:root {
      --bg: #000000;
      --panel: rgba(255, 255, 255, 0.05);
      --panel-2: rgba(255, 255, 255, 0.08);
      --border: rgba(255, 255, 255, 0.10);
      --text: #ffffff;
      --muted: rgba(255, 255, 255, 0.68);
      --soft: rgba(255, 255, 255, 0.42);
      --shadow: 0 20px 80px rgba(0, 0, 0, 0.55);
      --radius-xl: 30px;
      --radius-lg: 22px;
      --safe-top: env(safe-area-inset-top, 0px);
      --safe-bottom: env(safe-area-inset-bottom, 0px);
      --page-padding: clamp(16px, 2vw, 28px);
      --player-max-width: 500px;
      --player-max-height: 860px;
      --art-max: 360px;
      --control-size: 58px;
      --transport-size: 66px;
      --topbar-btn-size: 42px;
      --transition: 180ms ease;
      --font-stack: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      --real-vh: 100vh;
    }

    * {
      box-sizing: border-box;
      -webkit-tap-highlight-color: transparent;
    }

    html,
    body {
      margin: 0;
      width: 100%;
      height: 100%;
      background: var(--bg);
      color: var(--text);
      font-family: var(--font-stack);
      overflow: hidden;
    }

    body {
      min-height: var(--real-vh);
      min-height: 100svh;
      min-height: 100dvh;
      position: relative;
      background: #000000;
    }

    .app {
      min-height: var(--real-vh);
      min-height: 100svh;
      min-height: 100dvh;
      width: 100%;
      display: grid;
      place-items: center;
      padding:
        calc(var(--safe-top) + 12px)
        var(--page-padding)
        calc(var(--safe-bottom) + 12px);
    }

    .player-shell {
      width: 100%;
      max-width: var(--player-max-width);
      height: 100%;
      max-height: var(--player-max-height);
      display: flex;
      align-items: stretch;
      justify-content: center;
    }

    .player {
      width: 100%;
      height: 100%;
      display: grid;
      grid-template-rows: auto minmax(0, 1fr) auto auto;
      gap: clamp(14px, 2.2vh, 22px);
      padding: clamp(18px, 2.4vw, 26px);
      border-radius: var(--radius-xl);
      overflow: hidden;
      position: relative;
    }

    .player::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      border-radius: inherit;
    }

    .topbar,
    .hero,
    .bottom,
    .footer-row {
      position: relative;
      z-index: 1;
    }

    .topbar {
      display: grid;
      grid-template-columns: var(--topbar-btn-size) 1fr var(--topbar-btn-size);
      align-items: center;
      gap: 12px;
      min-height: 42px;
    }

    .topbar-btn {
      width: var(--topbar-btn-size);
      height: var(--topbar-btn-size);
      border-radius: 50%;
      border: 1px solid var(--border);
      background: var(--panel);
      color: var(--text);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition:
        transform var(--transition),
        background var(--transition),
        border-color var(--transition),
        opacity var(--transition);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
      padding: 0;
      outline: none;
      user-select: none;
      -webkit-user-select: none;
      touch-action: manipulation;
    }

    .topbar-btn:hover {
      background: var(--panel-2);
    }

    .topbar-btn:active {
      transform: scale(0.96);
    }

    .topbar-btn svg {
      width: 20px;
      height: 20px;
      display: block;
    }

    .topbar-center {
      display: flex;
      align-items: center;
      justify-content: center;
      min-width: 0;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .brand-mark img {
      width: 100%;
      height: 100%;
      display: block;
    }

    .hero {
      min-height: 0;
      display: grid;
      align-content: center;
      justify-items: center;
      gap: clamp(14px, 2vh, 20px);
    }

    .artwork-wrap {
      width: min(80%, var(--art-max));
      aspect-ratio: 1 / 1;
      border-radius: 24px;
      overflow: hidden;
      position: relative;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      box-shadow:
        0 18px 36px rgba(0,0,0,0.45),
        inset 0 1px 0 rgba(255,255,255,0.06);
    }

    .artwork,
    .artwork-video {
      width: 100%;
      height: 100%;
      display: block;
      object-fit: cover;
      user-select: none;
      -webkit-user-drag: none;
    }

    .artwork-video {
      position: absolute;
      inset: 0;
      background: #000;
    }

    .is-video #artwork {
      display: none;
    }

    .is-image #artworkVideo {
      display: none;
    }

    .meta {
      width: 100%;
      max-width: 92%;
      text-align: center;
      display: grid;
      gap: 2px;
    }

    .title {
      margin: 0 0 3px 0;
      font-size: clamp(24px, 3vw, 32px);
      line-height: 1.05;
      letter-spacing: -0.03em;
      font-weight: 700;
      text-wrap: balance;
    }

    .artist {
      margin: 0;
      font-size: clamp(15px, 1.5vw, 17px);
      color: var(--muted);
      font-weight: 500;
    }

    .submeta {
      margin: 0;
      font-size: 12px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--soft);
      font-weight: 600;
    }

    .bottom {
      display: grid;
      gap: 16px;
    }

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

    .range-wrap {
      position: relative;
      width: 100%;
      height: 18px;
      display: flex;
      align-items: center;
    }

    input[type="range"] {
      -webkit-appearance: none;
      appearance: none;
      width: 100%;
      background: transparent;
      cursor: pointer;
      margin: 0;
    }

    input[type="range"]::-webkit-slider-runnable-track {
      height: 4px;
      border-radius: 999px;
      background:
        linear-gradient(
          90deg,
          rgba(255,255,255,0.96) 0%,
          rgba(255,255,255,0.96) var(--progress, 0%),
          rgba(255,255,255,0.16) var(--progress, 0%),
          rgba(255,255,255,0.16) 100%
        );
    }

    input[type="range"]::-webkit-slider-thumb {
      -webkit-appearance: none;
      appearance: none;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: #fff;
      border: none;
      margin-top: -6px;
      box-shadow: 0 0 0 4px rgba(255,255,255,0.08);
    }

    input[type="range"]::-moz-range-track {
      height: 4px;
      border-radius: 999px;
      background: rgba(255,255,255,0.16);
    }

    input[type="range"]::-moz-range-progress {
      height: 4px;
      border-radius: 999px;
      background: rgba(255,255,255,0.96);
    }

    input[type="range"]::-moz-range-thumb {
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: #fff;
      border: none;
      box-shadow: 0 0 0 4px rgba(255,255,255,0.08);
    }

    .time-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: var(--soft);
      font-weight: 600;
      letter-spacing: 0.04em;
      font-variant-numeric: tabular-nums;
    }

    .controls {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: clamp(14px, 2vw, 18px);
    }

    .icon-btn,
    .play-btn {
      border: 0;
      outline: none;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition:
        transform var(--transition),
        background var(--transition),
        opacity var(--transition),
        border-color var(--transition);
      user-select: none;
      -webkit-user-select: none;
      touch-action: manipulation;
    }

    .icon-btn:active,
    .play-btn:active {
      transform: scale(0.96);
    }

    .icon-btn {
      width: var(--control-size);
      height: var(--control-size);
      border-radius: 50%;
      background: var(--panel);
      border: 1px solid var(--border);
      color: var(--text);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
    }

    .icon-btn:hover {
      background: var(--panel-2);
    }

    .play-btn {
      width: var(--transport-size);
      height: var(--transport-size);
      border-radius: 50%;
      background: #fff;
      color: #000;
      box-shadow: 0 8px 24px rgba(255,255,255,0.18);
      flex: 0 0 auto;
    }

    .icon-btn svg,
    .play-btn svg {
      width: 24px;
      height: 24px;
      display: block;
    }

    .play-btn svg {
      width: 28px;
      height: 28px;
    }

    .footer-row {
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 16px;
    }

    .status-text {
      font-size: 11px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      font-weight: 600;
      color: var(--soft);
      text-align: center;
      min-height: 1em;
    }

    .playlist-drawer {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 10;
      padding: 12px 12px calc(12px + var(--safe-bottom));
      pointer-events: none;
    }

    .playlist-panel {
      border-radius: var(--radius-lg) var(--radius-lg) 0 0;
      background:
        linear-gradient(180deg, rgba(20,20,20,0.98), rgba(8,8,8,0.98));
      border: 1px solid rgba(255,255,255,0.10);
      box-shadow: 0 -24px 80px rgba(0,0,0,0.5);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      overflow: hidden;
      transform: translateY(calc(100% + 24px));
      opacity: 0;
      transition:
        transform 240ms ease,
        opacity 240ms ease;
      max-height: min(52vh, 420px);
      display: grid;
      grid-template-rows: auto minmax(0, 1fr);
      pointer-events: auto;
    }

    .playlist-drawer.open {
      pointer-events: auto;
    }

    .playlist-drawer.open .playlist-panel {
      transform: translateY(0);
      opacity: 1;
    }

    .playlist-header {
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      padding: 14px 18px 12px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .playlist-handle {
      position: absolute;
      top: 8px;
      left: 50%;
      transform: translateX(-50%);
      width: 42px;
      height: 4px;
      border-radius: 999px;
      background: rgba(255,255,255,0.18);
    }

    .playlist-title {
      font-size: 11px;
      letter-spacing: 0.16em;
      text-transform: uppercase;
      font-weight: 600;
      color: var(--muted);
      margin-top: 6px;
    }

    .playlist-list {
      overflow: auto;
      -webkit-overflow-scrolling: touch;
      padding: 8px;
    }

    .playlist-item {
      width: 100%;
      display: grid;
      grid-template-columns: 52px minmax(0, 1fr) auto;
      align-items: center;
      gap: 12px;
      padding: 10px;
      border: 0;
      background: transparent;
      color: var(--text);
      border-radius: 16px;
      cursor: pointer;
      transition: background var(--transition), transform var(--transition);
      text-align: left;
    }

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

    .playlist-item:active {
      transform: scale(0.995);
    }

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

    .playlist-thumb {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      object-fit: cover;
      display: block;
      border: 1px solid rgba(255,255,255,0.08);
      background: rgba(255,255,255,0.05);
    }

    .playlist-copy {
      min-width: 0;
      display: grid;
      gap: 4px;
    }

    .playlist-track-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--text);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .playlist-track-meta {
      font-size: 12px;
      color: var(--muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .playlist-indicator {
      font-size: 11px;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      font-weight: 600;
      color: var(--soft);
    }

    .drawer-backdrop {
      position: absolute;
      inset: 0;
      z-index: 9;
      background: rgba(0,0,0,0.35);
      opacity: 0;
      pointer-events: none;
      transition: opacity 240ms ease;
    }

    .drawer-backdrop.visible {
      opacity: 1;
      pointer-events: auto;
    }

    audio {
      display: none;
    }

    @media (max-width: 767px) {
      :root {
        --page-padding: 0px;
        --player-max-width: 100%;
        --player-max-height: none;
        --art-max: min(76vw, 360px);
        --control-size: 56px;
        --transport-size: 66px;
      }

      .app {
        padding:
          max(10px, var(--safe-top))
          0
          max(10px, var(--safe-bottom));
      }

      .player-shell {
        max-width: none;
        max-height: none;
      }

      .player {
        border-radius: 0;
        border-left: 0;
        border-right: 0;
        height: 100%;
        min-height: 100%;
        padding:
          clamp(18px, 4vw, 24px)
          clamp(18px, 5vw, 24px)
          calc(clamp(18px, 4vw, 24px) + var(--safe-bottom));
        box-shadow: none;
      }

      .meta {
        max-width: 100%;
      }

      .playlist-drawer {
        padding-left: 0;
        padding-right: 0;
        padding-bottom: 0;
      }

      .playlist-panel {
        border-left: 0;
        border-right: 0;
        border-bottom: 0;
        border-radius: 22px 22px 0 0;
        max-height: min(58vh, 460px);
      }
    }

    @media (min-width: 768px) {
      .player-shell {
        height: min(92vh, var(--player-max-height));
        height: min(92svh, var(--player-max-height));
        height: min(92dvh, var(--player-max-height));
      }
    }

    @media (prefers-reduced-motion: reduce) {
      * {
        scroll-behavior: auto !important;
        transition: none !important;
      }
    }