:root[data-theme="alienworld"] {
  --scene-accent: #56f7c4;
  --scene-glow: rgba(86, 247, 196, 0.3);
  --card-playing-edge: rgba(86, 247, 196, 0.9);
  --card-playing-glow: rgba(86, 247, 196, 0.28);
  --mask-ink: #000;

  --bg-0: #0a1210;
  --bg-1: #0f1b17;
  --bg-2: #152521;
  --bg-3: #1e312c;

  --panel: #0f1c18;
  --panel-border: #2d3d37;

  --text-primary: #e8fff7;
  --text-secondary: #b4d9c9;
  --text-muted: #7f9b8d;

  --accent-ember: #ff7c3a;
  --accent-cyan: #56f7c4;
  --accent-gold: #e6d26a;

  --player-bg: #0b1412;
  --player-surface: #101d19;
  --player-surface-strong: #142521;
  --player-border: #2d3d37;
  --player-track: #1a2b25;
  --player-rail: #253a33;
  --player-thumb: #f2fffb;
  --player-accent: #56f7c4;
  --player-accent-strong: #86ffe0;
  --player-glow: rgba(86, 247, 196, 0.3);
  --player-muted: #8fb0a1;
  --player-text: #f4fffb;

  --tabs-pill: rgba(255, 255, 255, 0.06);
  --tabs-pill-active: rgba(86, 247, 196, 0.2);
  --tabs-card-highlight: rgba(86, 247, 196, 0.2);
  --tabs-panel-shadow: rgba(0, 0, 0, 0.55);
  --tabs-card-shadow: rgba(0, 0, 0, 0.45);
  --tabs-icon: #dff6ef;

  --board-header-bg: #132320;
  --board-section-bg: #0f1b17;
  --board-border: #2d3d37;
  --board-empty-bg: rgba(0, 0, 0, 0.25);
  --board-title-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.7));
  --board-row-bg: rgba(9, 14, 12, 0.6);
  --board-row-hover: rgba(9, 14, 12, 0.85);
  --board-row-border: rgba(255, 255, 255, 0.06);
  --board-remove-bg: rgba(8, 11, 10, 0.7);
  --board-remove-border: rgba(255, 255, 255, 0.12);
  --board-picker-bg: var(--overlay-panel);
  --board-picker-border: var(--overlay-border);
  --board-picker-list-bg: rgba(9, 14, 12, 0.6);
  --board-picker-row-hover: rgba(86, 247, 196, 0.08);

  --filter-input-bg: rgba(0, 0, 0, 0.35);
  --cover-empty-bg: rgba(0, 0, 0, 0.25);

  --overlay-backdrop: rgba(7, 10, 9, 0.78);
  --overlay-panel: #14211d;
  --overlay-border: #2d3d37;
  --overlay-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --progress-track: #1a2b25;
  --progress-fill: var(--accent-cyan);

  --app-bg-accent: #111f1b;
  --app-bg-base: var(--bg-0);
  --header-bg-top: #0f1a16;
  --header-bg-bottom: #0a1210;
  --button-bg-top: #1b2b25;
  --button-bg-bottom: #14211d;
  --button-bg-hover-top: #20342d;
  --button-bg-hover-bottom: #172722;
  --scrollbar-thumb: #2d3d37;

  --card-sheen-top: rgba(255, 255, 255, 0.05);
  --card-sheen-bottom: rgba(255, 255, 255, 0.02);
  --card-surface-top: #1a2b25;
  --card-surface-bottom: #101d19;
  --image-wrap-top: rgba(0, 0, 0, 0.2);
  --image-wrap-bottom: rgba(0, 0, 0, 0.6);
  --image-wrap-border: rgba(255, 255, 255, 0.05);
  --image-placeholder-bg: rgba(6, 10, 9, 0.45);
  --image-action-border: rgba(255, 255, 255, 0.16);
  --image-action-bg: rgba(8, 12, 11, 0.75);
  --queue-btn-bg: rgba(8, 12, 11, 0.7);
  --card-hover-shadow: 0 12px 28px rgba(0, 0, 0, 0.6);

  --meta-input-bg: rgba(0, 0, 0, 0.35);
  --dialog-confirm-top: #1e2f29;
  --dialog-confirm-bottom: #16241f;
  --menu-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
  --landing-shell-bg: linear-gradient(
    135deg,
    rgba(17, 31, 27, 0.96),
    rgba(9, 14, 12, 0.98)
  );
  --landing-shell-border: rgba(86, 247, 196, 0.18);
  --landing-shell-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --landing-shell-glow: rgba(86, 247, 196, 0.2);
  --landing-shell-border-strong: rgba(86, 247, 196, 0.6);
  --landing-card-bg: linear-gradient(160deg, rgba(24, 42, 37, 0.9), rgba(12, 20, 18, 0.95));
  --landing-card-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  --landing-bg-accent-a: rgba(86, 247, 196, 0.15);
  --landing-bg-accent-b: rgba(255, 124, 58, 0.18);

  --tab-cover-placeholder-bg: rgba(6, 10, 9, 0.5);

  --player-shadow: 0 -20px 60px rgba(3, 6, 5, 0.75);
  --player-shell-top: rgba(17, 31, 27, 0.9);
  --player-shell-bottom: rgba(9, 14, 12, 0.95);
  --player-control-top: var(--player-surface-strong);
  --player-control-bottom: #0f1a16;
  --player-control-ring: 0 0 0 2px rgba(86, 247, 196, 0.16);
  --player-play-top: #1a2b25;
  --player-play-bottom: #0f1a16;
  --player-play-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  --player-thumb-ring: 0 0 0 4px rgba(86, 247, 196, 0.2);
  --player-ring: 0 0 0 2px rgba(86, 247, 196, 0.2);
  --player-ring-strong: 0 0 0 2px rgba(86, 247, 196, 0.25);
  --queue-panel-top: rgba(10, 15, 13, 0.96);
  --queue-panel-bottom: rgba(8, 12, 11, 0.98);
  --queue-panel-shadow: 0 16px 32px rgba(3, 6, 5, 0.45);
  --queue-item-bg: rgba(17, 31, 27, 0.4);
  --queue-item-active-bg: rgba(19, 36, 31, 0.85);
  --queue-item-active-edge: rgba(86, 247, 196, 0.9);
  --queue-item-next-bg: rgba(15, 26, 23, 0.7);
  --queue-item-drop: rgba(86, 247, 196, 0.6);
  --player-panel-bg: rgba(9, 14, 12, 0.95);
  --player-panel-shadow: 0 12px 24px rgba(3, 6, 5, 0.35);
  --player-volume-bg: rgba(9, 14, 12, 0.7);
}