/* Theme tokens (Section 11.2). Components use only these variables. */
[data-theme="index"]{--bg:#D9E0E8;--surface:#FFFFFF;--text:#1C2B4A;--muted:#4A5670;--divider:1px solid #D7E3F5;--line:#C9D0DB;--card-border:1px solid transparent;--card-shadow:0 1px 0 #B4BECC,0 10px 24px rgba(28,43,74,.10);--r:6px;--r-btn:4px;--primary:#1F3A93;--on-primary:#FFFFFF;--btn-border:1.5px solid #1F3A93;--btn-shadow:none;--b2w:1.5px;--hero-bg:#FFFFFF;--on-hero:#1C2B4A;--good-bg:#CFE6D6;--on-good:#123B25;--warn-bg:#F1E2AE;--on-warn:#4A3500;--info-bg:#D3DDF0;--on-info:#1C2B4A;--bad-bg:#F2D4D1;--on-bad:#7A1A14;--bad:#B3261E;--input-border:1.5px solid #9AA6BC;--font:'Instrument Sans',system-ui,sans-serif;--font-display:'Courier Prime',ui-monospace,monospace;--font-num:'Courier Prime',ui-monospace,monospace;--dw:700;--track:0em;--focus:#B3261E;--nav-bg:#C3CCD8;--side-bg:#C3CCD8;--side-fg:#1C2B4A;--seat-mine:#1F3A93;--seat-mine-fg:#FFFFFF;--seat-pick:#B3261E;--seat-pick-fg:#FFFFFF;--seat-taken:#C9D0DB;--seat-taken-fg:#4A5670;--seat-free-bd:#1C2B4A}
[data-theme="bento"]{--bg:#FFFFFF;--surface:#F4F3F0;--text:#1A1A1A;--muted:#5E5E5E;--divider:1px solid #E6E5E0;--line:#E2E1DC;--card-border:1px solid transparent;--card-shadow:none;--r:24px;--r-btn:16px;--primary:#4B32C9;--on-primary:#FFFFFF;--btn-border:1.5px solid #4B32C9;--btn-shadow:none;--b2w:1.5px;--hero-bg:#ECE9FF;--on-hero:#1C1640;--good-bg:#DCF3E6;--on-good:#0F3D27;--warn-bg:#FFE7D6;--on-warn:#4A2108;--info-bg:#E4ECFF;--on-info:#1B2A55;--bad-bg:#FDE2E0;--on-bad:#7A1A14;--bad:#B42318;--input-border:1.5px solid #D9D8D3;--font:'DM Sans',system-ui,sans-serif;--font-display:'DM Sans',system-ui,sans-serif;--font-num:'DM Sans',system-ui,sans-serif;--dw:800;--track:-0.03em;--focus:#4B32C9;--nav-bg:#FFFFFF;--side-bg:#F4F3F0;--side-fg:#1A1A1A;--seat-mine:#4B32C9;--seat-mine-fg:#FFFFFF;--seat-pick:#0F3D27;--seat-pick-fg:#FFFFFF;--seat-taken:#DEDDD7;--seat-taken-fg:#5E5E5A;--seat-free-bd:#BDBCB6}
[data-theme="brutal"]{--bg:#EDEDE6;--surface:#FFFFFF;--text:#111111;--muted:#4A4A45;--divider:2px dashed #111111;--line:#111111;--card-border:2px solid #111111;--card-shadow:4px 4px 0 #111111;--r:14px;--r-btn:12px;--primary:#FFD43B;--on-primary:#111111;--btn-border:2px solid #111111;--btn-shadow:4px 4px 0 #111111;--b2w:2px;--hero-bg:#FFFFFF;--on-hero:#111111;--good-bg:#C9F2D4;--on-good:#111111;--warn-bg:#FF9EBB;--on-warn:#111111;--info-bg:#B8E3FF;--on-info:#111111;--bad-bg:#FFB4A8;--on-bad:#111111;--bad:#A3160B;--input-border:2px solid #111111;--font:'Space Grotesk',system-ui,sans-serif;--font-display:'Space Grotesk',system-ui,sans-serif;--font-num:'Space Grotesk',system-ui,sans-serif;--dw:700;--track:-0.03em;--focus:#111111;--nav-bg:#FFFFFF;--side-bg:#FFFFFF;--side-fg:#111111;--seat-mine:#FFD43B;--seat-mine-fg:#111111;--seat-pick:#FF9EBB;--seat-pick-fg:#111111;--seat-taken:#D2D2CA;--seat-taken-fg:#4A4A45;--seat-free-bd:#111111}
[data-theme="shelf"]{--bg:#F3F2EE;--surface:#FFFFFF;--text:#1E1E1C;--muted:#5C5A53;--divider:1px solid #ECEAE3;--line:#E3E1D9;--card-border:1px solid #E3E1D9;--card-shadow:none;--r:14px;--r-btn:14px;--primary:#1E1E1C;--on-primary:#FFFFFF;--btn-border:1.5px solid #1E1E1C;--btn-shadow:none;--b2w:1.5px;--hero-bg:#B5452F;--on-hero:#FFFFFF;--good-bg:#2F5D46;--on-good:#FFFFFF;--warn-bg:#E0A526;--on-warn:#1E1E1C;--info-bg:#233A73;--on-info:#FFFFFF;--bad-bg:#8F2F1F;--on-bad:#FFFFFF;--bad:#A23B27;--input-border:1.5px solid #CFCCC2;--font:'Bricolage Grotesque',system-ui,sans-serif;--font-display:'Bricolage Grotesque',system-ui,sans-serif;--font-num:'Bricolage Grotesque',system-ui,sans-serif;--dw:800;--track:-0.03em;--focus:#233A73;--nav-bg:#F3F2EE;--side-bg:#1E1E1C;--side-fg:#E6E4DC;--seat-mine:#2F5D46;--seat-mine-fg:#FFFFFF;--seat-pick:#E0A526;--seat-pick-fg:#1E1E1C;--seat-taken:#DEDCD3;--seat-taken-fg:#5C5A53;--seat-free-bd:#1E1E1C}

/* Navigation item colours used by the Index card and Bookshelf themes (assign k1 to k6 in nav order) */
.k1{--tab-c:#F2D4D1;--tab-s:#B5452F;--tab-s-fg:#FFFFFF}
.k2{--tab-c:#CFE6D6;--tab-s:#2F5D46;--tab-s-fg:#FFFFFF}
.k3{--tab-c:#F1E2AE;--tab-s:#E0A526;--tab-s-fg:#1E1E1C}
.k4{--tab-c:#D3DDF0;--tab-s:#233A73;--tab-s-fg:#FFFFFF}
.k5{--tab-c:#E6D9F2;--tab-s:#6B4A8E;--tab-s-fg:#FFFFFF}
.k6{--tab-c:#E3E1D9;--tab-s:#7A5A40;--tab-s-fg:#FFFFFF}