/* ── Design Tokens ──────────────────────────────────────────────── */
:root,
[data-theme="current"],
[data-theme="dark"] {
  color-scheme: dark;

  /* Palette — base colours */
  --bg: #11141c;
  --app-bg: #11141c;
  --canvas-bg: #11141c;
  --surface-bg: #171d2a;
  --surface-bg-strong: #1b2130;
  --panel-bg: rgba(14, 18, 27, 0.45);
  --panel-bg-solid: #171d2a;
  --sidebar-bg: linear-gradient(180deg, #1b2130 0%, #171d2a 100%);
  --toolbar-bg: linear-gradient(180deg, #171d2a 0%, #131824 100%);
  --status-bg: rgba(21, 26, 39, 0.88);
  --status-border: rgba(154, 164, 181, 0.35);
  --status-separator: rgba(154, 164, 181, 0.3);
  --overlay-bg: rgba(0, 0, 0, 0.65);
  --overlay-bg-strong: rgba(0, 0, 0, 0.75);
  --modal-bg: rgba(0, 0, 0, 0.85);
  --checker-bg: repeating-conic-gradient(#2a2a2a 0% 25%, #1a1a1a 0% 50%) 0 0 / 12px 12px;
  --checker-bg-small: repeating-conic-gradient(#3a3a4a 0% 25%, #2a2a3a 0% 50%) 0 0 / 8px 8px;
  --checker-a: #3a3a4a;
  --checker-b: #2a2a3a;
  --checker-dark-a: #1a1a2a;
  --checker-dark-b: #111120;
  --canvas-grid-minor: #2f3747;
  --canvas-grid-major: #59627a;
  --canvas-bounds: #92a2ca;
  --canvas-selection: #6ff3df;
  --canvas-preview-fill: rgba(93, 122, 168, 0.45);
  --canvas-preview-stroke: #7eb6ff;
  --canvas-preview-text: #e8eef9;
  --panel-border: #38425c;
  --border: var(--panel-border);
  --text: #d6deeb;
  --text-light: #cad5e7;
  --heading-text: #f2f5fb;
  --muted: #98a2b8;
  --text-dim: #6b7a9a;
  --accent: #7eb6ff;
  --accent-border: #618fd0;
  --accent-bg: #173760;
  --accent-bg-hover: #1d4679;
  --default-entity: #ff4fa3;
  --pick: #ffd673;
  --control-bg: #1a2232;
  --input-bg: #141a27;
  --input-border: #46506a;
  --input-border-hover: #6d7a98;
  --active-bg: #1a2f4b;
  --item-bg: #1d2a3f;
  --item-border: #5f6e90;
  --item-border-hover: #7e90b7;
  --bg-panel: var(--panel-bg-solid);
  --bg-hover: var(--active-bg);

  /* Semantic — buttons */
  --btn-primary-bg: var(--accent-bg);
  --btn-primary-border: var(--accent-border);
  --btn-primary-hover: var(--accent-bg-hover);
  --btn-secondary-bg: var(--control-bg);
  --btn-secondary-border: var(--input-border);
  --btn-secondary-hover: var(--input-border-hover);
  --btn-danger-bg: rgba(160, 40, 40, 0.18);
  --btn-danger-border: #a33;
  --btn-danger-hover: rgba(160, 40, 40, 0.35);
  --btn-danger-text: #f88;
  --btn-danger-solid-bg: #3a1a1a;
  --btn-danger-solid-hover: #4a2222;
  --btn-danger-solid-border: #844;

  /* Semantic — feedback */
  --error-text: #ff6b6b;
  --error-text-light: #ff9a9a;
  --success-accent: #5fd4a4;

  /* Semantic — geometry */
  --btn-radius: 8px;
  --btn-radius-sm: 6px;
  --input-radius: 8px;
  --input-radius-sm: 6px;
  --panel-radius: 10px;

  /* Semantic — typography */
  --font-size-sm: 0.82rem;
  --font-size-xs: 0.72rem;

  /* Semantic — behaviour */
  --disabled-opacity: 0.45;
  --active-shadow: 0 0 0 1px rgba(126, 182, 255, 0.45) inset;
  --shadow-overlay: 0 4px 20px rgba(0, 0, 0, 0.65);
  --shadow-drawer: 4px 0 24px rgba(0, 0, 0, 0.65);
}

/* ── Base button classes ─────────────────────────────────── */
[data-theme="standard-dark"],
[data-theme="standard-light"],
[data-theme="high-contrast"],
[data-theme="warm-neutral"],
[data-theme="e-ink"] {
  --btn-primary-bg: var(--accent-bg);
  --btn-primary-border: var(--accent-border);
  --btn-primary-hover: var(--accent-bg-hover);
  --btn-secondary-bg: var(--control-bg);
  --btn-secondary-border: var(--input-border);
  --btn-secondary-hover: var(--input-border-hover);
  --btn-radius: 8px;
  --btn-radius-sm: 6px;
  --input-radius: 8px;
  --input-radius-sm: 6px;
  --panel-radius: 10px;
  --font-size-sm: 0.82rem;
  --font-size-xs: 0.72rem;
  --bg-panel: var(--panel-bg-solid);
  --bg-hover: var(--active-bg);
}

[data-theme="standard-dark"] {
  color-scheme: dark;
  --bg: #15171b; --app-bg: #15171b; --canvas-bg: #101216;
  --surface-bg: #1d2026; --surface-bg-strong: #23272f;
  --panel-bg: rgba(26, 29, 35, 0.72); --panel-bg-solid: #20242b;
  --sidebar-bg: linear-gradient(180deg, #242832 0%, #1e222a 100%);
  --toolbar-bg: linear-gradient(180deg, #20242b 0%, #191d23 100%);
  --status-bg: rgba(28, 31, 38, 0.92); --status-border: rgba(170, 179, 196, 0.26); --status-separator: rgba(170, 179, 196, 0.24);
  --overlay-bg: rgba(0, 0, 0, 0.58); --overlay-bg-strong: rgba(0, 0, 0, 0.70); --modal-bg: rgba(15, 17, 21, 0.92);
  --checker-bg: repeating-conic-gradient(#343840 0% 25%, #252932 0% 50%) 0 0 / 12px 12px;
  --checker-bg-small: repeating-conic-gradient(#3a3f49 0% 25%, #2a2f38 0% 50%) 0 0 / 8px 8px;
  --checker-a: #3a3f49; --checker-b: #2a2f38; --checker-dark-a: #262b35; --checker-dark-b: #191d24;
  --canvas-grid-minor: #303640; --canvas-grid-major: #5b6474; --canvas-bounds: #8f9bad; --canvas-selection: #67d7d0;
  --canvas-preview-fill: rgba(121, 174, 232, 0.24); --canvas-preview-stroke: #79aee8; --canvas-preview-text: #f4f6f8;
  --panel-border: #3f4654; --border: var(--panel-border);
  --text: #e1e5ec; --text-light: #f4f6f8; --heading-text: #f7f8fb; --muted: #a5adba; --text-dim: #7d8794;
  --accent: #79aee8; --accent-border: #5d8fc9; --accent-bg: #1d3d5f; --accent-bg-hover: #254b74;
  --default-entity: #e65a9b; --pick: #e4c15b;
  --control-bg: #252a33; --input-bg: #191d24; --input-border: #4f5868; --input-border-hover: #758196;
  --active-bg: #24364e; --item-bg: #262d39; --item-border: #626d80; --item-border-hover: #8490a3;
  --btn-danger-bg: rgba(188, 70, 70, 0.18); --btn-danger-border: #a95656; --btn-danger-hover: rgba(188, 70, 70, 0.32);
  --btn-danger-text: #ffaaa5; --btn-danger-solid-bg: #3a2020; --btn-danger-solid-hover: #4a2929; --btn-danger-solid-border: #8a5656;
  --error-text: #ff7474; --error-text-light: #ffaaa5; --success-accent: #70d49a;
  --disabled-opacity: 0.48; --active-shadow: 0 0 0 1px rgba(121, 174, 232, 0.42) inset;
  --shadow-overlay: 0 4px 20px rgba(0, 0, 0, 0.56); --shadow-drawer: 4px 0 24px rgba(0, 0, 0, 0.58);
}

[data-theme="standard-light"] {
  color-scheme: light;
  --bg: #eef2f7; --app-bg: #eef2f7; --canvas-bg: #f8fafc;
  --surface-bg: #ffffff; --surface-bg-strong: #f4f7fb;
  --panel-bg: rgba(255, 255, 255, 0.82); --panel-bg-solid: #ffffff;
  --sidebar-bg: linear-gradient(180deg, #f9fbfe 0%, #eef3f9 100%);
  --toolbar-bg: linear-gradient(180deg, #ffffff 0%, #edf2f8 100%);
  --status-bg: rgba(247, 250, 253, 0.94); --status-border: rgba(87, 101, 121, 0.25); --status-separator: rgba(87, 101, 121, 0.24);
  --overlay-bg: rgba(23, 32, 45, 0.38); --overlay-bg-strong: rgba(23, 32, 45, 0.50); --modal-bg: rgba(255, 255, 255, 0.96);
  --checker-bg: repeating-conic-gradient(#dfe5ee 0% 25%, #f4f7fb 0% 50%) 0 0 / 12px 12px;
  --checker-bg-small: repeating-conic-gradient(#d9e0ea 0% 25%, #f3f6fa 0% 50%) 0 0 / 8px 8px;
  --checker-a: #d9e0ea; --checker-b: #f3f6fa; --checker-dark-a: #d9e0ea; --checker-dark-b: #f3f6fa;
  --canvas-grid-minor: #d7dee9; --canvas-grid-major: #aeb9c9; --canvas-bounds: #60708a; --canvas-selection: #0f766e;
  --canvas-preview-fill: rgba(37, 99, 235, 0.16); --canvas-preview-stroke: #2563eb; --canvas-preview-text: #111827;
  --panel-border: #c3ccda; --border: var(--panel-border);
  --text: #1d2635; --text-light: #111827; --heading-text: #111827; --muted: #657286; --text-dim: #79869a;
  --accent: #2563eb; --accent-border: #2f65c8; --accent-bg: #dceaff; --accent-bg-hover: #c9ddfb;
  --default-entity: #c02672; --pick: #b7791f;
  --control-bg: #eef3fa; --input-bg: #ffffff; --input-border: #aeb9c9; --input-border-hover: #77859a;
  --active-bg: #dbeafe; --item-bg: #f7f9fc; --item-border: #b4bfd0; --item-border-hover: #7f8da2;
  --btn-danger-bg: rgba(190, 42, 42, 0.10); --btn-danger-border: #c45b5b; --btn-danger-hover: rgba(190, 42, 42, 0.18);
  --btn-danger-text: #9f1d1d; --btn-danger-solid-bg: #fff0f0; --btn-danger-solid-hover: #ffe2e2; --btn-danger-solid-border: #d47979;
  --error-text: #b42318; --error-text-light: #c8362b; --success-accent: #18885a;
  --disabled-opacity: 0.52; --active-shadow: 0 0 0 1px rgba(37, 99, 235, 0.35) inset;
  --shadow-overlay: 0 8px 28px rgba(24, 36, 56, 0.22); --shadow-drawer: 4px 0 24px rgba(24, 36, 56, 0.22);
}

[data-theme="high-contrast"] {
  color-scheme: dark;
  --bg: #000000; --app-bg: #000000; --canvas-bg: #050505; --surface-bg: #090909; --surface-bg-strong: #111111;
  --panel-bg: #080808; --panel-bg-solid: #090909; --sidebar-bg: #070707; --toolbar-bg: #000000;
  --status-bg: #000000; --status-border: #ffffff; --status-separator: #ffffff;
  --overlay-bg: rgba(0, 0, 0, 0.82); --overlay-bg-strong: rgba(0, 0, 0, 0.90); --modal-bg: #000000;
  --checker-bg: repeating-conic-gradient(#3a3a3a 0% 25%, #111 0% 50%) 0 0 / 12px 12px;
  --checker-bg-small: repeating-conic-gradient(#4a4a4a 0% 25%, #151515 0% 50%) 0 0 / 8px 8px;
  --checker-a: #4a4a4a; --checker-b: #151515; --checker-dark-a: #4a4a4a; --checker-dark-b: #151515;
  --canvas-grid-minor: #666666; --canvas-grid-major: #ffffff; --canvas-bounds: #ffffff; --canvas-selection: #00e5ff;
  --canvas-preview-fill: rgba(0, 229, 255, 0.22); --canvas-preview-stroke: #00e5ff; --canvas-preview-text: #ffffff;
  --panel-border: #ffffff; --border: var(--panel-border);
  --text: #ffffff; --text-light: #ffffff; --heading-text: #ffffff; --muted: #d8d8d8; --text-dim: #c7c7c7;
  --accent: #00e5ff; --accent-border: #00e5ff; --accent-bg: #00333a; --accent-bg-hover: #004c57;
  --default-entity: #ff4fd8; --pick: #fff500;
  --control-bg: #111111; --input-bg: #000000; --input-border: #ffffff; --input-border-hover: #00e5ff;
  --active-bg: #00333a; --item-bg: #111111; --item-border: #ffffff; --item-border-hover: #00e5ff;
  --btn-danger-bg: #330000; --btn-danger-border: #ff5a5a; --btn-danger-hover: #520000; --btn-danger-text: #ffb8b8;
  --btn-danger-solid-bg: #330000; --btn-danger-solid-hover: #520000; --btn-danger-solid-border: #ff5a5a;
  --error-text: #ff7777; --error-text-light: #ffb8b8; --success-accent: #70ff9c;
  --btn-radius: 4px; --btn-radius-sm: 4px; --input-radius: 4px; --input-radius-sm: 4px; --panel-radius: 4px;
  --disabled-opacity: 0.65; --active-shadow: 0 0 0 2px #00e5ff inset;
  --shadow-overlay: 0 0 0 2px #ffffff; --shadow-drawer: 4px 0 0 #ffffff;
}

[data-theme="warm-neutral"] {
  color-scheme: light;
  --bg: #f1eee8; --app-bg: #f1eee8; --canvas-bg: #fbf8f2;
  --surface-bg: #f8f4ec; --surface-bg-strong: #eee8de;
  --panel-bg: rgba(252, 248, 240, 0.82); --panel-bg-solid: #fbf7ef;
  --sidebar-bg: linear-gradient(180deg, #f6f1e8 0%, #ebe3d7 100%);
  --toolbar-bg: linear-gradient(180deg, #fbf7ef 0%, #ece4d8 100%);
  --status-bg: rgba(250, 246, 238, 0.94); --status-border: rgba(111, 94, 73, 0.25); --status-separator: rgba(111, 94, 73, 0.24);
  --overlay-bg: rgba(66, 54, 40, 0.34); --overlay-bg-strong: rgba(66, 54, 40, 0.48); --modal-bg: rgba(255, 251, 244, 0.96);
  --checker-bg: repeating-conic-gradient(#ded5c7 0% 25%, #f7f1e7 0% 50%) 0 0 / 12px 12px;
  --checker-bg-small: repeating-conic-gradient(#d6ccbd 0% 25%, #f4ecdf 0% 50%) 0 0 / 8px 8px;
  --checker-a: #d6ccbd; --checker-b: #f4ecdf; --checker-dark-a: #d6ccbd; --checker-dark-b: #f4ecdf;
  --canvas-grid-minor: #ddd3c4; --canvas-grid-major: #b7a995; --canvas-bounds: #7d705f; --canvas-selection: #2f6f8f;
  --canvas-preview-fill: rgba(47, 111, 143, 0.16); --canvas-preview-stroke: #2f6f8f; --canvas-preview-text: #1d1915;
  --panel-border: #b9ab98; --border: var(--panel-border);
  --text: #2f2a24; --text-light: #1d1915; --heading-text: #1f1a15; --muted: #75695a; --text-dim: #8d8171;
  --accent: #2f6f8f; --accent-border: #2f6f8f; --accent-bg: #d8e9ef; --accent-bg-hover: #c4dde7;
  --default-entity: #b54b76; --pick: #9a6a16;
  --control-bg: #eee7db; --input-bg: #fffaf2; --input-border: #b3a592; --input-border-hover: #837260;
  --active-bg: #d8e9ef; --item-bg: #f7f0e5; --item-border: #b8aa97; --item-border-hover: #877663;
  --btn-danger-bg: rgba(165, 55, 42, 0.11); --btn-danger-border: #ad5b51; --btn-danger-hover: rgba(165, 55, 42, 0.20);
  --btn-danger-text: #8d2b22; --btn-danger-solid-bg: #f9e8e4; --btn-danger-solid-hover: #f4d8d2; --btn-danger-solid-border: #b8695f;
  --error-text: #9d2b20; --error-text-light: #b63d31; --success-accent: #3f7d5a;
  --disabled-opacity: 0.52; --active-shadow: 0 0 0 1px rgba(47, 111, 143, 0.35) inset;
  --shadow-overlay: 0 8px 28px rgba(66, 54, 40, 0.22); --shadow-drawer: 4px 0 24px rgba(66, 54, 40, 0.22);
}

[data-theme="e-ink"] {
  color-scheme: light;
  --bg: #f7f7f4; --app-bg: #f7f7f4; --canvas-bg: #fbfbf8;
  --surface-bg: #ffffff; --surface-bg-strong: #f1f1ed;
  --panel-bg: #ffffff; --panel-bg-solid: #ffffff;
  --sidebar-bg: #f3f3ef; --toolbar-bg: #ffffff;
  --status-bg: #ffffff; --status-border: #777777; --status-separator: #9a9a9a;
  --overlay-bg: rgba(0, 0, 0, 0.18); --overlay-bg-strong: rgba(0, 0, 0, 0.28); --modal-bg: #ffffff;
  --checker-bg: repeating-conic-gradient(#d9d9d4 0% 25%, #fbfbf8 0% 50%) 0 0 / 12px 12px;
  --checker-bg-small: repeating-conic-gradient(#d3d3ce 0% 25%, #fbfbf8 0% 50%) 0 0 / 8px 8px;
  --checker-a: #d3d3ce; --checker-b: #fbfbf8; --checker-dark-a: #d3d3ce; --checker-dark-b: #fbfbf8;
  --canvas-grid-minor: #e3e3de; --canvas-grid-major: #a8a8a1; --canvas-bounds: #111111; --canvas-selection: #000000;
  --canvas-preview-fill: rgba(0, 0, 0, 0.08); --canvas-preview-stroke: #000000; --canvas-preview-text: #000000;
  --panel-border: #555555; --border: var(--panel-border);
  --text: #111111; --text-light: #000000; --heading-text: #000000; --muted: #4f4f4a; --text-dim: #6d6d67;
  --accent: #000000; --accent-border: #000000; --accent-bg: #eeeeea; --accent-bg-hover: #e1e1dc;
  --default-entity: #222222; --pick: #000000;
  --control-bg: #ffffff; --input-bg: #ffffff; --input-border: #555555; --input-border-hover: #111111;
  --active-bg: repeating-linear-gradient(135deg, #ffffff 0 5px, #ecece7 5px 10px);
  --item-bg: #ffffff; --item-border: #777777; --item-border-hover: #111111;
  --btn-primary-bg: #ffffff; --btn-primary-border: #111111; --btn-primary-hover: #eeeeea;
  --btn-secondary-bg: #ffffff; --btn-secondary-border: #555555; --btn-secondary-hover: #111111;
  --btn-danger-bg: #ffffff; --btn-danger-border: #111111; --btn-danger-hover: #eeeeea; --btn-danger-text: #000000;
  --btn-danger-solid-bg: #ffffff; --btn-danger-solid-hover: #eeeeea; --btn-danger-solid-border: #111111;
  --error-text: #000000; --error-text-light: #000000; --success-accent: #000000;
  --btn-radius: 4px; --btn-radius-sm: 4px; --input-radius: 4px; --input-radius-sm: 4px; --panel-radius: 4px;
  --disabled-opacity: 0.5; --active-shadow: 0 0 0 2px #000000 inset;
  --shadow-overlay: none; --shadow-drawer: none;
}

[data-theme="e-ink"] .btn-primary {
  font-weight: 700;
  border-width: 2px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

[data-theme="e-ink"] body,
[data-theme="e-ink"] input,
[data-theme="e-ink"] select,
[data-theme="e-ink"] textarea,
[data-theme="e-ink"] button {
  font-weight: 600;
}

[data-theme="e-ink"] .btn-primary,
[data-theme="e-ink"] .btn-secondary,
[data-theme="e-ink"] .btn-danger,
[data-theme="e-ink"] .top-tab,
[data-theme="e-ink"] .tool-btn,
[data-theme="e-ink"] .library-node-btn,
[data-theme="e-ink"] .scene-script-btn,
[data-theme="e-ink"] .asset-tool-btn,
[data-theme="e-ink"] .asset-brush-btn,
[data-theme="e-ink"] .asset-sm-btn,
[data-theme="e-ink"] .sound-sm-btn,
[data-theme="e-ink"] .sound-play-btn,
[data-theme="e-ink"] .sound-segment-btn,
[data-theme="e-ink"] .canvas-tool-btn {
  border-width: 2px;
}

[data-theme="e-ink"] .input:focus,
[data-theme="e-ink"] .select:focus,
[data-theme="e-ink"] .input-sm:focus,
[data-theme="e-ink"] .select-sm:focus,
[data-theme="e-ink"] button:focus-visible {
  outline: 2px solid #000000;
  outline-offset: 2px;
}

[data-theme="e-ink"] .top-tab.active,
[data-theme="e-ink"] .tool-btn.active,
[data-theme="e-ink"] .library-node-btn.active,
[data-theme="e-ink"] .scene-script-btn.active,
[data-theme="e-ink"] .logic-script-item.active,
[data-theme="e-ink"] .scene-item.active,
[data-theme="e-ink"] .entity-item.active,
[data-theme="e-ink"] .logic-var-item button.active,
[data-theme="e-ink"] .data-table-item.active,
[data-theme="e-ink"] .ui-layout-item.active,
[data-theme="e-ink"] .ui-tree-item.active,
[data-theme="e-ink"] .lib-sidebar-item.active,
[data-theme="e-ink"] .asset-frame-thumb.active,
[data-theme="e-ink"] .asset-sprite-item.active,
[data-theme="e-ink"] .asset-tool-btn.active,
[data-theme="e-ink"] .asset-brush-btn.active,
[data-theme="e-ink"] .asset-layer-item.active,
[data-theme="e-ink"] .sound-segment-btn.active,
[data-theme="e-ink"] .sound-item.active,
[data-theme="e-ink"] .canvas-tool-btn.active,
[data-theme="e-ink"] .font-item.active {
  border-color: #000000;
  border-width: 2px;
  background: var(--active-bg);
  color: #000000;
  box-shadow: var(--active-shadow);
  font-weight: 700;
}

[data-theme="e-ink"] .logic-fieldref-row.is-linked {
  border-color: #000000;
  border-width: 2px;
  background: repeating-linear-gradient(90deg, #ffffff 0 6px, #eeeeea 6px 12px);
  box-shadow: none;
}

[data-theme="e-ink"] .asset-palette-swatch.active {
  outline: 2px solid #000000;
  outline-offset: 2px;
  box-shadow: none;
}

[data-theme="e-ink"] .overlay-card,
[data-theme="e-ink"] #library-modal,
[data-theme="e-ink"] #sprite-picker-modal,
[data-theme="e-ink"] .canvas-toolbar {
  box-shadow: none;
  border-width: 2px;
}

[data-theme="e-ink"] #scene-sidebar-toggle,
[data-theme="e-ink"] #logic-sidebar-toggle,
[data-theme="e-ink"] #ui-sidebar-toggle,
[data-theme="e-ink"] #data-sidebar-toggle,
[data-theme="e-ink"] #sound-sidebar-toggle,
[data-theme="e-ink"] #output-sidebar-toggle,
[data-theme="e-ink"] #assets-drawer-toggle,
[data-theme="e-ink"] #fonts-drawer-toggle {
  color: #000000;
  background: #ffffff;
  border-color: #111111;
  border-width: 2px;
  box-shadow: none;
  backdrop-filter: none;
}

[data-theme="e-ink"] #project-title,
[data-theme="e-ink"] a,
[data-theme="e-ink"] .logic-binding-link,
[data-theme="e-ink"] .output-link {
  color: #000000;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-primary,
.btn-secondary,
.btn-danger {
  font: inherit;
  cursor: pointer;
  border-radius: var(--btn-radius);
  padding: 8px 12px;
  color: var(--text);
}

.btn-primary:disabled,
.btn-secondary:disabled,
.btn-danger:disabled {
  opacity: var(--disabled-opacity);
  cursor: not-allowed;
}

.btn-primary {
  border: 1px solid var(--btn-primary-border);
  background: var(--btn-primary-bg);
}
.btn-primary:hover:not(:disabled) {
  background: var(--btn-primary-hover);
}

.btn-secondary {
  border: 1px solid var(--btn-secondary-border);
  background: var(--btn-secondary-bg);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--btn-secondary-hover);
}

.btn-danger {
  border: 1px solid var(--btn-danger-border);
  border-radius: var(--btn-radius-sm);
  background: var(--btn-danger-bg);
  color: var(--btn-danger-text);
}
.btn-danger:hover:not(:disabled) {
  background: var(--btn-danger-hover);
}

.btn-sm {
  padding: 4px 8px;
  font-size: var(--font-size-sm);
  border-radius: var(--btn-radius-sm);
}

.btn-block { width: 100%; }

/* ── Base input & select classes ─────────────────────────── */
.input,
.select {
  font: inherit;
  border: 1px solid var(--input-border);
  border-radius: var(--input-radius);
  padding: 8px;
  background: var(--input-bg);
  color: var(--text);
  width: 100%;
}

.input:focus,
.select:focus {
  border-color: var(--accent-border);
  outline: none;
}

.input-sm,
.select-sm {
  font: inherit;
  font-size: var(--font-size-sm);
  border: 1px solid var(--input-border);
  border-radius: var(--input-radius-sm);
  padding: 4px 6px;
  background: var(--input-bg);
  color: var(--text);
}

.input-sm:focus,
.select-sm:focus {
  border-color: var(--accent-border);
  outline: none;
}

.input-color {
  height: 32px;
  border: 1px solid var(--input-border);
  border-radius: var(--input-radius);
  background: var(--input-bg);
  cursor: pointer;
  padding: 2px;
  width: 100%;
}

* {
  box-sizing: border-box;
}

/* Prevent form elements from exceeding their container width */
input, select, textarea {
  max-width: 100%;
  min-width: 0;
}

[hidden] {
  display: none !important;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--app-bg);
  color: var(--text);
  font-family: Consolas, "Courier New", monospace;
  touch-action: manipulation; /* disable double-tap-to-zoom page-wide (Safari/iPad) */
}

#workspace {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

#project-title {
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--accent);
  margin-right: 2px;
  letter-spacing: 0.05em;
}

.tab-spacer {
  flex: 1;
}

#autosave-status {
  font-size: 0.72rem;
  color: var(--muted);
  min-width: 80px;
  text-align: right;
}

#top-tabs {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 6px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--panel-border);
  background: var(--toolbar-bg);
}

#top-tabs > .btn-secondary {
  font-size: 0.78rem;
}

#theme-select-label {
  color: var(--muted);
  font-size: 0.75rem;
  margin-left: 4px;
}

#theme-select {
  width: auto;
  min-width: 118px;
}

.top-tab {
  font: inherit;
  color: var(--text);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--control-bg);
  padding: 7px 12px;
  cursor: pointer;
}

.top-tab:hover {
  border-color: var(--input-border-hover);
}

.top-tab.active {
  border-color: var(--accent);
  background: var(--active-bg);
  box-shadow: var(--active-shadow);
}

.tab-panel {
  display: none;
  flex: 1;
  min-height: 0;
}

.tab-panel.active {
  display: block;
}

#tab-scene-panel,
#tab-logic-panel,
#tab-ui-panel,
#tab-data-panel,
#tab-sprites-panel,
#tab-sound-panel {
  flex: 1;
}

#app,
#logic-app,
#ui-app,
#data-app,
#assets-app,
#sound-app {
  display: flex;
  width: 100%;
  height: 100%;
  }

#sidebar,
#logic-sidebar,
#ui-sidebar {
  width: 330px;
  min-width: 260px;
  max-width: 400px;
  height: 100%;
  overflow-y: auto;
  border-right: 1px solid var(--panel-border);
  background: var(--sidebar-bg);
  padding: 14px;
  display: grid;
  align-content: start;
  gap: 12px;
}

#app-title {
  margin: 0;
  font-size: 18px;
  color: var(--heading-text);
}

.panel {
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
  background: var(--panel-bg);
  padding: 12px;
}

.panel h2 {
  margin: 0 0 10px;
  font-size: 15px;
}

.panel > :where(.input, .select, textarea) + :where(button, .btn-primary, .btn-secondary, .btn-danger),
.panel > :where(.btn-primary, .btn-secondary, .btn-danger) + :where(.btn-primary, .btn-secondary, .btn-danger),
.panel :where(.input, .select, textarea) + :where(button, .btn-primary, .btn-secondary, .btn-danger) {
  margin-top: 8px;
}

.panel > :where(.btn-block) + :where(.btn-block) {
  margin-top: 8px;
}

#tool-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.tool-btn,
.library-node-btn,
.scene-script-btn {
  width: 100%;
  font: inherit;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 7px 6px;
  background: var(--control-bg);
  color: var(--text);
  cursor: pointer;
}

.tool-btn:hover,
.library-node-btn:hover,
.scene-script-btn:hover {
  border-color: var(--input-border-hover);
}

.tool-btn.active,
.library-node-btn.active,
.scene-script-btn.active {
  border-color: var(--accent);
  box-shadow: var(--active-shadow);
  background: var(--active-bg);
}

#tool-readout {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
}

#logic-library-container {
  display: grid;
  gap: 10px;
}

.library-section {
  display: grid;
  gap: 8px;
}

.library-section-title {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

#entity-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

#logic-script-list,
#scene-list {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.logic-script-item,
.scene-item {
  width: 100%;
  text-align: left;
  font: inherit;
  color: var(--text);
  background: var(--control-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}

.logic-script-item:hover,
.scene-item:hover {
  border-color: var(--input-border-hover);
}

.logic-script-item.active,
.scene-item.active {
  border-color: var(--accent);
  box-shadow: var(--active-shadow);
  background: var(--active-bg);
}

.logic-script-new {
  border-style: dashed;
}

.field-label {
  font-size: 12px;
  color: var(--muted);
}

#entity-form input[type="file"] {
  padding: 6px;
  width: 100%;
  max-width: 100%;
}

#create-entity-btn,
#instance-apply-btn,
#logic-node-apply-btn,
#logic-node-pick-entity-btn,
#logic-var-pick-entity-btn,
#logic-node-variable-pick-entity-btn,
#logic-node-move-apply-btn,
#logic-node-add-input-btn,
#logic-node-add-output-btn {
  margin-top: 4px;
}

#entity-list-empty,
#instance-empty,
#logic-node-empty,
#logic-script-empty,
#logic-script-current-readout,
#scene-list-empty,
#scene-current-readout,
#scene-script-readout,
#entity-script-readout {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
}

#entity-logic-target-readout {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
}

#entity-logic-target-readout.is-linked {
  color: #bde7a3;
}

#entity-list {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.entity-item {
  text-align: left;
  font: inherit;
  color: var(--text);
  background: var(--control-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}

.entity-item:hover {
  border-color: var(--input-border-hover);
}

.entity-item.active {
  border-color: var(--accent);
  box-shadow: var(--active-shadow);
}

#instance-summary,
#logic-node-summary,
#logic-node-entity-readout,
#logic-node-entity-pick-status,
#logic-node-variable-pick-status {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--text-light);
}

#logic-node-entity-pick-status,
#logic-node-variable-pick-status {
  color: var(--pick);
}

#instance-details,
#logic-node-details,
.logic-node-group {
  display: grid;
  gap: 8px;
}

#canvas-wrap,
#logic-canvas-wrap,
#ui-canvas-wrap {
  position: relative;
  flex: 1;
  min-width: 0;
}

#editor-canvas,
#logic-canvas,
#ui-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: default;
  touch-action: none;
}

#status,
#logic-status,
#ui-status {
  position: absolute;
  left: 12px;
  top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--status-bg);
  border: 1px solid var(--status-border);
  font-size: 12px;
  pointer-events: none;
}

#ui-status {
  pointer-events: auto;
}

.ui-status-separator {
  width: 1px;
  height: 16px;
  background: var(--status-separator);
}

.ui-status-spacer {
  flex: 1 1 auto;
}

.ui-viewport-label {
  color: var(--muted);
  white-space: nowrap;
}

#ui-viewport-preset {
  font-size: 11px;
  padding: 2px 4px;
  border-radius: 4px;
}

#ui-viewport-custom input {
  width: 54px;
  font-size: 11px;
  padding: 2px 4px;
  background: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--input-border);
  border-radius: 4px;
  text-align: center;
}

#ui-viewport-custom span {
  color: var(--muted);
  margin: 0 2px;
}

#ui-viewport-readout {
  color: var(--accent);
  white-space: nowrap;
  font-weight: 600;
}

#hint-readout,
#logic-hint-readout,
#ui-hint-readout {
  color: var(--muted);
}

#scene-pick-readout {
  color: var(--pick);
}

@media (max-width: 960px) {
  #sidebar,
  #logic-sidebar,
  #ui-sidebar,
  #data-sidebar,
  #output-sidebar,
  .sound-sidebar {
    width: 260px;
    min-width: 220px;
  }

  #tool-row {
    grid-template-columns: 1fr;
  }

  #status,
  #logic-status {
    max-width: calc(100% - 20px);
  }
}






.scene-script-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

/* UI Defaults panel */
.dim-text {
  color: #6b7a9a;
  font-size: 0.85em;
}

.ui-defaults-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  cursor: pointer;
  font-size: 0.9em;
  color: #c8d6f0;
}

.ui-defaults-row input[type="checkbox"] {
  accent-color: var(--success-accent);
  width: 14px;
  height: 14px;
  cursor: pointer;
}

#entity-script-panel {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.scene-item-new {
  border-style: dashed;
}


.scene-script-btn:disabled {
  opacity: var(--disabled-opacity);
  cursor: not-allowed;
}



#logic-node-link-pick-status {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--pick);
}

.logic-link-column {
  display: grid;
  gap: 6px;
}

.logic-link-title {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.logic-link-list {
  display: grid;
  gap: 6px;
}

.logic-link-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--input-bg);
  padding: 6px 8px;
  min-width: 0;
  overflow: hidden;
}

.logic-link-item button {
  font: inherit;
  color: var(--text);
  border: 1px solid var(--item-border);
  border-radius: 6px;
  background: var(--item-bg);
  padding: 3px 6px;
  cursor: pointer;
}

.logic-link-item button:hover {
  border-color: var(--item-border-hover);
}

.logic-link-empty {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}



#global-script-readout,
#logic-vars-scope-readout,
#logic-var-empty {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
}

#logic-vars-panel {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(152, 162, 184, 0.25);
  display: grid;
  gap: 8px;
}

#logic-vars-title {
  margin: 0;
  font-size: 13px;
  color: var(--text);
}

#logic-var-pick-entity-btn,
#logic-var-save-btn {
  width: 100%;
}

#logic-var-save-btn {
  margin-top: 4px;
  cursor: pointer;
  border: 1px solid var(--accent-border);
  background: var(--accent-bg);
  color: var(--text);
  padding: 8px;
}

#logic-var-save-btn:hover {
  background: var(--accent-bg-hover);
}

#logic-var-list {
  display: grid;
  gap: 6px;
}

.logic-var-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--input-bg);
  padding: 6px 8px;
  min-width: 0;
  overflow: hidden;
}

.logic-var-item button {
  font: inherit;
  color: var(--text);
  border: 1px solid var(--item-border);
  border-radius: 6px;
  background: var(--item-bg);
  padding: 3px 6px;
  cursor: pointer;
}

.logic-var-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.logic-var-actions button {
  white-space: nowrap;
}

.logic-var-item button:hover {
  border-color: var(--item-border-hover);
}

.logic-var-item button.active {
  border-color: var(--accent);
  box-shadow: var(--active-shadow);
  background: var(--active-bg);
}

.logic-global-section-label {
  margin: 10px 0 4px;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

#entity-variable-readout {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
}

#entity-variable-list {
  margin-top: 8px;
  display: grid;
  gap: 6px;
}

.entity-variable-item {
  display: grid;
  gap: 2px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  font-size: 12px;
  color: var(--text-light);
}

.entity-variable-meta {
  color: var(--muted);
  font-size: 11px;
}

#logic-node-fieldref-group button,
#logic-node-variable-pick-entity-btn,
#logic-node-variable-apply-btn {
  width: 100%;
  font: inherit;
  border-radius: 8px;
}

#logic-node-fieldref-group {
  gap: 6px;
}

#logic-node-fieldref-status {
  margin: 0;
  color: var(--pick);
  font-size: 12px;
}

#logic-node-fieldref-status.is-error {
  color: var(--error-text-light);
}

#logic-node-fieldref-list {
  display: grid;
  gap: 6px;
}

.logic-fieldref-row {
  display: grid;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
}

.logic-fieldref-row.is-linked {
  border-color: #6b8fca;
  box-shadow: 0 0 0 1px rgba(107, 143, 202, 0.25) inset;
}

.logic-fieldref-title {
  font-size: 12px;
  color: var(--text-light);
}

.logic-fieldref-source {
  font-size: 11px;
  color: var(--muted);
}

.logic-fieldref-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.logic-fieldref-actions button {
  font: inherit;
  color: var(--text);
  border: 1px solid var(--item-border);
  border-radius: 6px;
  background: var(--item-bg);
  padding: 5px 6px;
  cursor: pointer;
}

.logic-fieldref-actions button:hover {
  border-color: var(--item-border-hover);
}


/* ── Output Tab ─────────────────────────────────────────── */

#output-app {
  display: flex;
  width: 100%;
  height: 100%;
}

#output-sidebar {
  width: 280px;
  min-width: 220px;
  max-width: 360px;
  height: 100%;
  overflow-y: auto;
  border-right: 1px solid var(--panel-border);
  background: var(--sidebar-bg);
  padding: 14px;
  display: grid;
  align-content: start;
  gap: 12px;
}

#output-title {
  margin: 0;
  font-size: 18px;
  color: var(--heading-text);
}

#output-compile-btn,
#output-generate-btn {
  margin-top: 4px;
}

#output-copy-btn,
#output-download-btn,
#output-open-preview-btn,
#output-download-html-btn {
  margin-top: 6px;
}

#output-status,
#output-generate-status {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--muted);
  min-height: 1.4em;
}

#output-status.is-error,
#output-generate-status.is-error {
  color: var(--error-text-light);
}

#output-main {
  flex: 1;
  min-width: 0;
  height: 100%;
  overflow: auto;
  background: var(--canvas-bg);
  padding: 16px;
}

#output-json-pre {
  margin: 0;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
  white-space: pre;
  tab-size: 2;
}

#output-preview-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--canvas-bg);
}


/* ── Data Tab ───────────────────────────────────────────── */

#data-sidebar {
  width: 280px;
  min-width: 220px;
  max-width: 360px;
  height: 100%;
  overflow-y: auto;
  border-right: 1px solid var(--panel-border);
  background: var(--sidebar-bg);
  padding: 14px;
  display: grid;
  align-content: start;
  gap: 12px;
}

#data-title {
  margin: 0;
  font-size: 18px;
  color: var(--heading-text);
}

#data-main {
  flex: 1;
  padding: 16px;
  overflow: auto;
}

.data-table-item {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  border: 1px solid var(--item-border);
  border-radius: 6px;
  background: var(--item-bg);
  color: var(--text);
  padding: 6px 10px;
  cursor: pointer;
  margin-bottom: 4px;
}

.data-table-item.active {
  border-color: var(--accent);
  background: var(--active-bg);
}

.data-table-item:hover {
  border-color: var(--item-border-hover);
}

.data-editor-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 10px;
  align-items: center;
  margin-bottom: 12px;
}

.data-delete-table-btn {
  grid-column: 1 / -1;
  font: inherit;
  border: 1px solid var(--btn-danger-border);
  border-radius: var(--btn-radius-sm);
  background: var(--btn-danger-bg);
  color: var(--btn-danger-text);
  padding: 6px;
  cursor: pointer;
}

.data-delete-table-btn:hover {
  background: var(--btn-danger-hover);
}

.data-kv-entries {
  display: grid;
  gap: 4px;
}

.data-kv-row,
.data-kv-add-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.data-kv-key {
  width: 140px;
}

.data-kv-value {
  flex: 1;
}

.data-kv-remove {
  font: inherit;
  border: 1px solid var(--btn-danger-border);
  border-radius: var(--btn-radius-sm);
  background: transparent;
  color: var(--btn-danger-text);
  padding: 2px 8px;
  cursor: pointer;
  line-height: 1;
}

.data-entries-label {
  margin-top: 4px;
  margin-bottom: 2px;
}

.data-grid-col-list {
  margin-bottom: 6px;
}

.data-grid-col-row,
.data-grid-add-col-row {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 4px;
}

.data-grid-col-name {
  flex: 1;
  min-width: 60px;
}

.data-grid-col-type {
  width: 80px;
}

.data-grid-col-remove {
  font: inherit;
  padding: 2px 8px;
  border: 1px solid var(--input-border);
  border-radius: 6px;
  background: var(--control-bg);
  color: var(--muted);
  cursor: pointer;
}

.data-grid-col-remove:disabled {
  opacity: var(--disabled-opacity);
  cursor: not-allowed;
}

.data-grid-cell-multi {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 3px 4px;
}

.data-grid-cell-entry {
  display: flex;
  align-items: center;
  gap: 4px;
}

.data-grid-cell-label {
  font-size: 10px;
  color: var(--muted);
  min-width: 32px;
  text-align: right;
  flex-shrink: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 60px;
}

.data-grid-table-multi td {
  vertical-align: top;
}

.data-grid-table-multi .data-grid-cell {
  width: 50px;
}

.data-grid-size-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.data-grid-size-input {
  width: 60px;
}

.data-grid-wrap {
  overflow: auto;
  max-height: 480px;
}

.data-grid-table {
  border-collapse: collapse;
}

.data-grid-table th {
  background: var(--control-bg);
  color: var(--muted);
  font-weight: 600;
  padding: 3px 6px;
  border: 1px solid var(--panel-border);
  font-size: 12px;
  text-align: center;
  position: sticky;
}

.data-grid-table th:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
}

.data-grid-table thead th {
  top: 0;
  z-index: 2;
}

.data-grid-table thead th:first-child {
  z-index: 3;
}

.data-grid-table td {
  padding: 0;
  border: 1px solid var(--panel-border);
}

.data-grid-cell {
  width: 60px;
  font: inherit;
  font-size: 12px;
  padding: 3px 4px;
  border: none;
  background: var(--input-bg);
  color: var(--text);
  text-align: center;
}

.data-grid-cell-bool {
  accent-color: var(--success-accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

#data-new-table-btn {
  margin-top: 4px;
}


/* ── UI Editor ──────────────────────────────────────────── */

#ui-title {
  margin: 0;
  font-size: 18px;
  color: var(--heading-text);
}

#ui-layout-save-btn {
  margin-top: 4px;
}

#ui-layout-current-readout,
#ui-layout-list-empty,
#ui-tree-empty {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
}

#ui-layout-list {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.ui-layout-item {
  width: 100%;
  text-align: left;
  font: inherit;
  color: var(--text);
  background: var(--control-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}

.ui-layout-item:hover {
  border-color: var(--input-border-hover);
}

.ui-layout-item.active {
  border-color: var(--accent);
  box-shadow: var(--active-shadow);
  background: var(--active-bg);
}

.ui-layout-new {
  border-style: dashed;
}

#ui-add-component-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.ui-add-component-btn {
  width: 100%;
  font: inherit;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 7px 6px;
  background: var(--control-bg);
  color: var(--text);
  cursor: pointer;
}

.ui-add-component-btn:hover {
  border-color: var(--input-border-hover);
}

#ui-inspector {
  display: grid;
  gap: 8px;
}

#ui-inspector-empty {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

#ui-inspector-summary {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--text-light);
}

#ui-inspector-common {
  display: grid;
  gap: 8px;
}

.ui-inspector-type-section {
  display: grid;
  gap: 8px;
}

.ui-inspector-type-section input[type="file"] {
  width: 100%;
  padding: 6px;
  font: inherit;
  color: var(--text);
}

.ui-inspector-section-title {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--accent);
}

.ui-inspector-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.ui-inspector-field {
  display: grid;
  gap: 4px;
}

#ui-comp-apply-btn,
#ui-comp-delete-btn {
  margin-top: 4px;
}

#ui-component-tree {
  display: grid;
  gap: 2px;
}

.ui-tree-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text);
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  user-select: none;
}

.ui-tree-item:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.ui-tree-item.active {
  background: var(--active-bg);
  color: var(--accent);
}

.ui-tree-item-type {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ui-tree-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#ui-comp-menu-items {
  display: grid;
  gap: 4px;
}

/* ── Sprite Picker Modal ────────────────────────────────── */

#sprite-picker-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

#sprite-picker-overlay[hidden] {
  display: none !important;
}

#sprite-picker-modal {
  background: var(--control-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 20px;
  width: min(560px, 90vw);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#sprite-picker-title {
  margin: 0;
  font-size: 16px;
  color: var(--accent);
}

#sprite-picker-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  overflow-y: auto;
  max-height: 50vh;
  padding: 4px;
}

#sprite-picker-empty {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.sprite-picker-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px;
  border: 2px solid var(--input-border);
  border-radius: 8px;
  background: var(--item-bg);
  cursor: pointer;
  min-width: 72px;
}

.sprite-picker-item:hover {
  border-color: var(--accent);
  background: var(--active-bg);
}

.sprite-picker-item img {
  width: 48px;
  height: 48px;
  image-rendering: pixelated;
  background: var(--checker-bg-small);
}

.sprite-picker-label {
  font-size: 11px;
  color: var(--text);
  text-align: center;
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#sprite-picker-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

#sprite-picker-cancel {
  padding: 6px 16px;
}

/* ── Library browser ─────────────────────────────── */

#library-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: var(--overlay-bg-strong);
  display: flex;
  align-items: center;
  justify-content: center;
}
#library-overlay[hidden] {
  display: none !important;
}

#library-modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 90vw;
  max-width: 1100px;
  height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

#library-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
#library-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

#library-body {
  display: flex;
  flex: 1;
  min-height: 0;
}

#library-sidebar {
  width: 220px;
  min-width: 180px;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 8px 0;
}

#library-sidebar .lib-section-label {
  padding: 6px 12px 2px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
}

.lib-sidebar-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 5px 12px;
  border: none;
  background: none;
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lib-sidebar-item:hover {
  background: var(--bg-hover);
}
.lib-sidebar-item.active {
  background: var(--active-bg);
  color: var(--text-light);
}
.lib-sidebar-item .lib-count {
  float: right;
  opacity: 0.5;
  font-size: 11px;
}

#library-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

#library-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
#library-search {
  flex: 1;
  min-width: 0;
}

#library-grid {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px;
  align-content: start;
}

.lib-asset-card {
  background: var(--bg-input);
  border: 2px solid transparent;
  border-radius: 6px;
  padding: 4px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.1s;
  position: relative;
}
.lib-asset-card:hover {
  border-color: var(--border);
}
.lib-asset-card.selected {
  border-color: var(--accent);
}

/* Preview button — hover icon */
.lib-preview-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: var(--overlay-bg);
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}
.lib-asset-card:hover .lib-preview-btn {
  opacity: 1;
  pointer-events: auto;
}
.lib-preview-btn:hover {
  background: var(--accent);
}
/* Show play btn when audio is playing, even without hover */
.lib-asset-card.audio-playing .lib-audio-btn {
  opacity: 1;
  pointer-events: auto;
  background: var(--accent);
}
/* Always show on touch devices */
@media (hover: none) {
  .lib-preview-btn {
    opacity: 0;
    pointer-events: none;
  }
}
.lib-asset-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  image-rendering: pixelated;
  background: var(--checker-bg);
  border-radius: 4px;
}
.lib-asset-card .lib-asset-name {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#library-status {
  padding: 8px 12px;
  font-size: 11px;
  border-top: 1px solid var(--border);
}

/* Preview lightbox */
#library-preview {
  position: absolute;
  inset: 0;
  z-index: 10;
  background: var(--modal-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
#library-preview[hidden] {
  display: none !important;
}
#library-preview-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  max-width: 90%;
  max-height: 90%;
}
#library-preview-img {
  max-width: 100%;
  max-height: calc(80vh - 80px);
  object-fit: contain;
  image-rendering: pixelated;
  background: var(--checker-bg);
  border-radius: 6px;
  border: 1px solid var(--border);
}
#library-preview-info {
  font-size: 12px;
  color: var(--text-dim);
  text-align: center;
}
#library-preview-close {
  margin-top: 4px;
}

/* Font thumbnail in grid */
.lib-font-sample {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--text);
  opacity: 0.85;
  overflow: hidden;
  line-height: 1;
}

/* Font preview overlay */
#library-font-preview {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-height: calc(80vh - 80px);
  overflow-y: auto;
  color: var(--text);
}
#library-font-preview[hidden] {
  display: none !important;
}
.lib-font-preview-line {
  display: flex;
  align-items: baseline;
  gap: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lib-font-preview-size {
  flex-shrink: 0;
  width: 40px;
  font-size: 11px;
  color: var(--text-dim);
  text-align: right;
  font-family: inherit;
}

/* Entity form additions */
#entity-pick-sprite-btn {
  margin-top: 2px;
}

#entity-sprite-preview-label {
  margin: 0;
  font-size: 11px;
  color: var(--accent);
}

#entity-change-sprite-row {
  margin-top: 6px;
}



/* ── Asset Editor ──────────────────────────────────────────── */

.assets-sub-panel {
  display: flex;
  flex: 1;
  min-height: 0;
}

#assets-sidebar {
  width: 280px;
  min-width: 220px;
  max-width: 360px;
  height: 100%;
  overflow-y: auto;
  border-right: 1px solid var(--panel-border);
  background: var(--sidebar-bg);
  padding: 14px;
  display: grid;
  align-content: start;
  gap: 12px;
}

#assets-title {
  margin: 0;
  font-size: 18px;
  color: var(--heading-text);
}

#assets-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  position: relative;
}

#assets-canvas {
  flex: 1;
  min-height: 0;
  display: block;
  background: var(--canvas-bg);
  cursor: crosshair;
  touch-action: none;
}

/* Frame bar */
#assets-frame-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-top: 1px solid var(--panel-border);
  background: var(--control-bg);
  flex-shrink: 0;
  overflow-x: auto;
}

.asset-frame-strip {
  display: flex;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
}

.asset-frame-controls {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.asset-frame-thumb {
  width: 48px;
  height: 48px;
  border: 2px solid var(--input-border);
  border-radius: 4px;
  cursor: pointer;
  background: var(--canvas-bg);
  image-rendering: pixelated;
  flex-shrink: 0;
}

.asset-frame-thumb.active {
  border-color: var(--accent);
  box-shadow: var(--active-shadow);
}

.asset-frame-thumb:hover {
  border-color: var(--input-border-hover);
}

/* Sprite list items */
.asset-sprite-item {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  border: 1px solid var(--item-border);
  border-radius: 6px;
  background: var(--item-bg);
  color: var(--text);
  padding: 6px 10px;
  cursor: pointer;
  margin-bottom: 4px;
}

.asset-sprite-item.active {
  border-color: var(--accent);
  background: var(--active-bg);
}

.asset-sprite-item:hover {
  border-color: var(--item-border-hover);
}

/* Tool & brush buttons */
.asset-tool-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.asset-tool-btn,
.asset-brush-btn {
  font: inherit;
  font-size: 0.82rem;
  border: 1px solid var(--input-border);
  border-radius: 6px;
  background: var(--control-bg);
  color: var(--text);
  padding: 6px 4px;
  cursor: pointer;
  text-align: center;
}

.asset-tool-btn:hover,
.asset-brush-btn:hover {
  border-color: var(--input-border-hover);
}

.asset-tool-btn.active,
.asset-brush-btn.active {
  border-color: var(--accent);
  background: var(--active-bg);
  box-shadow: var(--active-shadow);
}

.asset-sub-heading {
  margin: 10px 0 4px;
  font-size: 12px;
  color: var(--muted);
}

/* Small action buttons */
.asset-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.asset-sm-btn {
  font: inherit;
  font-size: 0.76rem;
  border: 1px solid var(--input-border);
  border-radius: 5px;
  background: var(--control-bg);
  color: var(--text);
  padding: 3px 8px;
  cursor: pointer;
}

.asset-sm-btn:hover {
  border-color: var(--input-border-hover);
}

.asset-sm-btn:disabled {
  opacity: var(--disabled-opacity);
  cursor: not-allowed;
}

/* Palette */
.asset-color-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.asset-color-row input[type="color"] {
  width: 32px;
  height: 28px;
  border-radius: 4px;
  padding: 0;
}

.asset-palette-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-bottom: 8px;
}

.asset-palette-swatch {
  width: 22px;
  height: 22px;
  border: 2px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  padding: 0;
}

.asset-palette-swatch.active {
  border-color: var(--text-light);
  box-shadow: 0 0 0 1px var(--accent);
}

.asset-palette-swatch:hover {
  border-color: var(--input-border-hover);
}

/* Opacity row */
.asset-opacity-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.asset-opacity-row input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
}

.asset-opacity-row span {
  font-size: 12px;
  color: var(--muted);
  min-width: 40px;
  text-align: right;
}

/* Canvas size row */
.asset-size-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.asset-size-row input[type="number"] {
  width: 56px;
}

/* Layer list */
.asset-layer-list {
  display: grid;
  gap: 2px;
  margin-bottom: 4px;
}

.asset-layer-item {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  border: 1px solid transparent;
  border-radius: 5px;
  cursor: pointer;
  font-size: 13px;
}

.asset-layer-item:hover {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.asset-layer-item.active {
  background: var(--active-bg);
  border-color: var(--accent);
}

.asset-layer-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

.asset-layer-vis,
.asset-layer-lock {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 0 2px;
  line-height: 1;
  color: var(--muted);
}

.asset-layer-vis.on,
.asset-layer-lock.on {
  color: var(--text);
}

/* Sound stub */
.assets-stub-message {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 18px;
}

/* ── Sound Editor ─────────────────────────────────────────── */

#assets-app {
  flex-direction: column;
}

#art-segment-bar {
  display: flex;
  gap: 0;
  align-items: center;
  min-height: 45px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--panel-border);
  background: var(--toolbar-bg);
  flex-shrink: 0;
}

#sound-app {
  flex-direction: column;
}

#sound-segment-bar {
  display: flex;
  gap: 0;
  align-items: center;
  min-height: 45px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--panel-border);
  background: var(--toolbar-bg);
  flex-shrink: 0;
}

.sound-segment-btn {
  font: inherit;
  font-size: 0.82rem;
  color: var(--text);
  border: 1px solid var(--input-border);
  background: var(--control-bg);
  padding: 5px 18px;
  cursor: pointer;
}

.sound-segment-btn:first-child {
  border-radius: 6px 0 0 6px;
}

.sound-segment-btn:last-child {
  border-radius: 0 6px 6px 0;
  border-left: none;
}

.sound-segment-btn:hover:not(.active) {
  border-color: var(--input-border-hover);
}

.sound-segment-btn.active {
  border-color: var(--accent);
  background: var(--active-bg);
}

.sound-section {
  display: flex;
  flex: 1;
  min-height: 0;
}

.sound-sidebar {
  width: 280px;
  min-width: 220px;
  max-width: 360px;
  height: 100%;
  overflow-y: auto;
  border-right: 1px solid var(--panel-border);
  background: var(--sidebar-bg);
  padding: 14px;
  display: grid;
  align-content: start;
  gap: 10px;
}

.sound-heading {
  margin: 0;
  font-size: 16px;
  color: var(--heading-text);
}

.sound-sub-heading {
  margin: 0 0 6px;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sound-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--canvas-bg);
}

/* Item lists (SFX / Tracks / Patterns) */
.sound-item-list {
  display: grid;
  gap: 2px;
  max-height: 180px;
  overflow-y: auto;
  margin-bottom: 4px;
}

.sound-item-list.small {
  max-height: 100px;
}

.sound-item {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  font-size: 0.82rem;
  border: 1px solid var(--item-border);
  border-radius: 5px;
  background: var(--item-bg);
  color: var(--text);
  padding: 5px 8px;
  cursor: pointer;
}

.sound-item.active {
  border-color: var(--accent);
  background: var(--active-bg);
}

.sound-item:hover {
  border-color: var(--item-border-hover);
}

/* Button rows */
.sound-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.sound-sm-btn {
  font: inherit;
  font-size: 0.76rem;
  border: 1px solid var(--input-border);
  border-radius: 5px;
  background: var(--control-bg);
  color: var(--text);
  padding: 3px 8px;
  cursor: pointer;
}

.sound-sm-btn:hover {
  border-color: var(--input-border-hover);
}

/* Selects */
.sound-select {
  font-size: 0.82rem;
  padding: 5px 8px;
  border-radius: 6px;
}

.sound-num-input {
  width: 64px;
}

/* Param rows */
.sound-param-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

/* Sliders */
.sound-slider {
  width: 100%;
  accent-color: var(--accent);
  margin-bottom: 4px;
}

/* Preset grid */
.sound-preset-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.sound-preset-btn {
  font: inherit;
  font-size: 0.72rem;
  border: 1px solid var(--input-border);
  border-radius: 5px;
  background: var(--control-bg);
  color: var(--text);
  padding: 3px 8px;
  cursor: pointer;
}

.sound-preset-btn:hover {
  border-color: var(--input-border-hover);
  background: var(--active-bg);
}

/* Play buttons */
.sound-play-btn {
  font: inherit;
  font-size: 0.82rem;
  border: 1px solid var(--accent-border);
  border-radius: 6px;
  background: var(--accent-bg);
  color: var(--text);
  padding: 6px 14px;
  cursor: pointer;
}

.sound-play-btn:hover {
  background: var(--accent-bg-hover);
}

/* Transport bar */
.sound-transport {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

/* Arrangement list */
.sound-arrangement {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-height: 80px;
  overflow-y: auto;
  margin-bottom: 4px;
}

.sound-arrangement-item {
  font: inherit;
  font-size: 0.72rem;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  background: var(--item-bg);
  color: var(--text);
  padding: 2px 8px;
  cursor: pointer;
}

.sound-arrangement-item:hover {
  border-color: var(--item-border-hover);
}

/* Waveform canvas */
.sound-waveform-canvas {
  flex: 1;
  min-height: 120px;
  display: block;
  cursor: default;
}

/* ── Sample type badge ──────────────────────────────────────── */
.sample-type-badge {
  display: inline-block;
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-left: 4px;
  vertical-align: middle;
}
.sample-type-badge.sfx { background: #3a2e1e; color: #d4a45f; }
.sample-type-badge.music { background: #1e2e3a; color: #5fa4d4; }
.sample-type-badge.imported { background: #2e1e3a; color: #b45fd4; }

.sound-sample-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
  padding: 24px;
}

/* ── Tracker Grid ─────────────────────────────────────────── */

.tracker-grid {
  flex: 1;
  overflow: auto;
  padding: 8px;
}

.tracker-grid table {
  border-collapse: collapse;
  font-size: 11px;
  font-family: Consolas, "Courier New", monospace;
}

.tracker-grid th {
  position: sticky;
  top: 0;
  background: #1a2030;
  color: var(--muted);
  font-weight: normal;
  font-size: 10px;
  padding: 4px 6px;
  border-bottom: 2px solid var(--panel-border);
  text-align: center;
  z-index: 2;
}

.tracker-grid td {
  border: 1px solid #2a3248;
  padding: 2px 4px;
  text-align: center;
  cursor: pointer;
  min-width: 64px;
  color: var(--text-light);
  background: var(--canvas-bg);
}

.tracker-grid td:first-child {
  min-width: 28px;
  color: var(--muted);
  background: #151b28;
  cursor: default;
  font-size: 10px;
}

.tracker-grid td:hover:not(:first-child) {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.tracker-grid td.has-note {
  color: var(--accent);
  background: #13223a;
}

.tracker-grid tr.beat-row td {
  border-top: 1px solid #3a4568;
}

.tracker-grid tr.playing td {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
}

/* Note picker popup */
.tracker-note-picker {
  position: fixed;
  z-index: 100;
  background: #1d2a3f;
  border: 1px solid var(--accent-border);
  border-radius: 6px;
  box-shadow: var(--shadow-overlay);
  padding: 8px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3px;
  max-height: 280px;
  overflow-y: auto;
}

.tracker-note-picker button {
  font: inherit;
  font-size: 0.72rem;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  background: var(--control-bg);
  color: var(--text);
  padding: 3px 6px;
  cursor: pointer;
  white-space: nowrap;
}

.tracker-note-picker button:hover {
  border-color: var(--accent);
  background: var(--active-bg);
}

.tracker-note-picker button.clear-btn {
  grid-column: 1 / -1;
  border-color: var(--btn-danger-solid-border);
  background: var(--btn-danger-solid-bg);
}

.ui-menu-item-row {
  display: flex;
  gap: 4px;
  align-items: center;
}

.ui-menu-item-row input {
  flex: 1;
  border-radius: 6px;
  padding: 6px;
}

.ui-menu-item-remove-btn {
  font: inherit;
  border: 1px solid var(--btn-danger-solid-border);
  border-radius: var(--btn-radius-sm);
  background: var(--btn-danger-solid-bg);
  color: var(--text);
  padding: 4px 8px;
  cursor: pointer;
}

.ui-menu-item-remove-btn:hover {
  background: var(--btn-danger-solid-hover);
}



/* ── Login / Project Manager Overlays ──────────── */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--overlay-bg-strong);
}

.overlay[hidden] {
  display: none !important;
}

.overlay-card {
  background: var(--modal-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 32px;
  width: 360px;
  max-width: 90vw;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.overlay-card h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: var(--accent);
}

.overlay-card label {
  font-size: 0.8rem;
  color: var(--muted);
}

.overlay-card input[type="password"],
.overlay-card input[type="text"] {
  font-size: 0.85rem;
  border-radius: 6px;
  padding: 8px 10px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--muted);
  cursor: pointer;
}

.error-text {
  color: var(--error-text);
  font-size: 0.78rem;
  margin: 0;
}

.overlay-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.overlay-actions button {
  flex: 1;
  font-size: 0.82rem;
}

.overlay-card-wide {
  width: 720px;
  max-width: 95vw;
  max-height: 85vh;
  overflow-y: auto;
}

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

.overlay-header h2 {
  margin: 0;
}

.overlay-header-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.overlay-header-actions button {
  font-size: 0.78rem;
}

.pm-theme-control {
  display: none;
}

/* Project card grid */
.pm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.pm-card {
  background: var(--item-bg);
  border: 1px solid var(--item-border);
  border-radius: 8px;
  padding: 14px;
  cursor: pointer;
  transition: border-color 0.15s;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pm-card:hover {
  border-color: var(--accent-border);
}

.pm-card-name {
  font-weight: bold;
  font-size: 0.85rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pm-card-date {
  font-size: 0.7rem;
  color: var(--muted);
}

.pm-card-actions {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.pm-card-actions button {
  font-size: 0.7rem;
}

#project-name-display {
  font-size: 0.78rem;
  color: var(--muted);
  margin-right: 4px;
}

/* ═══════════════════════════════════════════════════════════════════════
   Canvas Floating Toolbar
   ═══════════════════════════════════════════════════════════════════════ */

.canvas-toolbar {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: none;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  background: rgba(30, 30, 30, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: var(--shadow-overlay);
}

.canvas-tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: none;
  color: var(--text);
  cursor: pointer;
  padding: 0;
  font: inherit;
}
.canvas-tool-btn:hover {
  background: var(--control-bg);
  border-color: var(--input-border);
}
.canvas-tool-btn.active {
  border-color: var(--accent);
  background: var(--active-bg);
  box-shadow: var(--active-shadow);
}
.canvas-tool-btn svg {
  width: 20px;
  height: 20px;
  margin-right: 0;
}

.canvas-toolbar-sep {
  width: 1px;
  height: 24px;
  background: var(--panel-border);
  margin: 0 2px;
}

.canvas-toolbar-color {
  width: 36px;
  height: 36px;
  border: 2px solid var(--input-border);
  border-radius: 8px;
  padding: 0;
  cursor: pointer;
  background: none;
}

/* ═══════════════════════════════════════════════════════════════════════
   Lucide Icons
   ═══════════════════════════════════════════════════════════════════════ */

/* Reserve space for unprocessed <i data-lucide> placeholders */
i[data-lucide] {
  display: inline-block;
  width: 16px;
  height: 16px;
  vertical-align: middle;
}

/* Inline SVG icons created by Lucide */
button svg,
.btn-icon svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Gap between icon and text inside buttons */
button > svg:first-child { margin-right: 4px; }
.asset-sm-btn > svg:first-child { margin-right: 2px; }
.btn-sm > svg:first-child { margin-right: 3px; }

/* Icon-only buttons (no text label) */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--muted);
  padding: 2px;
  cursor: pointer;
  border-radius: var(--btn-radius);
  opacity: 0;
  transition: opacity 0.15s;
}
.btn-icon svg { margin-right: 0; }
.btn-icon:hover { color: var(--btn-danger-bg); }

/* Show icon buttons on parent hover (list items) */
.scene-item:hover .btn-icon,
.entity-item:hover .btn-icon,
.logic-script-item:hover .btn-icon,
.asset-sprite-item:hover .btn-icon,
.ui-layout-item:hover .btn-icon {
  opacity: 1;
}

/* List items: flex layout to accommodate inline delete button */
.scene-item,
.entity-item,
.logic-script-item,
.asset-sprite-item,
.ui-layout-item {
  display: flex;
  align-items: center;
  /* Prevent button's intrinsic min-content from stretching the sidebar grid track */
  min-width: 0;
  overflow: hidden;
}
.scene-item > .item-label,
.entity-item > .item-label,
.logic-script-item > .item-label,
.asset-sprite-item > .item-label,
.ui-layout-item > .item-label {
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════════════════
   Portrait / Tablet Mode
   Activates on portrait orientation up to 1200px wide (tablets, phones).
   ═══════════════════════════════════════════════════════════════════════ */

/* Toggle buttons are hidden on landscape/desktop */
#assets-drawer-toggle,
#scene-sidebar-toggle,
#logic-sidebar-toggle,
#ui-sidebar-toggle,
#data-sidebar-toggle,
#sound-sidebar-toggle,
#output-sidebar-toggle {
  display: none;
}

/* Backdrops are hidden until a drawer opens */
#assets-drawer-backdrop,
#scene-sidebar-backdrop,
#logic-sidebar-backdrop,
#ui-sidebar-backdrop,
#data-sidebar-backdrop,
#sound-sidebar-backdrop,
#output-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 299;
}

@media (orientation: portrait) and (max-width: 1200px) {

  /* ── Touch target enlargement ───────────────────────────────────── */
  #top-tabs > .btn-secondary,
  #theme-select,
  .top-tab {
    min-height: 40px;
    padding: 7px 10px;
    flex: 0 0 auto;
  }

  #top-tabs {
    display: grid;
    grid-template-columns: auto repeat(7, minmax(0, 1fr)) auto auto;
    align-items: center;
    overflow: hidden;
    gap: 6px;
    padding: 8px;
  }

  #project-title,
  #project-name-display,
  #autosave-status,
  #theme-select,
  #theme-select-label {
    display: none;
  }

  .pm-theme-control {
    display: inline-flex;
  }

  .overlay-header-actions {
    flex-wrap: wrap;
  }

  #pm-theme-select-label {
    color: var(--muted);
    font-size: 0.75rem;
  }

  .tab-spacer {
    display: none;
  }

  #project-new-btn,
  #project-save-btn,
  #project-load-btn,
  #project-server-save-btn {
    display: none !important;
  }

  #project-back-btn,
  #library-btn {
    flex: 0 0 auto;
    min-width: 40px;
    width: 40px;
    padding: 7px 9px;
  }

  #project-back-btn {
    grid-column: 1;
    width: auto;
  }

  #library-btn {
    grid-column: 9 / span 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: end;
    overflow: hidden;
    padding: 0;
  }

  #library-btn .btn-label {
    display: none;
  }

  #library-btn svg {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    margin-right: 0 !important;
    color: var(--text);
    stroke: currentColor;
  }

  .top-tab {
    flex: 0 1 auto;
    min-width: 0;
    font-size: 0.74rem;
    padding-inline: 4px;
    text-align: center;
  }

  #tab-scene-btn { grid-column: 2; }
  #tab-logic-btn { grid-column: 3; }
  #tab-ui-btn { grid-column: 4; }
  #tab-data-btn { grid-column: 5; }
  #tab-art-btn { grid-column: 6; }
  #tab-sound-btn { grid-column: 7; }
  #tab-output-btn { grid-column: 8; }

  @media (max-width: 820px) {
    #top-tabs {
      grid-template-columns: repeat(7, minmax(0, 1fr)) 40px;
      grid-template-rows: auto auto;
      row-gap: 6px;
    }

    #project-back-btn {
      grid-column: 1 / span 3;
      grid-row: 1;
      justify-self: start;
      max-width: 100%;
    }

    #library-btn {
      grid-column: 8;
      grid-row: 1;
      justify-self: end;
    }

    #tab-scene-btn,
    #tab-logic-btn,
    #tab-ui-btn,
    #tab-data-btn,
    #tab-art-btn,
    #tab-sound-btn,
    #tab-output-btn {
      grid-row: 2;
      min-height: 36px;
    }

    #tab-scene-btn { grid-column: 1; }
    #tab-logic-btn { grid-column: 2; }
    #tab-ui-btn { grid-column: 3; }
    #tab-data-btn { grid-column: 4; }
    #tab-art-btn { grid-column: 5; }
    #tab-sound-btn { grid-column: 6; }
    #tab-output-btn { grid-column: 7; }

    .top-tab {
      font-size: 0.7rem;
      padding-inline: 2px;
    }
  }

  /* ── Shared drawer toggle button style ──────────────────────────── */
  #assets-drawer-toggle,
  #scene-sidebar-toggle,
  #logic-sidebar-toggle,
  #ui-sidebar-toggle,
  #data-sidebar-toggle,
  #sound-sidebar-toggle,
  #output-sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 10px;
    left: 10px;
    width: 44px;
    height: 44px;
    z-index: 10;
    font: inherit;
    font-size: 1.3rem;
    color: var(--text);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    background: rgba(22, 28, 42, 0.92);
    backdrop-filter: blur(4px);
    touch-action: manipulation;
    cursor: pointer;
    line-height: 1;
  }

  #status,
  #logic-status,
  #ui-status {
    left: 50%;
    top: 10px;
    transform: translateX(-50%);
    max-width: calc(100% - 24px);
    justify-content: center;
  }

  #ui-status {
    width: auto;
  }

  #sound-sidebar-toggle {
    top: 55px;
  }

  #assets-drawer-toggle:hover,
  #scene-sidebar-toggle:hover,
  #logic-sidebar-toggle:hover,
  #ui-sidebar-toggle:hover,
  #data-sidebar-toggle:hover,
  #sound-sidebar-toggle:hover,
  #output-sidebar-toggle:hover {
    border-color: var(--input-border-hover);
    background: rgba(38, 48, 68, 0.95);
  }

  /* ── Assets: sprite editor full-canvas layout ───────────────────── */
  .assets-sub-panel {
    position: relative;
  }

  /* Auto-show canvas floating toolbar in portrait mode */
  #assets-canvas-toolbar {
    display: flex !important;
    position: absolute;
    top: 10px;
    left: 50%;
    right: auto;
    bottom: auto;
    transform: translateX(-50%);
    z-index: 9;
    max-width: min(420px, calc(100% - 72px));
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  @media (max-width: 560px) {
    #assets-canvas-toolbar {
      left: 64px;
      right: 10px;
      transform: none;
      max-width: none;
      justify-content: flex-start;
    }
  }


  #assets-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    z-index: 300;
    width: 290px;
    max-width: 85vw;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: var(--shadow-drawer);
  }

  .drawer-open #assets-sidebar {
    transform: translateX(0);
  }

  .drawer-open #assets-drawer-backdrop {
    display: block;
  }

  #assets-main {
    width: 100%;
  }

  /* ── Scene / Logic: slide-in sidebar ────────────────────────────── */
  #sidebar,
  #logic-sidebar,
  #ui-sidebar,
  #data-sidebar,
  #output-sidebar,
  .sound-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    z-index: 300;
    width: 320px;
    max-width: 85vw;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: var(--shadow-drawer);
  }

  #app.sidebar-open #sidebar,
  #logic-app.sidebar-open #logic-sidebar,
  #ui-app.sidebar-open #ui-sidebar,
  #data-app.sidebar-open #data-sidebar,
  #output-app.sidebar-open #output-sidebar,
  #sound-app.sidebar-open .sound-section:not([hidden]) .sound-sidebar {
    transform: translateX(0);
  }

  #app.sidebar-open #scene-sidebar-backdrop,
  #logic-app.sidebar-open #logic-sidebar-backdrop,
  #ui-app.sidebar-open #ui-sidebar-backdrop,
  #data-app.sidebar-open #data-sidebar-backdrop,
  #output-app.sidebar-open #output-sidebar-backdrop,
  #sound-app.sidebar-open #sound-sidebar-backdrop {
    display: block;
  }

  #canvas-wrap,
  #logic-canvas-wrap,
  #ui-canvas-wrap,
  #data-main,
  #output-main,
  .sound-main {
    width: 100%;
  }

  /* Override the narrow sidebar from the 960px breakpoint */
  #sidebar,
  #logic-sidebar,
  #ui-sidebar,
  #data-sidebar,
  #output-sidebar,
  .sound-sidebar {
    min-width: unset;
  }

  #ui-canvas-wrap,
  #data-main,
  #output-main,
  #sound-app {
    position: relative;
  }

  #data-main,
  #output-main {
    padding-top: 64px;
  }
}


/* ═══════════════════════════════════════════════════════════════════════
   Fonts Editor
   ═══════════════════════════════════════════════════════════════════════ */

#fonts-app {
  display: flex;
  flex: 1;
  min-height: 0;
}

#fonts-sidebar {
  width: 280px;
  min-width: 220px;
  max-width: 360px;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid var(--panel-border);
  background: var(--sidebar-bg);
  padding: 14px;
  display: grid;
  align-content: start;
  gap: 12px;
}

#fonts-title {
  margin: 0;
  font-size: 18px;
  color: var(--heading-text);
}

#fonts-main {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--canvas-bg);
  overflow: hidden;
}

/* Toolbar strip */
.fonts-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--panel-border);
  background: var(--toolbar-bg);
  flex-shrink: 0;
}

/* Char label row */
#fonts-char-label-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 12px 2px;
  flex-shrink: 0;
}

.fonts-char-label {
  font-size: 24px;
  color: var(--accent);
  font-weight: bold;
  min-width: 28px;
}

/* Main glyph edit canvas */
#fonts-glyph-canvas {
  display: block;
  flex: 1;
  width: 100%;
  min-width: 0;
  min-height: 0;
  cursor: crosshair;
  touch-action: none;
  image-rendering: pixelated;
}

#fonts-glyph-canvas[hidden] {
  display: none;
}

/* Preview bar */
#fonts-preview-bar {
  flex-shrink: 0;
  border-top: 1px solid var(--panel-border);
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--control-bg);
}

#fonts-preview-canvas {
  display: block;
  image-rendering: pixelated;
  background: var(--checker-bg-small);
  border-radius: 4px;
  height: 48px;
  width: 100%;
}

/* Glyph map canvas */
#fonts-glyph-strip {
  flex-shrink: 0;
  border-top: 1px solid var(--panel-border);
  padding: 6px 12px;
  background: var(--control-bg);
  overflow-x: auto;
  overflow-y: hidden;
  display: flex;
  align-items: center;
  min-height: 34px;
}

#fonts-glyph-map {
  display: block;
  image-rendering: pixelated;
  cursor: pointer;
}

/* Font list items */
.font-item {
  display: flex;
  align-items: center;
  min-width: 0;
  overflow: hidden;
  width: 100%;
  text-align: left;
  font: inherit;
  color: var(--text);
  background: var(--control-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
}

.font-item:hover {
  border-color: var(--input-border-hover);
}

.font-item.active {
  border-color: var(--accent);
  box-shadow: var(--active-shadow);
  background: var(--active-bg);
}

.font-item > .item-label {
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.font-item:hover .btn-icon {
  opacity: 1;
}

/* Fonts drawer toggle button (hidden on desktop) */
#fonts-drawer-toggle {
  display: none;
}

#fonts-drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 299;
}

/* Portrait / tablet — fonts sidebar becomes a slide-in drawer */
@media (orientation: portrait) and (max-width: 1200px) {
  #fonts-drawer-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 10px;
    left: 10px;
    width: 44px;
    height: 44px;
    z-index: 10;
    font: inherit;
    color: var(--text);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    background: rgba(22, 28, 42, 0.92);
    backdrop-filter: blur(4px);
    touch-action: manipulation;
    cursor: pointer;
  }

  #fonts-drawer-toggle:hover {
    border-color: var(--input-border-hover);
    background: rgba(38, 48, 68, 0.95);
  }

  #fonts-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    z-index: 300;
    width: 290px;
    max-width: 85vw;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: var(--shadow-drawer);
  }

  .fonts-drawer-open #fonts-sidebar {
    transform: translateX(0);
  }

  .fonts-drawer-open #fonts-drawer-backdrop {
    display: block;
  }

  #fonts-main {
    width: 100%;
  }
}