:root {
  --primary: #1ed760;
  --primary-hover: #39ff88;
  --bg: #080808;
  --bg-2: #121212;
  --card: #181818;
  --line: rgba(255, 255, 255, 0.08);
  --text: #fff;
  --muted: #b8b8b8;
  --danger: #ef4444;
  --cyan: #8ee7ff;
  --amber: #ffd27a;
  --radius: 8px;
  --menu-font-size: 1rem;
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(30, 215, 96, 0.18), transparent 28rem),
    radial-gradient(circle at 84% 18%, rgba(142, 231, 255, 0.1), transparent 24rem),
    linear-gradient(135deg, #050505, var(--bg) 42%, #0c100e);
  color: var(--text);
}

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

button {
  border: 0;
  color: var(--text);
  cursor: pointer;
}

button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary-hover);
  outline-offset: 3px;
}

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

.loading-shell {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 18rem 1fr 20rem;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg);
  transition: opacity 400ms ease, visibility 400ms ease;
}

.loading-shell.hide { opacity: 0; visibility: hidden; }

.skeleton {
  border-radius: var(--radius);
  background: linear-gradient(100deg, #151515 20%, #222 36%, #151515 52%);
  background-size: 220% 100%;
  animation: shimmer 1.4s infinite linear;
}

@keyframes shimmer { to { background-position: -220% 0; } }

.app-shell {
  display: grid;
  grid-template-columns: 17rem minmax(0, 1fr) 21rem;
  gap: 1rem;
  min-height: calc(100vh - 6.8rem);
  padding: 1rem 1rem 7rem;
}

.glass {
  border: 1px solid var(--line);
  background: rgba(18, 18, 18, 0.72);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(20px);
}

.sidebar, .queue-panel {
  position: sticky;
  top: 1rem;
  height: calc(100vh - 8.8rem);
  border-radius: var(--radius);
  padding: 1rem;
}

.brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  color: inherit;
  text-decoration: none;
  margin-bottom: 1.2rem;
}

.brand-mark {
  display: grid;
  width: 2.8rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: var(--radius);
  color: #061107;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  box-shadow: 0 0 34px rgba(30, 215, 96, 0.45);
  overflow: hidden;
}

.brand-mark.has-image {
  background: transparent;
  box-shadow: none;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand small, .track-info span, .now-card span, .album-card span { display: block; color: var(--muted); }

.nav-list { display: grid; gap: 0.35rem; }

.nav-item {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  width: 100%;
  min-height: 2.8rem;
  padding: 0 0.8rem;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-size: var(--menu-font-size);
  transition: 300ms ease;
}

.nav-item:hover, .nav-item.active {
  color: var(--text);
  background: rgba(30, 215, 96, 0.12);
  box-shadow: inset 0 0 0 1px rgba(30, 215, 96, 0.28);
}

.nav-icon {
  display: inline-grid;
  width: 1.05rem;
  height: 1.05rem;
  flex: 0 0 auto;
  place-items: center;
  font-size: 1.05rem;
}

.nav-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-item.active .nav-icon svg, .nav-item:hover .nav-icon svg {
  filter: drop-shadow(0 0 8px rgba(30, 215, 96, 0.42));
}

.premium-box {
  margin-top: 1.2rem;
  padding: 1rem;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(30, 215, 96, 0.18), rgba(142, 231, 255, 0.08));
}

.premium-box p, .eyebrow {
  margin: 0 0 0.35rem;
  color: var(--primary-hover);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.premium-box #premiumLabel {
  font-size: inherit;
}

.content { min-width: 0; }

.view { display: none; animation: rise 420ms ease both; }
.view.active { display: block; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  min-height: 4.2rem;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  position: relative;
}

.account-menu { position: relative; }

.account-button {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0.25rem 0.75rem 0.25rem 0.3rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
}

.account-button.guest-only {
  padding: 0.25rem 0.95rem;
}

.account-button img {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  object-fit: cover;
}

.account-button img[hidden] {
  display: none;
}

.account-popover {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  z-index: 30;
  display: grid;
  gap: 0.45rem;
  width: min(16rem, 82vw);
  padding: 0.8rem;
  border-radius: var(--radius);
}

.account-popover[hidden] { display: none; }

.account-popover small {
  color: var(--muted);
}

.account-popover button, .avatar-upload {
  width: 100%;
  min-height: 2.4rem;
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  text-align: left;
}

.avatar-upload input { display: none; }

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(1.75rem, 4vw, 3.8rem); line-height: 0.95; }
h2 { margin-bottom: 0.7rem; }
p { color: var(--muted); line-height: 1.7; }

.hero-panel {
  display: grid;
  grid-template-columns: minmax(15rem, 22rem) 1fr;
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
  min-height: 28rem;
  padding: clamp(1rem, 4vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(24, 24, 24, 0.98), rgba(18, 18, 18, 0.64)),
    url("assets/cover.png") center/cover;
  overflow: hidden;
  position: relative;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 8, 8, 0.82), rgba(8, 8, 8, 0.34));
}

.hero-art, .hero-copy { position: relative; z-index: 1; }

.hero-art {
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(30, 215, 96, 0.26);
}

.hero-copy h2 {
  max-width: 12ch;
  font-size: clamp(2rem, 6vw, 5rem);
  line-height: 0.95;
}

.hero-copy p { max-width: 44rem; }

.hero-actions, .player-controls, .volume-wrap, .progress-wrap { display: flex; align-items: center; gap: 0.7rem; }

.primary-button, .ghost-button, .soft-button, .text-button {
  min-height: 2.75rem;
  padding: 0 1rem;
  border-radius: var(--radius);
  transition: 300ms ease;
}

.primary-button {
  color: #041006;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  box-shadow: 0 0 34px rgba(30, 215, 96, 0.34);
}

.ghost-button, .soft-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.icon-text-button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.icon-text-button svg {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.text-button { background: transparent; color: var(--primary-hover); }

.primary-button:hover, .ghost-button:hover, .soft-button:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 18px 42px rgba(30, 215, 96, 0.18);
}

.song-card:hover, .album-card:hover {
  border-color: rgba(30, 215, 96, 0.32);
  box-shadow: 0 12px 30px rgba(30, 215, 96, 0.12);
}

.section-band { margin-top: 1rem; }

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 0.8rem;
}

.song-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.song-card, .album-card, .stats-grid article, .admin-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(24, 24, 24, 0.78);
  transition: 300ms ease;
}

.song-card {
  display: grid;
  gap: 0.7rem;
  padding: 0.8rem;
}

.song-card img, .album-card img, .now-card img {
  border-radius: var(--radius);
  aspect-ratio: 1;
  object-fit: cover;
}

.song-card button { justify-self: start; }

.split {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1rem;
}

.album-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
.album-card { padding: 0.8rem; }

.generated-art {
  aspect-ratio: 1;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 210, 122, 0.9), rgba(30, 215, 96, 0.54)),
    repeating-linear-gradient(90deg, rgba(255,255,255,.18) 0 2px, transparent 2px 15px);
}

.recent-panel { padding: 1rem; border-radius: var(--radius); }

.song-list { display: grid; gap: 0.6rem; }

.song-row {
  display: grid;
  grid-template-columns: 2.4rem 1fr auto auto;
  gap: 0.8rem;
  align-items: center;
  min-height: 4rem;
  padding: 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  transition: 300ms ease;
}

.song-row:hover, .song-row.playing {
  border-color: rgba(30, 215, 96, 0.38);
  background: rgba(30, 215, 96, 0.09);
}

.song-row img { width: 2.4rem; border-radius: 6px; aspect-ratio: 1; object-fit: cover; }
.song-row small { color: var(--muted); }

.search-box {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin: 1rem 0;
  min-height: 3.8rem;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
}

.library-layout, .admin-grid, .stats-grid, .auth-layout {
  display: grid;
  gap: 1rem;
}

.library-layout { grid-template-columns: 1fr 1fr; }
.auth-layout { grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.7fr); margin-top: 1rem; }
.stats-grid { grid-template-columns: repeat(4, 1fr); margin: 1rem 0; }

.stats-grid article { padding: 1rem; }
.stats-grid span, .stats-grid small { color: var(--muted); }
.stats-grid b { display: block; margin: 0.45rem 0; font-size: 1.7rem; }
.stats-grid small { color: var(--primary-hover); }

.admin-grid { grid-template-columns: 1fr 1fr; }
.admin-card, .auth-card { padding: 1rem; border-radius: var(--radius); }

.upload-form { display: grid; gap: 0.7rem; }

.upload-form input, .upload-form textarea, .upload-form select {
  width: 100%;
  min-height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.upload-form input[type="range"] {
  min-height: auto;
  padding: 0;
  accent-color: var(--primary);
}

.upload-form textarea { min-height: 6rem; resize: vertical; }
.upload-form select { appearance: none; }
.form-status { min-height: 1.5rem; margin: 0; color: var(--primary-hover); }
.check-list { color: var(--muted); line-height: 2; padding-left: 1.1rem; }

.notice-box {
  margin: 0.8rem 0 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(30, 215, 96, 0.22);
  border-radius: var(--radius);
  background: rgba(30, 215, 96, 0.08);
  color: var(--muted);
}

.mini-row {
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.mini-row small {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
}

.user-editor {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.user-editor input, .user-editor select {
  width: 100%;
  min-height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.55rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.user-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.danger-button {
  color: #fff;
  border-color: rgba(239, 68, 68, 0.45);
  background: rgba(239, 68, 68, 0.16);
}

.admin-users {
  margin-top: 0.8rem;
  max-height: 15rem;
  overflow: auto;
}

.chart {
  display: flex;
  align-items: end;
  gap: 0.55rem;
  height: 10rem;
  padding-top: 1rem;
}

.chart span {
  flex: 1;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(var(--primary-hover), rgba(30, 215, 96, 0.18));
}

.queue-panel { overflow: hidden; }
.now-card { margin-bottom: 1rem; }
.lyrics-mini { display: grid; gap: 0.55rem; max-height: 12rem; overflow: hidden; }
.lyric-line {
  width: 100%;
  padding: 0.18rem 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  text-align: left;
  transition: 300ms ease;
}
.lyric-line:disabled {
  cursor: default;
  opacity: 1;
}
.lyric-line.active { color: var(--primary-hover); font-weight: 900; text-shadow: 0 0 22px rgba(30, 215, 96, 0.7); }

.equalizer {
  display: none;
  align-items: end;
  gap: 0.35rem;
  height: 5rem;
  margin-top: 1rem;
}

.equalizer span {
  width: 100%;
  min-height: 18%;
  border-radius: 999px;
  background: linear-gradient(var(--cyan), var(--primary));
  animation: bounce 900ms infinite ease-in-out alternate;
}

.equalizer span:nth-child(2) { animation-delay: 120ms; }
.equalizer span:nth-child(3) { animation-delay: 240ms; }
.equalizer span:nth-child(4) { animation-delay: 80ms; }
.equalizer span:nth-child(5) { animation-delay: 180ms; }
@keyframes bounce { to { height: 100%; } }

.mini-player {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 10;
  display: grid;
  grid-template-columns: 3.2rem 12rem minmax(14rem, 22rem) 1fr 9rem;
  gap: 1rem;
  align-items: center;
  min-height: 5rem;
  padding: 0.75rem;
  border-radius: var(--radius);
}

.cover-button, .icon-button, .play-button {
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
}

.cover-button { width: 3.2rem; aspect-ratio: 1; padding: 0; overflow: hidden; }
.icon-button { width: 2.5rem; aspect-ratio: 1; }
.play-button {
  width: 3rem;
  aspect-ratio: 1;
  color: #031006;
  background: var(--primary);
}

.progress-wrap input, .volume-wrap input { width: 100%; accent-color: var(--primary); }

.bottom-nav { display: none; }

.full-player {
  width: min(72rem, calc(100vw - 2rem));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  color: var(--text);
  background: rgba(8, 8, 8, 0.88);
  overflow: hidden;
}

.full-player::backdrop { background: rgba(0, 0, 0, 0.72); backdrop-filter: blur(14px); }
.full-bg { position: absolute; inset: 0; background: url("assets/cover.png") center/cover; filter: blur(34px); opacity: 0.34; }
.close-modal { position: absolute; right: 1rem; top: 1rem; z-index: 2; }

.full-layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(16rem, 28rem) 1fr;
  gap: 2rem;
  padding: 2rem;
}

.full-layout > img {
  border-radius: var(--radius);
  box-shadow: 0 30px 90px rgba(30, 215, 96, 0.3);
}

.waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 5rem;
  margin: 1rem 0;
}

.waveform span {
  flex: 1;
  min-height: 10%;
  border-radius: 999px;
  background: rgba(30, 215, 96, 0.45);
}

.lyrics-large {
  max-height: 20rem;
  overflow: auto;
  padding-right: 0.5rem;
  font-size: 1.35rem;
}

@media (max-width: 1180px) {
  .app-shell { grid-template-columns: 14rem minmax(0, 1fr); }
  .queue-panel { display: none; }
  .song-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .mini-player { grid-template-columns: 3.2rem 1fr minmax(13rem, 19rem) 1fr; }
  .volume-wrap { display: none; }
}

@media (max-width: 780px) {
  .loading-shell { grid-template-columns: 1fr; }
  .app-shell { display: block; padding: 0.75rem 0.75rem 10rem; }
  .sidebar { display: none; }
  .drawer-button { display: grid; }
  .topbar { align-items: start; flex-wrap: wrap; }
  .top-actions { width: 100%; justify-content: space-between; }
  .hero-panel, .split, .library-layout, .admin-grid, .auth-layout, .full-layout { grid-template-columns: 1fr; }
  .hero-panel { min-height: auto; }
  .hero-copy h2 { font-size: 2.5rem; }
  .song-grid, .album-row, .stats-grid { grid-template-columns: 1fr; }
  .mini-player {
    left: 0.75rem;
    right: 0.75rem;
    bottom: 4.7rem;
    grid-template-columns: 3rem 1fr auto;
  }
  .progress-wrap { grid-column: 1 / -1; }
  .player-controls .icon-button { display: none; }
  .bottom-nav {
    position: fixed;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    z-index: 11;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.35rem;
    padding: 0.35rem;
    border-radius: var(--radius);
  }
}

@media (max-width: 520px) {
  .account-button span { max-width: 9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .mini-player { grid-template-columns: 2.8rem 1fr auto; }
  .hero-actions { align-items: stretch; flex-direction: column; }
}

@media (min-width: 781px) {
  .drawer-button { display: none; }
}