:root[data-theme="ironclad"] {
  --scene-accent: #d6a85c;
  --scene-glow: rgba(214, 168, 92, 0.3);
  --card-playing-edge: rgba(214, 168, 92, 0.9);
  --card-playing-glow: rgba(214, 168, 92, 0.28);
  --mask-ink: #000;

  --bg-0: #14110f;
  --bg-1: #1b1714;
  --bg-2: #25201c;
  --bg-3: #2f2823;

  --panel: #1a1613;
  --panel-border: #3c332c;

  --text-primary: #f1e8dd;
  --text-secondary: #c2b4a4;
  --text-muted: #8b7c6d;

  --accent-ember: #c86b43;
  --accent-cyan: #d6a85c;
  --accent-gold: #e3c07a;

  --player-bg: #15120f;
  --player-surface: #1c1814;
  --player-surface-strong: #241f1a;
  --player-border: #3a3028;
  --player-track: #2a241f;
  --player-rail: #3a3129;
  --player-thumb: #f6f0e7;
  --player-accent: #d6a85c;
  --player-accent-strong: #f2c87a;
  --player-glow: rgba(214, 168, 92, 0.3);
  --player-muted: #9a8a79;
  --player-text: #f7f1e8;

  --tabs-pill: rgba(255, 255, 255, 0.05);
  --tabs-pill-active: rgba(214, 168, 92, 0.2);
  --tabs-card-highlight: rgba(214, 168, 92, 0.2);
  --tabs-panel-shadow: rgba(0, 0, 0, 0.5);
  --tabs-card-shadow: rgba(0, 0, 0, 0.4);
  --tabs-icon: #e7ddd1;

  --board-header-bg: #221d18;
  --board-section-bg: #1b1714;
  --board-border: #3c332c;
  --board-empty-bg: rgba(0, 0, 0, 0.22);
  --board-title-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.7));
  --board-row-bg: rgba(16, 12, 10, 0.6);
  --board-row-hover: rgba(16, 12, 10, 0.85);
  --board-row-border: rgba(255, 255, 255, 0.06);
  --board-remove-bg: rgba(10, 8, 7, 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(12, 9, 7, 0.6);
  --board-picker-row-hover: rgba(214, 168, 92, 0.08);

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

  --overlay-backdrop: rgba(10, 8, 7, 0.78);
  --overlay-panel: #201a16;
  --overlay-border: #3c332c;
  --overlay-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --progress-track: #2a241f;
  --progress-fill: var(--accent-cyan);

  --app-bg-accent: #1f1a15;
  --app-bg-base: var(--bg-0);
  --header-bg-top: #1b1612;
  --header-bg-bottom: #14110f;
  --button-bg-top: #2a241f;
  --button-bg-bottom: #1f1915;
  --button-bg-hover-top: #312b24;
  --button-bg-hover-bottom: #231c17;
  --scrollbar-thumb: #3c332c;

  --card-sheen-top: rgba(255, 255, 255, 0.04);
  --card-sheen-bottom: rgba(255, 255, 255, 0.01);
  --card-surface-top: #28221d;
  --card-surface-bottom: #1a1613;
  --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, 0.04);
  --image-placeholder-bg: rgba(8, 6, 5, 0.45);
  --image-action-border: rgba(255, 255, 255, 0.15);
  --image-action-bg: rgba(10, 8, 7, 0.75);
  --queue-btn-bg: rgba(10, 8, 7, 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: #2b241e;
  --dialog-confirm-bottom: #211a16;
  --menu-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
  --landing-shell-bg: linear-gradient(
    135deg,
    rgba(28, 23, 19, 0.96),
    rgba(16, 12, 10, 0.98)
  );
  --landing-shell-border: rgba(214, 168, 92, 0.18);
  --landing-shell-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --landing-shell-glow: rgba(214, 168, 92, 0.2);
  --landing-shell-border-strong: rgba(214, 168, 92, 0.6);
  --landing-card-bg: linear-gradient(160deg, rgba(34, 28, 24, 0.9), rgba(18, 14, 12, 0.95));
  --landing-card-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
  --landing-bg-accent-a: rgba(214, 168, 92, 0.15);
  --landing-bg-accent-b: rgba(200, 107, 67, 0.18);

  --tab-cover-placeholder-bg: rgba(8, 6, 5, 0.5);

  --player-shadow: 0 -20px 60px rgba(6, 4, 3, 0.75);
  --player-shell-top: rgba(28, 23, 19, 0.9);
  --player-shell-bottom: rgba(16, 12, 10, 0.95);
  --player-control-top: var(--player-surface-strong);
  --player-control-bottom: #1a1512;
  --player-control-ring: 0 0 0 2px rgba(214, 168, 92, 0.16);
  --player-play-top: #2b231e;
  --player-play-bottom: #1a1512;
  --player-play-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  --player-thumb-ring: 0 0 0 4px rgba(214, 168, 92, 0.2);
  --player-ring: 0 0 0 2px rgba(214, 168, 92, 0.2);
  --player-ring-strong: 0 0 0 2px rgba(214, 168, 92, 0.25);
  --queue-panel-top: rgba(12, 9, 7, 0.96);
  --queue-panel-bottom: rgba(9, 7, 6, 0.98);
  --queue-panel-shadow: 0 16px 32px rgba(6, 4, 3, 0.45);
  --queue-item-bg: rgba(28, 23, 19, 0.4);
  --queue-item-active-bg: rgba(32, 26, 22, 0.85);
  --queue-item-active-edge: rgba(214, 168, 92, 0.9);
  --queue-item-next-bg: rgba(24, 18, 16, 0.7);
  --queue-item-drop: rgba(214, 168, 92, 0.6);
  --player-panel-bg: rgba(16, 12, 10, 0.95);
  --player-panel-shadow: 0 12px 24px rgba(6, 4, 3, 0.35);
  --player-volume-bg: rgba(16, 12, 10, 0.7);
}