 255, 255, 0.09);
  color: #fff;
}

.confirmation-delete {
  background: #e94b4b;
  color: #fff;
}

.content-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  flex: 1;
  padding: 24px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-header h2 {
  margin: 0;
  font-size: 0.95rem;
  color: #b3b3b3;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.playlist-create {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #081214;
  border: none;
  cursor: pointer;
}

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

.playlist-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  text-align: left;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  color: #e4e4e4;
  cursor: pointer;
}

.playlist-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px;
  gap: 4px;
  align-items: center;
}

.playlist-row .playlist-item {
  width: 100%;
}

.playlist-menu-button {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 50%;
  background: transparent;
  color: #b3b3b3;
  font-size: 1.2rem;
  opacity: 0;
}

.playlist-row:hover .playlist-menu-button,
.playlist-menu-button:focus-visible {
  opacity: 1;
  background: rgba(255, 255, 255, 0.08);
}

.playlist-empty,
.playlist-menu-empty,
.empty-state {
  color: #b3b3b3;
}

.playlist-empty,
.playlist-menu-empty,
.empty-state {
  margin: 8px 0;
  font-size: 0.9rem;
}

.playlist-item.active,
.playlist-row.active .playlist-item,
.playlist-item:hover,
.playlist-row:hover .playlist-item {
  background: rgba(255, 255, 255, 0.08);
}

.main-view {
  display: grid;
  gap: 20px;
}

.upload-card,
.tracks-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 26px;
}

.upload-card h2,
.tracks-card h2 {
  margin: 0 0 18px;
  font-size: 1.2rem;
}

label {
  display: block;
  margin-bottom: 14px;
  font-size: 0.92rem;
  color: #b3b3b3;
}

input[type="text"],
input[type="search"] {
  width: 100%;
  margin-top: 8px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

input[type="file"] {
  display: flex;
  align-items: center;
  width: 100%;
  margin-top: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

input[type="file"]::file-selector-button,
input[type="file"]::-webkit-file-upload-button {
  margin-right: 14px;
  padding: 10px 18px;
  border-radius: 999px;
  border: none;
  background: var(--color-primary);
  color: #081214;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

input[type="file"]::file-selector-button:hover,
input[type="file"]::-webkit-file-upload-button:hover {
  opacity: 0.85;
}

input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 12px 18px;
  background: var(--color-primary);
  color: #081214;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  filter: brightness(1.05);
}

.feedback {
  margin-top: 14px;
  min-height: 24px;
  color: #b3b3b3;
}

.tracks-header {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}

.track-count {
  color: #b3b3b3;
}

.tracks-list {
  display: grid;
  gap: 8px;
}

.track-table-header {
  display: grid;
  grid-template-columns: 40px 54px minmax(300px, 2fr) minmax(180px, 1fr) minmax(
      140px,
      1fr
    ) 50px 40px;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #b3b3b3;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.track-table-header > :first-child {
  text-align: center;
}

.track-card {
  display: grid;
  grid-template-columns: 40px 54px minmax(300px, 2fr) minmax(180px, 1fr) minmax(
      140px,
      1fr
    ) 50px 40px;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

.track-art {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.06);
}

.track-art img,
.player-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.track-art img {
  border-radius: inherit;
}

.track-art-icon {
  font-size: 1.1rem;
  color: #b3b3b3;
}

.track-title-cell {
  display: grid;
  gap: 4px;
}

.track-name {
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-card-meta {
  color: #b3b3b3;
  font-size: 0.88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-album,
.track-date,
.track-duration {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-card .track-number {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: #b3b3b3;
  font-size: 0.88rem;
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease;
  position: relative;
}

.track-number-text {
  position: absolute;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.track-number-play {
  position: absolute;
  opacity: 0;
  font-size: 0.65rem;
  transition: opacity 0.2s ease;
}

.track-number-play,
.track-number-text {
  line-height: 1;
}

.track-card:hover .track-number {
  background: rgba(var(--color-secondary-rgb), 0.8);
  color: #ffffff;
}

.track-card:hover .track-number-text {
  opacity: 0;
}

.track-card:hover .track-number-play {
  opacity: 1;
}

.track-menu-button {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.04);
  color: #b3b3b3;
  font-size: 1.25rem;
  cursor: pointer;
  transition:
    background 0.2s ease,
    opacity 0.2s ease;
  opacity: 0;
}

.track-card:hover .track-menu-button {
  opacity: 1;
  background: rgba(255, 255, 255, 0.1);
}

.track-menu-button:hover {
  background: rgba(255, 255, 255, 0.15);
}

.track-options-menu {
  position: fixed;
  z-index: 100;
  min-width: 200px;
  background: rgba(15, 22, 29, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  padding: 8px 0;
  max-height: 80vh;
  overflow-y: auto;
}

.track-options-menu.hidden {
  display: none;
}

.track-options-item {
  width: 100%;
  border: none;
  background: transparent;
  color: #ffffff;
  text-align: left;
  padding: 12px 16px;
  font-size: 0.95rem;
  cursor: pointer;
}

.track-options-item:hover {
  background: rgba(255, 255, 255, 0.06);
}

.track-options-item--danger {
  color: #f25656;
}

.track-options-item.hidden {
  display: none;
}

.queue-menu {
  width: min(360px, calc(100vw - 24px));
}

.queue-menu-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 14px 8px 16px;
  color: #ffffff;
  font-size: 0.9rem;
}

.queue-menu-row > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-menu-row small {
  display: block;
  overflow: hidden;
  color: #9aa4ad;
  text-overflow: ellipsis;
}

.queue-remove {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #b3b3b3;
  cursor: pointer;
  font-size: 1.2rem;
}

.queue-remove:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.playlist-submenu-header {
  padding: 8px 16px 6px;
  color: #b3b3b3;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.track-date,
.track-duration,
.track-album {
  color: #b3b3b3;
  font-size: 0.9rem;
}

.track-card.selected {
  background: rgba(255, 255, 255, 0.08);
}

.track-card.active {
  background: rgba(var(--color-secondary-rgb), 0.12);
  border-color: rgba(var(--color-secondary-rgb), 0.24);
}

.track-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.16);
}

.player-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  width: 100%;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(420px, 2fr) minmax(
      200px,
      1fr
    );
  grid-template-rows: 2fr;
  align-items: center;
  gap: 24px;
  padding: 14px 24px;
  background: rgba(20, 24, 28, 0.98);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.player-left,
.player-center,
.player-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.player-cover {
  width: 56px;
  height: 56px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #b3b3b3;
  font-size: 1.3rem;
}

.player-left {
  min-width: 240px;
  cursor: pointer;
  touch-action: pan-y;
}

.player-info {
  margin: 0;
  color: #ffffff;
  font-size: 0.95rem;
}

.player-quality {
  font-size: 0.75rem;
  color: #b3b3b3;
  margin-top: 4px;
  min-height: 16px;
}

.player-quality.lossless {
  color: var(--color-secondary);
  font-weight: 600;
}

.player-quality.very_high {
  color: var(--color-secondary);
}

.player-quality.high {
  color: var(--color-secondary);
}

.player-quality.medium {
  color: #f6b93b;
}

.player-quality.low {
  color: #f25656;
}

.player-artist {
  font-size: 0.9rem;
  color: #bfbfbf;
  margin-top: 4px;
}

.playback-status {
  color: #fca5a5;
  font-size: 0.8rem;
  margin-top: 4px;
}

.player-quality-subtle {
  font-size: 0.75rem;
  color: #9aa4ad;
  opacity: 0.9;
}

.player-quality-wrap {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 100px;
}

.footer-button {
  font-size: 1.05rem;
}

/* Shuffle icon (inline SVG), styled as a white icon (not emoji) */
#shuffle-track {
  color: #ffffff;
  padding: 10px 14px;
  text-transform: none;
  line-height: 0;
}

#shuffle-track svg {
  display: block;
  width: 18px;
  height: 18px;
}

#shuffle-track:hover,
#shuffle-track.active {
  background: rgba(var(--color-secondary-rgb), 0.95);
  color: #081214;
}

#edit-track-modal .modal-dialog {
  max-width: 520px;
}

#edit-track-modal label {
  display: block;
  margin-bottom: 14px;
}

#edit-track-modal input[type="text"],
#edit-track-modal input[type="file"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

.upload-submit {
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  color: #081214;
  border: none;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
}

#upload-done-button,
#bulk-upload-done {
  display: none !important;
}

.player-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 10px;
}

.player-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.footer-button {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  cursor: pointer;
  font-size: 1.05rem;
  line-height: 1;
  padding: 0;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  transition: transform 140ms ease, background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.footer-button:hover,
.footer-button:focus {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

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

#shuffle-track {
  color: #ffffff;
  padding: 10px 14px;
  text-transform: none;
  line-height: 0;
}

#shuffle-track.active,
#shuffle-track:hover {
  background: rgba(var(--color-secondary-rgb), 0.95);
  color: #081214;
  border-color: transparent;
}

.footer-progress {
  display: grid;
  width: 100%;
  gap: 10px;
}

.progress-wrapper {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.progress-bar,
.volume-slider {
  width: 100%;
  appearance: none;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}

.progress-bar::-moz-range-track,
.volume-slider::-moz-range-track {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

.progress-bar::-webkit-slider-runnable-track,
.volume-slider::-webkit-slider-runnable-track {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

.progress-bar::-webkit-slider-thumb,
.volume-slider::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--color-primary);
  cursor: pointer;
}

.progress-bar::-moz-range-thumb,
.volume-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--color-primary);
  cursor: pointer;
}

.player-right {
  justify-content: flex-end;
}

.queue-button {
  position: relative;
  flex: 0 0 auto;
  font-size: 1.25rem;
}

.queue-count {
  position: absolute;
  top: -4px;
  right: -5px;
  display: grid;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  place-items: center;
  border-radius: 999px;
  background: var(--color-primary);
  color: #081214;
  font-size: 0.65rem;
  font-weight: 700;
}

.normalization-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #b3b3b3;
  font-size: 0.75rem;
  white-space: nowrap;
}

.normalization-toggle input {
  accent-color: var(--color-primary);
}

.normalization-status {
  color: #f6b93b;
  font-size: 0.7rem;
}

.volume-label {
  color: #b3b3b3;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.volume-slider {
  max-width: 140px;
}

@media (min-width: 1051px) and (max-width: 1200px) {
  .player-footer {
    grid-template-columns: minmax(180px, 1fr) minmax(340px, 1.6fr) minmax(340px, 1fr);
    gap: 12px;
    padding: 12px 16px;
  }

  .player-right {
    gap: 10px;
  }

  .volume-slider {
    max-width: 90px;
  }
}

@media (max-width: 1050px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: 2;
  }

  .main-view {
    order: 1;
  }

  .player-footer {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .player-center {
    width: 100%;
  }

  .player-right {
    justify-content: space-between;
    width: 100%;
  }
}

@media (max-width: 720px) {
  .topbar {
    flex-wrap: wrap;
    gap: 12px;
  }

  .topbar-search input {
    width: 100%;
  }

  .player-footer {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .player-center,
  .player-right,
  .player-left {
    width: 100%;
  }

  .player-detail-sheet {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    justify-content: stretch;
    align-items: stretch;
    background: rgb(var(--detail-artwork-rgb, 18, 20, 24));
    padding: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overscroll-behavior: contain;
    transition: opacity 220ms ease, visibility 220ms ease;
  }

  .player-detail-sheet.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .player-detail-content {
    width: 100%;
    max-width: none;
    height: 100%;
    max-height: 100dvh;
    overflow-y: auto;
    overscroll-behavior: contain;
    border-radius: 0;
    background:
      linear-gradient(
        180deg,
        rgba(var(--detail-artwork-rgb, 18, 20, 24), 0.84) 0%,
        rgba(var(--detail-artwork-rgb, 18, 20, 24), 0.52) 32%,
        rgba(18, 20, 24, 0.98) 78%
      ),
      #121418;
    border: 0;
    box-shadow: none;
    padding: max(52px, env(safe-area-inset-top)) 12px calc(24px + env(safe-area-inset-bottom));
    position: relative;
    display: grid;
    gap: 18px;
    opacity: 0;
    transition: opacity 220ms ease;
  }

  .player-detail-sheet.visible .player-detail-content {
    opacity: 1;
  }

  .player-detail-sheet.is-dragging .player-detail-content {
    transition: none;
    transform: translateY(var(--detail-drag-y, 0px));
  }

  .player-detail-topbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .detail-sheet-handle {
    position: absolute;
    top: 14px;
    left: 50%;
    width: 44px;
    height: 5px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.52);
    transform: translateX(-50%);
    touch-action: none;
    cursor: grab;
  }

  .detail-sheet-handle span {
    display: block;
    width: 100%;
    height: 100%;
  }

  .detail-sheet-close {
    position: absolute;
    top: 8px;
    right: 12px;
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-size: 1.8rem;
    cursor: pointer;
  }

  .detail-track-cover {
    width: min(100%, 46dvh);
    aspect-ratio: 1;
    justify-self: center;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.08);
    display: grid;
    place-items: center;
    color: #ffffff;
    font-size: 3rem;
    overflow: hidden;
  }

  .detail-track-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .detail-track-meta {
    text-align: center;
    color: #ffffff;
  }

  .detail-track-meta h2 {
    margin: 0;
    font-size: 1.3rem;
  }

  .detail-track-meta p {
    margin: 8px 0 0;
    color: #b3b3b3;
    font-size: 0.95rem;
  }

  .detail-progress {
    display: grid;
    gap: 10px;
  }

  .detail-time-row {
    display: flex;
    justify-content: space-between;
    color: #b3b3b3;
    font-size: 0.95rem;
  }

  .detail-progress-bar {
    width: 100%;
  }

  .player-detail-controls {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0;
  }

  .player-detail-controls .footer-button {
    display: inline-flex;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border: 0;
    background: transparent;
    box-shadow: none;
    color: #ffffff;
    font-size: 0.9rem;
  }

  .player-detail-controls .footer-button:hover,
  .player-detail-controls .footer-button:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    transform: none;
  }

  .player-detail-controls #detail-play-pause {
    width: 58px;
    height: 58px;
    border: 0;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    color: rgb(var(--detail-artwork-rgb, 18, 20, 24));
    font-size: 1.2rem;
  }

  .player-detail-controls #detail-play-pause:hover,
  .player-detail-controls #detail-play-pause:focus-visible {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.04);
  }

  .player-detail-controls .detail-shuffle-button,
  .player-detail-controls .detail-repeat-button {
    position: relative;
    width: 40px;
    height: 40px;
    padding: 0;
  }

  .player-detail-controls .detail-shuffle-button svg,
  .player-detail-controls .detail-repeat-button svg {
    display: block;
    width: 20px;
    height: 20px;
  }

  .player-detail-controls #detail-shuffle-track.active {
    color: var(--color-primary);
  }

  .player-detail-controls #detail-repeat-track.active {
    color: var(--color-primary);
  }

  .repeat-one-indicator {
    position: absolute;
    right: 4px;
    bottom: 2px;
    font-size: 0.55rem;
    font-weight: 800;
    line-height: 1;
  }

  .player-detail-controls #detail-repeat-track.active .repeat-one-indicator {
    color: var(--color-primary);
  }

  .player-detail-bottom-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: auto;
    padding-top: 8px;
  }

  .detail-queue-button {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: rgba(255, 255, 255, 0.88);
    cursor: pointer;
  }

  .detail-queue-button:hover,
  .detail-queue-button:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    outline: none;
  }

  .queue-menu {
    z-index: 10001;
  }

  .progress-wrapper {
    grid-template-columns: 1fr;
  }

  .progress-wrapper span {
    display: inline-block;
  }
}

/* Mobile-first listening view: compact navigation, playlist chips and mini-player. */
@media (max-width: 720px) {
  body {
    height: 100dvh;
    overflow: hidden;
  }

  .home-scroll {
    height: 100%;
    overflow-y: auto;
    overscroll-behavior-y: contain;
  }

  body {
    background: #101010;
  }
  .app-shell {
    min-height: 100%;
    padding-bottom: 76px;
  }
  .topbar {
    position: sticky;
    padding: 14px 16px 12px;
    gap: 14px;
    flex-wrap: wrap;
    background: rgba(16, 16, 16, 0.96);
  }
  .topbar-left,
  .topbar-right {
    width: 100%;
  }
  .topbar-left {
    justify-content: space-between;
  }
  .brand {
    font-size: 2rem;
    letter-spacing: 0.04em;
    text-transform: none;
  }
  .brand-logo {
    width: 70px;
    height: 70px;
  }
  .top-nav {
    display: none;
  }
  .topbar-right {
    gap: 10px;
  }
  .settings-menu {
    margin-left: auto;
  }
  .settings-menu-button {
    display: grid;
    width: 44px;
    height: 44px;
    padding: 0;
    font-size: 0;
    line-height: 1;
    place-items: center;
    text-align: center;
  }
  .settings-menu-button::marker {
    content: "";
  }
  .settings-menu-button > span:first-child {
    display: block;
    font-size: 1.25rem;
  }
  .settings-menu-label {
    display: none;
  }
  .settings-panel {
    top: calc(100% + 8px);
  }
  .topbar-search {
    flex: 1;
    min-width: 0;
  }
  .topbar-search input {
    padding: 11px 14px;
    background: #2a2a2a;
  }
  .add-track-button {
    display: none;
  }

  .content-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 8px 12px 0;
  }
  .sidebar {
    order: 0;
    gap: 10px;
  }
  .sidebar-header h2 {
    color: #fff;
    font-size: 1.15rem;
    letter-spacing: 0;
    text-transform: none;
  }
  .playlist-create {
    padding: 8px 12px;
    font-size: 0.84rem;
  }
  .playlist-list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 0 0 4px;
    scrollbar-width: none;
  }
  .playlist-list::-webkit-scrollbar {
    display: none;
  }
  .playlist-item {
    flex: 0 0 auto;
    border: 0;
    border-radius: 999px;
    padding: 8px 12px;
    background: #282828;
    font-size: 0.88rem;
  }
  .playlist-row {
    display: flex;
    flex: 0 0 auto;
    gap: 2px;
  }
  .playlist-row .playlist-item {
    width: auto;
  }
  .playlist-item.active,
  .playlist-row.active .playlist-item {
    background: var(--color-primary);
    color: #081214;
  }
  .playlist-menu-button {
    display: inline-flex;
    flex: 0 0 32px;
    width: 32px;
    height: 32px;
    opacity: 1;
  }
  .main-view {
    order: 1;
  }

  .upload-card,
  .tracks-card {
    border: 0;
    border-radius: 0;
    padding: 12px 0;
    background: transparent;
  }
  .tracks-header {
    gap: 10px;
    align-items: flex-start;
    padding: 0 4px;
  }
  .tracks-card h2 {
    margin-bottom: 5px;
    font-size: 1.35rem;
  }
  .playlist-details {
    margin: 0;
    color: #b3b3b3;
    font-size: 0.86rem;
  }
  .track-count {
    padding-top: 4px;
    font-size: 0.78rem;
    white-space: nowrap;
  }
  .track-table-header {
    display: none;
  }
  .tracks-list {
    gap: 2px;
  }
  .track-card {
    grid-template-columns: 52px minmax(0, 1fr) 36px;
    gap: 10px;
    padding: 8px 4px;
    border: 0;
    border-radius: 8px;
    background: transparent;
  }
  .track-card .track-number,
  .track-album,
  .track-date,
  .track-duration {
    display: none;
  }
  .track-art {
    width: 52px;
    height: 52px;
    border-radius: 5px;
  }
  .track-name {
    font-size: 0.95rem;
  }
  .track-card-meta {
    font-size: 0.82rem;
  }
  .track-menu-button {
    opacity: 1;
    width: 36px;
    height: 36px;
    background: transparent;
  }
  .track-card:hover,
  .track-card.selected {
    border-color: transparent;
  }
  .track-card.active {
    background: rgba(var(--color-secondary-rgb), 0.12);
    border-color: transparent;
  }

  .player-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: rgba(24, 24, 24, 0.98);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.2);
    touch-action: pan-x;
    transform: translateZ(0);
  }
  .player-left {
    min-width: 0;
    width: auto;
    gap: 10px;
    display: flex;
    align-items: center;
    touch-action: pan-x;
  }
  .player-left > div {
    min-width: 0;
    overflow: hidden;
  }
  .player-cover {
    width: 48px;
    height: 48px;
    border-radius: 4px;
  }
  .player-info,
  .player-artist {
    display: block;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    position: relative;
    margin: 0;
  }
  .player-info {
    font-size: 0.9rem;
  }
  .player-artist {
    margin-top: 2px;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.75);
  }
  .player-info::after,
  .player-artist::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 1.5rem;
    height: 100%;
    pointer-events: none;
    background: linear-gradient(90deg, rgba(24, 24, 24, 0), rgba(24, 24, 24, 1));
  }
  .player-quality-subtle,
  .player-right,
  .footer-progress {
    display: none;
  }
  .player-center {
    display: contents;
  }
  .player-controls {
    grid-column: 2;
    grid-row: 1;
    gap: 8px;
    justify-content: flex-end;
    align-items: center;
  }
  .player-controls .footer-button {
    display: inline-flex;
    min-width: 44px;
    width: 44px;
    height: 44px;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.18);
    transition: transform 140ms ease, background-color 140ms ease, box-shadow 140ms ease;
  }
  .player-controls .footer-button:hover,
  .player-controls .footer-button:focus-visible,
  .player-controls .footer-button.active {
    background: rgba(255, 255, 255, 0.26);
    color: #fff;
    transform: translateY(-1px);
  }
  .player-controls #play-pause {
    width: 52px;
    height: 52px;
    background: #fff;
    color: #111;
    box-shadow: 0 14px 24px rgba(0, 0, 0, 0.22);
  }

  .modal-backdrop {
    align-items: flex-end;
    padding: 0;
  }
  .modal-dialog {
    max-width: none;
    max-height: 92vh;
    overflow-y: auto;
    border-radius: 24px 24px 0 0;
    padding: 28px 20px calc(24px + env(safe-area-inset-bottom));
  }
}