/* ============ CSS RESET & BASE ============ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #000000;
  --dark-gray: #121212;
  --elevated: #181818;
  --hover: #282828;
  --border: #282828;
  --text: #ffffff;
  --muted: #b3b3b3;
  --green: #1db954;
  --green-hover: #1ed760;
  --font-display: "Playfair Display", Georgia, serif;
  --danger: #e22134;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 24px;
  --sidebar-width: 240px;
  --player-height: 90px;
  --mini-player-height: 68px;
  --mobile-nav-height: 64px;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--black);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
}

button, input {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============ APP SHELL ============ */
.app-container {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: 1fr auto;
  grid-template-areas:
    "sidebar main"
    "player player";
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  overflow: hidden;
}

/* ============ SIDEBAR (Desktop Only) ============ */
.sidebar {
  grid-area: sidebar;
  background: var(--black);
  padding: 24px 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow: hidden;
  border-right: 1px solid var(--border);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  flex-shrink: 0;
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.sidebar-brand-text {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 600;
  transition: color 0.2s, background 0.2s;
  text-align: left;
  width: 100%;
}

.nav-link i {
  font-size: 1.25rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

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

.nav-link.active {
  background: var(--elevated);
  color: var(--text);
}

.sidebar-divider {
  height: 1px;
  background: var(--border);
  margin: 0 12px;
  flex-shrink: 0;
}

.sidebar-playlists-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  flex-shrink: 0;
}

.sidebar-playlists {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
  padding: 0 8px;
  flex: 1;
  min-height: 0;
}

.sidebar-playlists::-webkit-scrollbar {
  width: 4px;
}

.sidebar-playlists::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 999px;
}

.sidebar-playlist-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: left;
  transition: color 0.2s, background 0.2s;
  width: 100%;
}

.sidebar-playlist-item:hover {
  color: var(--text);
  background: var(--elevated);
}

.sidebar-playlist-item.active {
  color: var(--text);
  background: var(--elevated);
}

.sidebar-playlist-thumb {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--elevated);
  flex-shrink: 0;
}

.sidebar-playlist-thumb.empty {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.875rem;
}

/* ============ MAIN STAGE ============ */
.main-stage {
  grid-area: main;
  background: var(--dark-gray);
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

.main-stage::-webkit-scrollbar {
  width: 12px;
}

.main-stage::-webkit-scrollbar-track {
  background: transparent;
}

.main-stage::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 999px;
}

.main-stage::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.25);
}

.page {
  padding: 32px;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
  min-height: 100%;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-subtitle {
  color: var(--muted);
  font-size: 0.875rem;
  margin-top: 4px;
}

/* ============ SEARCH ============ */
.search-bar {
  position: relative;
  width: 100%;
  max-width: 400px;
}

.search-input {
  width: 100%;
  background: var(--elevated);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 16px 12px 44px;
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

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

.search-input:focus {
  border-color: var(--text);
  box-shadow: 0 0 0 2px rgba(255,255,255,0.1);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 1rem;
  pointer-events: none;
}

/* ============ CARDS ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 24px;
}

.card {
  background: var(--elevated);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: background 0.3s ease;
  cursor: pointer;
  position: relative;
}

.card:hover {
  background: var(--hover);
}

.card-cover-wrap {
  position: relative;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}

.card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.card:hover .card-cover {
  transform: scale(1.04);
}

.card-play-btn {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  background: var(--green);
  color: var(--black);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
  box-shadow: 0 8px 16px rgba(0,0,0,0.3);
  border: none;
}

.card:hover .card-play-btn {
  opacity: 1;
  transform: translateY(0);
}

.card-play-btn:hover {
  background: var(--green-hover);
  transform: scale(1.05);
}

.card-play-btn:active {
  transform: scale(0.95);
}

.card-title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-meta {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============ SONG TABLE ============ */
.song-table {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.song-row {
  display: grid;
  grid-template-columns: 40px 48px 1fr auto 48px 48px;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  transition: background 0.2s;
  cursor: pointer;
}

.song-row:hover {
  background: rgba(255,255,255,0.05);
}

.song-row.active {
  background: rgba(255,255,255,0.08);
}

.song-index {
  color: var(--muted);
  font-size: 0.875rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
  width: 100%;
}

.song-row.active .song-index {
  color: var(--green);
}

.song-row.active .song-index i {
  display: inline-block;
}

.song-cover-sm {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

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

.song-title {
  font-size: 0.875rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.song-artist {
  font-size: 0.8125rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s;
  display: inline-block;
}

.song-artist:hover {
  color: var(--text);
  text-decoration: underline;
}

.song-duration {
  color: var(--muted);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}

.song-action-btn {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.875rem;
  opacity: 0;
  transition: opacity 0.2s, color 0.2s, transform 0.2s;
}

.song-row:hover .song-action-btn {
  opacity: 1;
}

.song-action-btn:hover {
  color: var(--text);
  transform: scale(1.1);
}

.song-action-btn.active {
  color: var(--green);
  opacity: 1;
}

/* ============ HERO PLAYER ============ */
.hero-player {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: end;
  padding: 40px 32px 24px;
  background: linear-gradient(180deg, rgba(29,185,84,0.15) 0%, var(--dark-gray) 100%);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  margin: -32px -32px 0;
}

.hero-cover {
  width: 232px;
  height: 232px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

.hero-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 8px;
  min-width: 0;
}

.hero-kicker {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero-title {
  font-size: clamp(1.75rem, 5vw, 4rem);
  font-weight: 900;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.1;
  word-break: break-word;
}

.hero-meta {
  color: var(--muted);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-meta img {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  object-fit: cover;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn-play {
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: var(--green);
  color: var(--black);
  font-size: 1.5rem;
  display: grid;
  place-items: center;
  transition: transform 0.1s, background 0.2s;
  border: none;
  flex-shrink: 0;
}

.btn-play:hover {
  background: var(--green-hover);
  transform: scale(1.04);
}

.btn-play:active {
  transform: scale(0.98);
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 1.25rem;
  border: 1px solid var(--border);
  transition: all 0.2s;
  flex-shrink: 0;
}

.btn-icon:hover {
  color: var(--text);
  border-color: var(--text);
  transform: scale(1.05);
}

.btn-icon:active {
  transform: scale(0.95);
}

/* ============ DESKTOP PLAYER BAR ============ */
.player-bar {
  grid-area: player;
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 16px;
  z-index: 50;
  height: var(--player-height);
}

.player-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.player-bar-cover {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

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

.player-bar-title {
  font-size: 0.875rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-bar-artist {
  font-size: 0.75rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s;
  display: inline-block;
}

.player-bar-artist:hover {
  color: var(--text);
  text-decoration: underline;
}

.player-bar-like {
  color: var(--muted);
  font-size: 1rem;
  margin-left: 8px;
  transition: color 0.2s, transform 0.2s;
  flex-shrink: 0;
}

.player-bar-like:hover {
  color: var(--text);
  transform: scale(1.1);
}

.player-bar-like.active {
  color: var(--green);
}

.player-bar-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  max-width: 500px;
  width: 100%;
  margin: 0 auto;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.control-btn {
  color: var(--muted);
  font-size: 1.125rem;
  transition: color 0.2s, transform 0.2s;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  position: relative;
}

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

.control-btn:active {
  transform: scale(0.9);
}

.control-btn.main {
  color: var(--text);
  font-size: 2rem;
  width: 40px;
  height: 40px;
}

.control-btn.main:hover {
  transform: scale(1.08);
}

.control-btn.shuffle-active,
.control-btn.repeat-active {
  color: var(--green);
}

.control-btn.shuffle-active::after,
.control-btn.repeat-active::after {
  content: "";
  position: absolute;
  bottom: 2px;
  width: 4px;
  height: 4px;
  background: var(--green);
  border-radius: 999px;
}

.progress-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.time-label {
  font-size: 0.6875rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  min-width: 36px;
  text-align: center;
  flex-shrink: 0;
}

/* Custom Range Slider */
.seekbar,
.volume-slider {
  flex: 1;
  height: 5px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255,255,255,0.15);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}

.seekbar {
  background: rgba(255,255,255,0.15);
}

.seekbar::-webkit-slider-runnable-track,
.volume-slider::-webkit-slider-runnable-track {
  height: 5px;
  border-radius: 999px;
}

.seekbar::-webkit-slider-thumb,
.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--text);
  border-radius: 999px;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  box-shadow: 0 0 0 0 rgba(255,255,255,0);
  margin-top: -4.5px;
}

.seekbar:hover::-webkit-slider-thumb,
.volume-slider:hover::-webkit-slider-thumb {
  opacity: 1;
  box-shadow: 0 0 12px rgba(255,255,255,0.4);
  transform: scale(1.15);
}

.seekbar::-moz-range-thumb,
.volume-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--text);
  border-radius: 999px;
  opacity: 0;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 0 0 rgba(255,255,255,0);
}

.seekbar:hover::-moz-range-thumb,
.volume-slider:hover::-moz-range-thumb {
  opacity: 1;
  box-shadow: 0 0 12px rgba(255,255,255,0.4);
  transform: scale(1.15);
}

.seekbar::-moz-range-progress {
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green) 0%, var(--green-hover) 100%);
}

.player-bar-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}

.volume-slider {
  width: 100px;
  flex: none;
  height: 5px;
}

/* ============ MOBILE BOTTOM NAV ============ */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: var(--black);
  border-top: 1px solid var(--border);
  height: var(--mobile-nav-height);
  padding-bottom: env(safe-area-inset-bottom);
  grid-template-columns: repeat(3, 1fr);
  place-items: center;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--muted);
  font-size: 0.625rem;
  font-weight: 600;
  height: 100%;
  width: 100%;
  transition: color 0.2s;
  padding-bottom: env(safe-area-inset-bottom);
}

.mobile-nav-item i {
  font-size: 1.25rem;
}

.mobile-nav-item.active {
  color: var(--text);
}

.mobile-nav-item:active {
  opacity: 0.7;
}

/* ============ TABS ============ */
.tab-list {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  transition: all 0.2s;
  white-space: nowrap;
}

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

.tab-btn.active {
  background: var(--elevated);
  color: var(--text);
}

/* ============ EMPTY STATE ============ */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--muted);
}

.empty-state i {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

/* ============ OVERLAY / MODAL ============ */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  padding: 24px;
  overflow-y: auto;
}

.modal {
  background: var(--elevated);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 24px 48px rgba(0,0,0,0.5);
  border: 1px solid var(--border);
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
}

.text-input {
  background: rgba(255,255,255,0.1);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 12px;
  color: var(--text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.text-input:focus {
  border-color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--text);
  color: var(--black);
}

.btn-primary:hover {
  transform: scale(1.02);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-soft {
  background: rgba(255,255,255,0.1);
  color: var(--text);
}

.btn-soft:hover {
  background: rgba(255,255,255,0.15);
}

.btn-soft:active {
  transform: scale(0.98);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.meta-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.meta-item {
  font-size: 0.875rem;
  color: var(--muted);
}

.meta-item b {
  color: var(--text);
  font-weight: 600;
}

/* ============ UTILITY ============ */
.hidden {
  display: none !important;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: var(--green);
  border-radius: 999px;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


/* ============ HOME REDESIGN ============ */
.home-greeting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.home-greeting h1 {
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 800;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.home-greeting .settings-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--text);
  font-size: 1.25rem;
  background: rgba(255,255,255,0.05);
  transition: background 0.2s, transform 0.2s;
}

.home-greeting .settings-btn:active {
  transform: scale(0.92);
  background: rgba(255,255,255,0.1);
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.home-grid-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: background 0.2s;
  padding-right: 12px;
}

.home-grid-card:hover {
  background: rgba(255,255,255,0.1);
}

.home-grid-card:active {
  background: rgba(255,255,255,0.15);
}

.home-grid-card img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  flex-shrink: 0;
}

.home-grid-card span {
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.3;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.home-section {
  margin-bottom: 32px;
}

.home-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.home-section-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.home-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.home-scroll::-webkit-scrollbar {
  display: none;
}

.home-scroll-card {
  flex: 0 0 auto;
  width: 160px;
  cursor: pointer;
}

.home-scroll-card .scroll-cover-wrap {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  margin-bottom: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

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

.home-scroll-card .scroll-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--green);
}

.home-scroll-card h3 {
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.home-scroll-card p {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============ FULLSCREEN PLAYER ============ */
.fullscreen-player {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--dark-gray);
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  overflow: hidden;
}

.fullscreen-player.active {
  transform: translateY(0);
}

.fs-backdrop {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(29,185,84,0.08) 0%, var(--dark-gray) 60%);
  pointer-events: none;
}

.fs-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 16px 24px calc(16px + env(safe-area-inset-bottom));
  overflow-y: auto;
}

.fs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 16px;
  flex-shrink: 0;
}

.fs-close-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--text);
  font-size: 1.25rem;
  background: rgba(255,255,255,0.05);
  transition: background 0.2s, transform 0.2s;
}

.fs-close-btn:active {
  transform: scale(0.92);
  background: rgba(255,255,255,0.1);
}

.fs-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 24px;
  min-height: 0;
  padding-bottom: 16px;
}

.fs-cover-wrap {
  width: 85vw;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.04);
  flex-shrink: 0;
}

.fs-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.fs-info {
  width: 100%;
  max-width: 340px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.fs-text {
  min-width: 0;
  flex: 1;
}

.fs-title {
  font-size: 1.75rem;
  font-weight: 800;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  line-height: 1.15;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fs-artist {
  font-size: 1rem;
  color: var(--muted);
  margin-top: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s;
}

.fs-artist:hover {
  color: var(--text);
  text-decoration: underline;
}

.fs-heart {
  width: 48px;
  height: 48px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: color 0.2s, transform 0.2s;
}

.fs-heart.active {
  color: var(--green);
}

.fs-heart:active {
  transform: scale(0.9);
}

.fs-progress {
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fs-seekbar {
  width: 100%;
  height: 5px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255,255,255,0.15);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
  position: relative;
  overflow: visible;
}

.fs-seekbar::-webkit-slider-runnable-track {
  height: 5px;
  border-radius: 999px;
  background: rgba(255,255,255,0.15);
}

.fs-seekbar::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--text);
  border-radius: 999px;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 0 0 rgba(255,255,255,0);
  margin-top: -4.5px;
}

.fs-seekbar:hover::-webkit-slider-thumb {
  opacity: 1;
  box-shadow: 0 0 12px rgba(255,255,255,0.4);
  transform: scale(1.15);
}

.fs-seekbar::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--text);
  border-radius: 999px;
  opacity: 0;
  border: none;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 0 0 rgba(255,255,255,0);
}

.fs-seekbar:hover::-moz-range-thumb {
  opacity: 1;
  box-shadow: 0 0 12px rgba(255,255,255,0.4);
  transform: scale(1.15);
}

.fs-seekbar::-moz-range-track {
  height: 5px;
  border-radius: 999px;
  background: rgba(255,255,255,0.15);
}

.fs-seekbar::-moz-range-progress {
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green) 0%, var(--green-hover) 100%);
}

.fs-time {
  display: flex;
  justify-content: space-between;
  font-size: 0.6875rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.fs-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  width: 100%;
  max-width: 340px;
}

.fs-btn {
  color: var(--muted);
  font-size: 1.25rem;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  transition: color 0.2s, transform 0.2s;
  flex-shrink: 0;
}

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

.fs-btn:active {
  transform: scale(0.9);
}

.fs-btn.fs-play {
  width: 64px;
  height: 64px;
  background: var(--text);
  color: var(--black);
  border-radius: 999px;
  font-size: 1.75rem;
  transition: transform 0.1s, background 0.2s;
}

.fs-btn.fs-play:hover {
  transform: scale(1.05);
  background: var(--green);
}

.fs-btn.fs-play:active {
  transform: scale(0.95);
}

.fs-volume {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 340px;
  color: var(--muted);
  font-size: 0.875rem;
}

.fs-volume-slider {
  flex: 1;
  height: 5px;
  -webkit-appearance: none;
  appearance: none;
  background: rgba(255,255,255,0.15);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}

.fs-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--text);
  border-radius: 999px;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 0 0 rgba(255,255,255,0);
  margin-top: -4.5px;
}

.fs-volume-slider:hover::-webkit-slider-thumb {
  opacity: 1;
  box-shadow: 0 0 12px rgba(255,255,255,0.4);
  transform: scale(1.15);
}

.fs-volume-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--text);
  border-radius: 999px;
  opacity: 0;
  border: none;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 0 0 rgba(255,255,255,0);
}

.fs-volume-slider:hover::-moz-range-thumb {
  opacity: 1;
  box-shadow: 0 0 12px rgba(255,255,255,0.4);
  transform: scale(1.15);
}

.fs-volume-slider::-moz-range-track {
  height: 5px;
  border-radius: 999px;
  background: rgba(255,255,255,0.15);
}

.fs-volume-slider::-moz-range-progress {
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green) 0%, var(--green-hover) 100%);
}

.fs-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  width: 100%;
  max-width: 340px;
}

.fs-actions button {
  color: var(--muted);
  font-size: 1.25rem;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  transition: color 0.2s, transform 0.2s;
}

.fs-actions button:hover {
  color: var(--text);
}

.fs-actions button:active {
  transform: scale(0.9);
}

/* ============ FULLSCREEN EXTRA CONTROLS ============ */
.fs-extra-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
  max-width: 340px;
}

.fs-extra-btn {
  color: var(--muted);
  font-size: 1.125rem;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  transition: color 0.2s, transform 0.2s, background 0.2s;
  position: relative;
}

.fs-extra-btn:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.fs-extra-btn:active {
  transform: scale(0.9);
}

.fs-extra-btn.active {
  color: var(--green);
}

.fs-extra-btn.active::after {
  content: "";
  position: absolute;
  bottom: 4px;
  width: 4px;
  height: 4px;
  background: var(--green);
  border-radius: 999px;
}

/* ============ MINI PLAYER REDESIGN ============ */
.mini-player {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: var(--mobile-nav-height);
  z-index: 55;
  background: var(--black);
  border-top: 1px solid var(--border);
  padding: 0;
  height: var(--mini-player-height);
}

.mini-player-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 100%;
  padding: 8px 12px;
}

.mini-player-main {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.mini-player-main:active {
  opacity: 0.7;
}

.mini-player-cover {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.mini-player-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  overflow: hidden;
}

.mini-player-title {
  font-size: 0.875rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-player-artist {
  font-size: 0.75rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-player-btns {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.mini-player-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--text);
  font-size: 1.125rem;
  flex-shrink: 0;
  transition: transform 0.1s;
}

.mini-player-btn:active {
  transform: scale(0.9);
}

.mini-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255,255,255,0.08);
}

.mini-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green) 0%, var(--green-hover) 100%);
  border-radius: 999px;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(29,185,84,0.4);
}

/* ============ QUEUE PANEL ============ */
.queue-panel {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: var(--dark-gray);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  overflow: hidden;
}

.queue-panel.active {
  transform: translateX(0);
}

.queue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.queue-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.queue-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.queue-clear-btn {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted);
  padding: 6px 14px;
  border-radius: 999px;
  transition: all 0.2s;
}

.queue-clear-btn:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.queue-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--text);
  font-size: 1.125rem;
  background: rgba(255,255,255,0.05);
  transition: background 0.2s, transform 0.2s;
}

.queue-close-btn:active {
  transform: scale(0.92);
  background: rgba(255,255,255,0.1);
}

.queue-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.queue-list::-webkit-scrollbar {
  width: 6px;
}

.queue-list::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 999px;
}

.queue-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 12px 8px 8px;
}

.queue-item {
  display: grid;
  grid-template-columns: 32px 48px 1fr 36px;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: background 0.2s;
  cursor: pointer;
}

.queue-item:hover {
  background: rgba(255,255,255,0.05);
}

.queue-item.active {
  background: rgba(255,255,255,0.08);
}

.queue-item-index {
  color: var(--muted);
  font-size: 0.875rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.queue-item.active .queue-item-index {
  color: var(--green);
}

.queue-item-cover {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

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

.queue-item-title {
  font-size: 0.875rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-item-artist {
  font-size: 0.8125rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-item-remove {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.875rem;
  opacity: 0;
  transition: opacity 0.2s, color 0.2s, transform 0.2s;
}

.queue-item:hover .queue-item-remove {
  opacity: 1;
}

.queue-item-remove:hover {
  color: var(--text);
  transform: scale(1.1);
}

/* ============ LYRICS PANEL ============ */
.lyrics-panel {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: var(--dark-gray);
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  overflow: hidden;
}

.lyrics-panel.active {
  transform: translateY(0);
}

.lyrics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.lyrics-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.lyrics-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--text);
  font-size: 1.125rem;
  background: rgba(255,255,255,0.05);
  transition: background 0.2s, transform 0.2s;
}

.lyrics-close-btn:active {
  transform: scale(0.92);
  background: rgba(255,255,255,0.1);
}

.lyrics-content {
  flex: 1;
  overflow-y: auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  scroll-behavior: smooth;
}

.lyrics-content::-webkit-scrollbar {
  width: 6px;
}

.lyrics-content::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 999px;
}

.lyrics-line {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--muted);
  text-align: center;
  line-height: 1.5;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  transition: color 0.3s, transform 0.3s, opacity 0.3s;
  max-width: 600px;
  width: 100%;
  opacity: 0.5;
}

.lyrics-line:hover {
  opacity: 0.8;
}

.lyrics-line.active {
  color: var(--text);
  opacity: 1;
  transform: scale(1.05);
}

.lyrics-line.past {
  opacity: 0.3;
}

.lyrics-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
  color: var(--muted);
  text-align: center;
}

.lyrics-empty i {
  font-size: 3rem;
  opacity: 0.5;
}

.lyrics-empty h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.lyrics-empty p {
  font-size: 0.875rem;
}

/* ============ ARTIST PROFILE ============ */
.artist-profile {
  position: fixed;
  inset: 0;
  z-index: 95;
  background: var(--dark-gray);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  overflow: hidden;
}

.artist-profile.active {
  transform: translateX(0);
}

.artist-hero {
  position: relative;
  padding: 32px 24px 24px;
  background: linear-gradient(180deg, rgba(29,185,84,0.12) 0%, var(--dark-gray) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.artist-hero-back {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--text);
  font-size: 1.25rem;
  background: rgba(255,255,255,0.05);
  transition: background 0.2s, transform 0.2s;
  z-index: 2;
}

.artist-hero-back:active {
  transform: scale(0.92);
  background: rgba(255,255,255,0.1);
}

.artist-hero-img {
  width: 160px;
  height: 160px;
  border-radius: 999px;
  object-fit: cover;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

.artist-hero-name {
  font-size: 1.75rem;
  font-weight: 800;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  text-align: center;
}

.artist-hero-meta {
  font-size: 0.875rem;
  color: var(--muted);
  text-align: center;
}

.artist-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 8px;
}

.artist-section {
  flex: 1;
  overflow-y: auto;
  padding: 16px 24px 24px;
}

.artist-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

/* ============ QUALITY BADGE ============ */
.fs-quality-badge {
  font-size: 0.625rem;
  font-weight: 800;
  color: var(--green);
  background: rgba(29,185,84,0.15);
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.player-quality-badge {
  font-size: 0.5625rem;
  font-weight: 800;
  color: var(--green);
  background: rgba(29,185,84,0.15);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-left: 4px;
  flex-shrink: 0;
}

/* ============ RESPONSIVE: TABLET (<=1024px) ============ */
@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 200px 1fr;
  }

  .sidebar-brand-text {
    font-size: 1.2rem;
  }

  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 20px;
  }
}

/* ============ RESPONSIVE: MOBILE (<=900px) ============ */
@media (max-width: 900px) {
  :root {
    --player-height: 0px;
  }

  .app-container {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
    grid-template-areas:
      "main"
      "player";
  }

  .sidebar {
    display: none;
  }

  .player-bar {
    display: none !important;
  }

  .mini-player {
    display: block;
  }

  .mobile-nav {
    display: grid;
  }

  .main-stage {
    padding-bottom: calc(var(--mini-player-height) + var(--mobile-nav-height) + env(safe-area-inset-bottom));
  }

  .page {
    padding: 20px 16px;
    gap: 24px;
    padding-bottom: calc(20px + var(--mini-player-height) + var(--mobile-nav-height) + env(safe-area-inset-bottom));
  }

  .hero-player {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
    padding: 24px 16px 20px;
    margin: -20px -16px 0;
    gap: 20px;
  }

  .hero-cover {
    width: 180px;
    height: 180px;
  }

  .hero-actions {
    justify-content: center;
    gap: 16px;
    margin-top: 16px;
  }

  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
  }

  .card {
    padding: 12px;
  }

  .card-play-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    opacity: 1;
    transform: translateY(0);
    bottom: 6px;
    right: 6px;
  }

  .song-row {
    grid-template-columns: 32px 40px 1fr auto 40px;
    gap: 10px;
    padding: 8px 12px;
  }

  .song-action-btn {
    opacity: 1;
    width: 28px;
    height: 28px;
  }

  .song-action-btn:nth-of-type(2) {
    display: none;
  }

  .search-bar {
    max-width: 100%;
  }

  .search-input {
    padding: 10px 14px 10px 40px;
    font-size: 1rem;
  }

  .tab-list {
    gap: 6px;
  }

  .tab-btn {
    padding: 6px 14px;
    font-size: 0.8125rem;
  }

  .modal {
    padding: 20px;
    margin: 0 8px;
  }

  .modal-title {
    font-size: 1.1rem;
  }

  .queue-panel,
  .artist-profile {
    transform: translateY(100%);
  }

  .queue-panel.active,
  .artist-profile.active {
    transform: translateY(0);
  }

  .queue-list {
    padding: 8px 12px;
  }

  .queue-item {
    grid-template-columns: 28px 40px 1fr 32px;
    gap: 10px;
    padding: 6px 10px;
  }

  .queue-item-cover {
    width: 40px;
    height: 40px;
  }

  .queue-item-remove {
    opacity: 1;
  }

  .lyrics-line {
    font-size: 1.25rem;
    padding: 6px 12px;
  }

  .artist-hero {
    padding: 24px 16px 20px;
  }

  .artist-hero-img {
    width: 120px;
    height: 120px;
  }

  .artist-hero-name {
    font-size: 1.5rem;
  }

  .artist-section {
    padding: 12px 16px 20px;
  }

  .fs-extra-controls {
    gap: 12px;
  }

  .fs-extra-btn {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
}

/* ============ RESPONSIVE: SMALL PHONES (<=600px) ============ */
@media (max-width: 600px) {
  html {
    font-size: 15px;
  }

  .hero-cover {
    width: 150px;
    height: 150px;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-meta {
    font-size: 0.8125rem;
  }

  .btn-play {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }

  .btn-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .card {
    padding: 10px;
  }

  .card-title {
    font-size: 0.8125rem;
  }

  .card-meta {
    font-size: 0.75rem;
  }

  .song-row {
    grid-template-columns: 28px 36px 1fr auto 36px;
    gap: 8px;
    padding: 6px 10px;
  }

  .song-cover-sm {
    width: 36px;
    height: 36px;
  }

  .song-title {
    font-size: 0.8125rem;
  }

  .song-artist {
    font-size: 0.75rem;
  }

  .song-duration {
    display: none;
  }

  .page-title {
    font-size: 1.35rem;
  }

  .mini-player {
    padding: 0;
    height: 64px;
  }

  .mini-player-inner {
    padding: 6px 10px;
    gap: 10px;
  }

  .mini-player-cover {
    width: 48px;
    height: 48px;
  }

  .mini-player-title {
    font-size: 0.8125rem;
  }

  .mini-player-artist {
    font-size: 0.6875rem;
  }

  .mini-player-btn {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .fs-cover-wrap {
    width: 72vw;
    max-width: 340px;
  }

  .fs-title {
    font-size: 1.35rem;
  }

  .fs-artist {
    font-size: 0.875rem;
  }

  .fs-body {
    gap: 16px;
    padding-bottom: 8px;
  }

  .fs-controls {
    gap: 20px;
  }

  .fs-btn {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }

  .fs-btn.fs-play {
    width: 60px;
    height: 60px;
    font-size: 1.625rem;
  }

  .fs-progress {
    max-width: 100%;
  }

  .fs-info {
    max-width: 100%;
    padding: 0 4px;
  }

  .fs-volume {
    max-width: 100%;
  }

  .fs-actions {
    max-width: 100%;
    gap: 28px;
  }

  .fs-artist {
    font-size: 0.875rem;
  }

  .fs-btn {
    width: 36px;
    height: 36px;
    font-size: 1.125rem;
  }

  .fs-btn.fs-play {
    width: 56px;
    height: 56px;
    font-size: 1.5rem;
  }

  .fs-controls {
    gap: 16px;
  }

  .fs-actions {
    gap: 24px;
  }

  .home-grid-card img {
    width: 52px;
    height: 52px;
  }

  .home-scroll-card {
    width: 140px;
  }

  .home-section-title {
    font-size: 1.1rem;
  }

  .mobile-nav {
    height: 56px;
  }

  .mobile-nav-item {
    font-size: 0.5625rem;
  }

  .mobile-nav-item i {
    font-size: 1.125rem;
  }
}

/* ============ RESPONSIVE: EXTRA SMALL (<=380px) ============ */
@media (max-width: 380px) {
  html {
    font-size: 14px;
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .card {
    padding: 8px;
  }

  .hero-cover {
    width: 120px;
    height: 120px;
  }

  .hero-title {
    font-size: 1.25rem;
  }

  .page {
    padding: 12px 10px;
    padding-bottom: calc(12px + var(--mini-player-height) + var(--mobile-nav-height) + env(safe-area-inset-bottom));
  }

  .hero-player {
    padding: 16px 10px 16px;
    margin: -12px -10px 0;
  }

  .song-row {
    padding: 6px 8px;
  }

  .fs-cover-wrap {
    width: 70vw;
    max-width: 300px;
  }

  .fs-title {
    font-size: 1.2rem;
  }

  .fs-artist {
    font-size: 0.8125rem;
  }

  .fs-body {
    gap: 14px;
  }

  .fs-controls {
    gap: 16px;
  }

  .fs-btn {
    width: 36px;
    height: 36px;
    font-size: 1.125rem;
  }

  .fs-btn.fs-play {
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
  }

  .fs-heart {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }

  .fs-content {
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  }

  .fs-controls {
    gap: 12px;
  }

  .fs-btn.fs-play {
    width: 52px;
    height: 52px;
    font-size: 1.375rem;
  }
}

/* ============ LANDSCAPE MOBILE ============ */
@media (max-height: 500px) and (orientation: landscape) {
  .mini-player {
    height: 58px;
  }

  .mini-player-inner {
    padding: 4px 10px;
  }

  .mini-player-cover {
    width: 44px;
    height: 44px;
  }

  .mobile-nav {
    height: 48px;
  }

  .mobile-nav-item {
    gap: 2px;
  }

  .mobile-nav-item i {
    font-size: 1rem;
  }

  .fs-cover-wrap {
    width: 38vh;
    max-width: 220px;
  }

  .fs-title {
    font-size: 1.15rem;
  }

  .fs-body {
    gap: 12px;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-content: center;
  }

  .fs-cover-wrap {
    margin-bottom: 0;
  }

  .fs-info, .fs-progress, .fs-controls, .fs-volume, .fs-actions {
    max-width: 45%;
    flex: 1 1 45%;
  }

  .fs-info {
    order: 1;
  }

  .fs-cover-wrap {
    order: 0;
  }

  .fs-progress {
    order: 2;
  }

  .fs-controls {
    order: 3;
  }

  .fs-volume {
    order: 4;
  }

  .fs-actions {
    order: 5;
  }
}

/* ============ PWA STANDALONE MODE ============ */
@media (display-mode: standalone) {
  .app-container {
    height: 100vh;
    height: 100dvh;
  }
}


/* ============ VERY SHORT SCREENS ============ */
@media (max-height: 600px) and (orientation: portrait) {
  .fs-cover-wrap {
    width: 55vw;
    max-width: 260px;
  }

  .fs-body {
    gap: 12px;
  }

  .fs-title {
    font-size: 1.25rem;
  }
}

@media (max-height: 500px) and (orientation: portrait) {
  .fs-cover-wrap {
    width: 45vw;
    max-width: 200px;
  }

  .fs-body {
    gap: 10px;
  }

  .fs-controls {
    gap: 16px;
  }

  .fs-btn.fs-play {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============ TOAST NOTIFICATION ============ */
.toast {
  position: fixed;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--elevated);
  color: var(--text);
  padding: 12px 24px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============ FS COVER: SQUARE (not circular) ============ */
.fs-cover {
  border-radius: 8px !important;
  width: 100%;
  height: 100%;
  object-fit: cover;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.fs-cover-wrap {
  border-radius: 12px;
  overflow: hidden;
}

/* ============ FULLSCREEN HEART ACTIVE ============ */
.fs-heart.active {
  color: var(--green) !important;
}

/* ============ WELCOME MODAL ============ */
.welcome-overlay .welcome-modal {
  max-width: 480px;
  text-align: center;
  background: linear-gradient(145deg, var(--elevated), var(--dark-gray));
  border: 1px solid var(--border);
}
.welcome-content {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.welcome-logo img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: 0 8px 32px rgba(29, 185, 84, 0.3);
  animation: welcomePulse 2s ease-in-out infinite;
}
@keyframes welcomePulse {
  0%, 100% { transform: scale(1); box-shadow: 0 8px 32px rgba(29, 185, 84, 0.3); }
  50% { transform: scale(1.05); box-shadow: 0 8px 40px rgba(29, 185, 84, 0.5); }
}
.welcome-title {
  font-size: 1.75rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--text);
}
.welcome-subtitle {
  color: var(--muted);
  font-size: 0.9375rem;
  margin-top: -8px;
}
.welcome-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  padding: 8px 0;
}
.welcome-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  transition: background 0.3s, transform 0.2s;
}
.welcome-feature:hover {
  background: rgba(255,255,255,0.08);
  transform: translateX(4px);
}
.welcome-feature i {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: rgba(29, 185, 84, 0.15);
  border-radius: 50%;
  color: var(--green);
  font-size: 0.875rem;
  flex-shrink: 0;
}
.welcome-dev {
  margin-top: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-md);
  width: 100%;
  font-size: 0.85rem;
  line-height: 1.6;
}
.welcome-cta {
  margin-top: 8px;
  width: 100%;
  justify-content: center;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  background: var(--green);
  color: #000;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  border: none;
  cursor: pointer;
}
.welcome-cta:hover {
  background: var(--green-hover);
  box-shadow: 0 4px 20px rgba(29, 185, 84, 0.4);
  transform: translateY(-1px);
}
.welcome-cta:active {
  transform: scale(0.97);
}
.welcome-meta {
  font-size: 0.7rem;
  color: var(--muted);
  opacity: 0.6;
}

/* ============ EXPLORE AS HORIZONTAL SCROLL ============ */
.explore-scroll {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 8px 0 16px;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.15) transparent;
}
.explore-scroll::-webkit-scrollbar {
  height: 6px;
}
.explore-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.explore-scroll::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.12);
  border-radius: 999px;
}
.explore-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.2);
}
.explore-scroll .card {
  flex: 0 0 auto;
  width: 155px;
  padding: 10px;
}
.explore-scroll .card .card-img-wrap {
  margin-bottom: 8px;
}
.explore-scroll .card .card-title {
  font-size: 0.8125rem;
}
.explore-scroll .card .card-subtitle {
  font-size: 0.7rem;
}

/* ============ UI ANIMATIONS ============ */
.page {
  animation: fadeIn 0.35s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.song-row {
  transition: background 0.2s ease, transform 0.15s ease;
}
.song-row:hover {
  transform: translateX(2px);
}
.song-row:active {
  transform: scale(0.995);
}
.song-row.active {
  background: rgba(29, 185, 84, 0.08);
  border-left: 3px solid var(--green);
}
.btn-primary, .btn-secondary, .control-btn, .icon-btn {
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary:active, .btn-secondary:active, .control-btn:active {
  transform: scale(0.95);
}
.btn-primary:hover {
  box-shadow: 0 4px 16px rgba(29, 185, 84, 0.4);
}
.home-scroll-card {
  transition: transform 0.25s ease;
}
.home-scroll-card:hover {
  transform: translateY(-4px);
}
.home-scroll-card:active {
  transform: translateY(-1px) scale(0.98);
}
.scroll-cover-wrap img {
  transition: transform 0.4s ease;
}
.home-scroll-card:hover .scroll-cover-wrap img {
  transform: scale(1.08);
}
.card {
  transition: background 0.3s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
  background: var(--hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.card:active {
  transform: translateY(0) scale(0.98);
}
.card-img-wrap img {
  transition: transform 0.4s ease;
}
.card:hover .card-img-wrap img {
  transform: scale(1.06);
}
.home-grid-card {
  transition: background 0.3s ease, transform 0.2s ease;
}
.home-grid-card:hover {
  background: rgba(255,255,255,0.12);
  transform: translateX(3px);
}
.home-grid-card:active {
  transform: scale(0.98);
}
.home-grid-card img {
  transition: transform 0.3s ease;
}
.home-grid-card:hover img {
  transform: scale(1.1);
}
.modal {
  animation: modalSlide 0.3s ease;
}
@keyframes modalSlide {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.overlay-backdrop {
  animation: backdropFade 0.25s ease;
}
@keyframes backdropFade {
  from { opacity: 0; }
  to { opacity: 1; }
}
.settings-btn {
  transition: background 0.2s, transform 0.2s, color 0.2s;
}
.settings-btn:hover {
  background: var(--hover);
  color: var(--text);
  transform: rotate(60deg);
}
.pwa-install-btn {
  transition: transform 0.15s, background 0.2s;
}
.pwa-install-btn:active {
  transform: scale(0.95);
}
.pwa-install-close {
  transition: background 0.2s;
}

/* ============ PWA INSTALL BANNER ============ */
.pwa-install-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--elevated);
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  animation: slideUp 0.35s ease;
}
@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}
.pwa-install-content {
  display: flex;
  align-items: center;
  gap: 12px;
}
.pwa-install-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.pwa-install-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.pwa-install-text strong {
  font-size: 0.875rem;
  font-weight: 600;
}
.pwa-install-text span {
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pwa-install-btn {
  background: var(--green);
  color: #000;
  font-weight: 700;
  font-size: 0.8125rem;
  padding: 8px 16px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
  border: none;
  cursor: pointer;
}
.pwa-install-btn:hover {
  background: var(--green-hover);
}
.pwa-install-close {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 1.25rem;
  flex-shrink: 0;
  border-radius: 50%;
  background: none;
  border: none;
  cursor: pointer;
}
.pwa-install-close:hover {
  background: var(--hover);
  color: var(--text);
}

/* ============ RESPONSIVE FIXES FOR PWA & WELCOME ============ */
@media (max-width: 768px) {
  .welcome-title {
    font-size: 1.35rem;
  }
  .welcome-feature {
    font-size: 0.8125rem;
    padding: 8px 12px;
  }
  .welcome-content {
    padding: 24px 16px;
  }
  .welcome-logo img {
    width: 64px;
    height: 64px;
  }
}
@media (max-width: 480px) {
  .explore-scroll .card {
    width: 130px;
    padding: 8px;
  }
  .welcome-title {
    font-size: 1.2rem;
  }
  .welcome-features {
    gap: 8px;
  }
}

/* ============ REDUCED MOTION OVERRIDE ============ */
@media (prefers-reduced-motion: reduce) {
  .page,
  .modal,
  .overlay-backdrop,
  .pwa-install-banner,
  .toast,
  .welcome-logo img {
    animation: none !important;
  }
  .home-scroll-card:hover,
  .card:hover,
  .song-row:hover,
  .home-grid-card:hover {
    transform: none !important;
  }
}