/* Copyright (C) 2023-2026 QuantumNous This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see . For commercial licensing, please contact support@quantumnous.com */ /* * Theme presets — color palettes, border radius, and density scaling. * * Usage: applied via data attributes on : * * * - `data-theme-preset` overrides the color palette defined in ./theme.css and * ships a curated default `--radius` value to match the preset's mood * (e.g. rose-garden uses 1rem, ocean-breeze uses 0.3rem). * - Each preset declares both light and dark color values; dark values use * the `.dark` ancestor selector so they apply when html has the `.dark` class. * - `data-theme-radius` and `data-theme-scale` adjust visual density * independently. The radius block is intentionally placed AFTER the preset * blocks so an explicit user choice overrides the preset's default radius. */ /* ── Underground ──────────────────────────────────────────────────────── */ [data-theme-preset='underground'] { --primary: oklch(0.5315 0.0694 156.19); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.5748 0.0862 336.52); --secondary-foreground: oklch(1 0 0); --ring: oklch(0.5315 0.0694 156.19); --chart-1: oklch(0.5315 0.0694 156.19); --chart-2: oklch(0.5748 0.0862 336.52); --chart-3: oklch(0.8603 0.0731 158.6); --chart-4: oklch(0.8292 0.0422 332); --chart-5: oklch(0.9564 0.0234 159.23); --sidebar-primary: oklch(0.5315 0.0694 156.19); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.9687 0.0051 247.88); --sidebar-accent-foreground: oklch(0.279 0.0299 260.05); --sidebar-ring: oklch(0.5315 0.0694 156.19); --radius: 0.5rem; } .dark [data-theme-preset='underground'] { --primary: oklch(0.6147 0.0867 154.73); --primary-foreground: oklch(0.129 0.0306 264.71); --secondary: oklch(0.6624 0.0855 334.26); --secondary-foreground: oklch(0.129 0.0306 264.71); --ring: oklch(0.6147 0.0867 154.73); --chart-1: oklch(0.6147 0.0867 154.73); --chart-2: oklch(0.6624 0.0855 334.26); --chart-3: oklch(0.7122 0.0991 154.66); --chart-4: oklch(0.7308 0.07 333.6); --chart-5: oklch(0.781 0.0975 156.24); --sidebar-primary: oklch(0.6147 0.0867 154.73); --sidebar-primary-foreground: oklch(0.129 0.0306 264.71); --sidebar-accent: oklch(0.279 0.0299 260.05); --sidebar-accent-foreground: oklch(0.929 0.0095 255.53); --sidebar-ring: oklch(0.6147 0.0867 154.73); } /* ── Rose Garden ──────────────────────────────────────────────────────── */ [data-theme-preset='rose-garden'] { --primary: oklch(0.5827 0.2418 12.23); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.8131 0.1129 5.67); --secondary-foreground: oklch(0.2686 0.0032 34.85); --ring: oklch(0.5827 0.2418 12.23); --chart-1: oklch(0.5827 0.2418 12.23); --chart-2: oklch(0.8938 0.0563 3.77); --chart-3: oklch(0.7135 0.1879 7.69); --chart-4: oklch(0.8131 0.1129 5.67); --chart-5: oklch(0.9429 0.0283 5.52); --sidebar-primary: oklch(0.5827 0.2418 12.23); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.5827 0.2418 12.23); --sidebar-accent-foreground: oklch(1 0 0); --sidebar-ring: oklch(0.5827 0.2418 12.23); --radius: 1rem; } .dark [data-theme-preset='rose-garden'] { --primary: oklch(0.6476 0.2348 10.36); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.8131 0.1129 5.67); --secondary-foreground: oklch(0.9227 0.0029 34.49); --ring: oklch(0.6476 0.2348 10.36); --chart-1: oklch(0.6476 0.2348 10.36); --chart-2: oklch(0.8938 0.0563 3.77); --chart-3: oklch(0.7135 0.1879 7.69); --chart-4: oklch(0.8131 0.1129 5.67); --chart-5: oklch(0.9429 0.0283 5.52); --sidebar-primary: oklch(0.6476 0.2348 10.36); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.6476 0.2348 10.36); --sidebar-accent-foreground: oklch(1 0 0); --sidebar-ring: oklch(0.6476 0.2348 10.36); } /* ── Lake View ────────────────────────────────────────────────────────── */ [data-theme-preset='lake-view'] { --primary: oklch(0.765 0.177 163.22); --primary-foreground: oklch(0 0 0); --secondary: oklch(0.551 0.0899 200.52); --secondary-foreground: oklch(1 0 0); --ring: oklch(0.765 0.177 163.22); --chart-1: oklch(0.765 0.177 163.22); --chart-2: oklch(0.551 0.0899 200.52); --chart-3: oklch(0.845 0.143 164.98); --chart-4: oklch(0.8576 0.1202 192.38); --chart-5: oklch(0.95 0.052 163.05); --sidebar-primary: oklch(0.765 0.177 163.22); --sidebar-primary-foreground: oklch(0 0 0); --sidebar-accent: oklch(0.765 0.177 163.22); --sidebar-accent-foreground: oklch(0.2742 0.0208 165.96); --sidebar-ring: oklch(0.765 0.177 163.22); --radius: 0.75rem; } .dark [data-theme-preset='lake-view'] { --primary: oklch(0.765 0.177 163.22); --primary-foreground: oklch(0 0 0); --secondary: oklch(0.551 0.0899 200.52); --secondary-foreground: oklch(1 0 0); --ring: oklch(0.765 0.177 163.22); --chart-1: oklch(0.765 0.177 163.22); --chart-2: oklch(0.551 0.0899 200.52); --chart-3: oklch(0.845 0.143 164.98); --chart-4: oklch(0.8576 0.1202 192.38); --chart-5: oklch(0.95 0.052 163.05); --sidebar-primary: oklch(0.765 0.177 163.22); --sidebar-primary-foreground: oklch(0 0 0); --sidebar-accent: oklch(0.765 0.177 163.22); --sidebar-accent-foreground: oklch(0 0 0); --sidebar-ring: oklch(0.765 0.177 163.22); } /* ── Sunset Glow ──────────────────────────────────────────────────────── */ [data-theme-preset='sunset-glow'] { --primary: oklch(0.5591 0.1882 25.33); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.7938 0.1248 42.42); --secondary-foreground: oklch(0 0 0); --ring: oklch(0.5591 0.1882 25.33); --chart-1: oklch(0.5591 0.1882 25.33); --chart-2: oklch(0.7938 0.1248 42.42); --chart-3: oklch(0.809 0.0875 17.95); --chart-4: oklch(0.8964 0.0724 43.73); --chart-5: oklch(0.9381 0.0241 16.66); --sidebar-primary: oklch(0.5591 0.1882 25.33); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.5591 0.1882 25.33); --sidebar-accent-foreground: oklch(1 0 0); --sidebar-ring: oklch(0.5591 0.1882 25.33); --radius: 1rem; } .dark [data-theme-preset='sunset-glow'] { --primary: oklch(0.6387 0.1822 23.51); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.7938 0.1248 42.42); --secondary-foreground: oklch(0 0 0); --ring: oklch(0.6387 0.1822 23.51); --chart-1: oklch(0.6387 0.1822 23.51); --chart-2: oklch(0.7938 0.1248 42.42); --chart-3: oklch(0.809 0.0875 17.95); --chart-4: oklch(0.8964 0.0724 43.73); --chart-5: oklch(0.9381 0.0241 16.66); --sidebar-primary: oklch(0.6387 0.1822 23.51); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.6387 0.1822 23.51); --sidebar-accent-foreground: oklch(1 0 0); --sidebar-ring: oklch(0.6387 0.1822 23.51); } /* ── Forest Whisper ───────────────────────────────────────────────────── */ [data-theme-preset='forest-whisper'] { --primary: oklch(0.5276 0.1072 182.22); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.5236 0.0505 250.18); --secondary-foreground: oklch(1 0 0); --ring: oklch(0.5276 0.1072 182.22); --chart-1: oklch(0.5276 0.1072 182.22); --chart-2: oklch(0.5236 0.0505 250.18); --chart-3: oklch(0.7741 0.1676 178.16); --chart-4: oklch(0.7294 0.0416 244.67); --chart-5: oklch(0.9511 0.0547 177.24); --sidebar-primary: oklch(0.5276 0.1072 182.22); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.5276 0.1072 182.22); --sidebar-accent-foreground: oklch(1 0 0); --sidebar-ring: oklch(0.5276 0.1072 182.22); --radius: 0.5rem; } .dark [data-theme-preset='forest-whisper'] { --primary: oklch(0.5991 0.1318 180.39); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.6578 0.0485 247.35); --secondary-foreground: oklch(1 0 0); --ring: oklch(0.5991 0.1318 180.39); --chart-1: oklch(0.5991 0.1318 180.39); --chart-2: oklch(0.6578 0.0485 247.35); --chart-3: oklch(0.7741 0.1676 178.16); --chart-4: oklch(0.7294 0.0416 244.67); --chart-5: oklch(0.9511 0.0547 177.24); --sidebar-primary: oklch(0.5991 0.1318 180.39); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.5991 0.1318 180.39); --sidebar-accent-foreground: oklch(1 0 0); --sidebar-ring: oklch(0.5991 0.1318 180.39); } /* ── Ocean Breeze ─────────────────────────────────────────────────────── */ [data-theme-preset='ocean-breeze'] { --primary: oklch(0.5461 0.2152 262.88); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.5854 0.2041 277.12); --secondary-foreground: oklch(1 0 0); --ring: oklch(0.5461 0.2152 262.88); --chart-1: oklch(0.5461 0.2152 262.88); --chart-2: oklch(0.5854 0.2041 277.12); --chart-3: oklch(0.809 0.0922 251.81); --chart-4: oklch(0.785 0.1007 274.72); --chart-5: oklch(0.932 0.0281 255.58); --sidebar-primary: oklch(0.5461 0.2152 262.88); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.5461 0.2152 262.88); --sidebar-accent-foreground: oklch(1 0 0); --sidebar-ring: oklch(0.5461 0.2152 262.88); --radius: 0.3rem; } .dark [data-theme-preset='ocean-breeze'] { --primary: oklch(0.623 0.188 259.81); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.5854 0.2041 277.12); --secondary-foreground: oklch(0 0 0); --ring: oklch(0.623 0.188 259.81); --chart-1: oklch(0.623 0.188 259.81); --chart-2: oklch(0.5854 0.2041 277.12); --chart-3: oklch(0.809 0.0922 251.81); --chart-4: oklch(0.785 0.1007 274.72); --chart-5: oklch(0.932 0.0281 255.58); --sidebar-primary: oklch(0.623 0.188 259.81); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.623 0.188 259.81); --sidebar-accent-foreground: oklch(1 0 0); --sidebar-ring: oklch(0.623 0.188 259.81); } /* ── Lavender Dream ───────────────────────────────────────────────────── */ [data-theme-preset='lavender-dream'] { --primary: oklch(0.5709 0.1808 306.89); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.811 0.0589 201.14); --secondary-foreground: oklch(0 0 0); --ring: oklch(0.5709 0.1808 306.89); --chart-1: oklch(0.5709 0.1808 306.89); --chart-2: oklch(0.811 0.0589 201.14); --chart-3: oklch(0.8281 0.078 309.73); --chart-4: oklch(0.8611 0.0504 198.03); --chart-5: oklch(0.947 0.0212 309.77); --sidebar-primary: oklch(0.5709 0.1808 306.89); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.5709 0.1808 306.89); --sidebar-accent-foreground: oklch(1 0 0); --sidebar-ring: oklch(0.5709 0.1808 306.89); --radius: 1rem; } .dark [data-theme-preset='lavender-dream'] { --primary: oklch(0.6359 0.1699 307.95); --primary-foreground: oklch(1 0 0); --secondary: oklch(0.811 0.0589 201.14); --secondary-foreground: oklch(0 0 0); --ring: oklch(0.6359 0.1699 307.95); --chart-1: oklch(0.6359 0.1699 307.95); --chart-2: oklch(0.811 0.0589 201.14); --chart-3: oklch(0.8281 0.078 309.73); --chart-4: oklch(0.8611 0.0504 198.03); --chart-5: oklch(0.947 0.0212 309.77); --sidebar-primary: oklch(0.6359 0.1699 307.95); --sidebar-primary-foreground: oklch(1 0 0); --sidebar-accent: oklch(0.6359 0.1699 307.95); --sidebar-accent-foreground: oklch(1 0 0); --sidebar-ring: oklch(0.6359 0.1699 307.95); } /* ── Semantic surface bridge ──────────────────────────────────────────── */ /* Color presets should tint the surfaces most components actually use, not * only primary buttons. These derived tokens keep the app theme-aware without * duplicating per-component dark-mode overrides. * * NOTE: `:not()` contributes its argument's specificity, so this selector * resolves to (0,2,0). Presets that define bespoke surfaces below need to * either match that specificity or opt out here — the latter is cleaner. * * Opt-outs: * - `default`: keeps neutral surfaces from :root. * - `anthropic`: warm cream surfaces are a brand choice, NOT a primary-mix * derivation (the Anthropic system deliberately uses warm neutrals for * cards/borders rather than tinting them with the clay accent). */ [data-theme-preset]:not([data-theme-preset='default']):not( [data-theme-preset='anthropic'] ) { --card: color-mix(in oklch, var(--primary) 3%, var(--background)); --popover: color-mix(in oklch, var(--primary) 5%, var(--background)); --muted: color-mix(in oklch, var(--primary) 7%, var(--background)); --muted-foreground: color-mix( in oklch, var(--foreground) 68%, var(--primary) ); --accent: color-mix(in oklch, var(--primary) 14%, var(--background)); --accent-foreground: var(--foreground); --border: color-mix(in oklch, var(--primary) 20%, var(--background)); --input: color-mix(in oklch, var(--primary) 22%, var(--background)); --sidebar: color-mix(in oklch, var(--primary) 4%, var(--background)); --sidebar-accent: color-mix(in oklch, var(--primary) 14%, var(--background)); --sidebar-accent-foreground: var(--foreground); --sidebar-border: color-mix(in oklch, var(--primary) 18%, var(--background)); --success: var(--chart-2); --warning: var(--chart-4); --info: var(--chart-1); --neutral: var(--muted-foreground); } .dark [data-theme-preset]:not([data-theme-preset='default']):not( [data-theme-preset='anthropic'] ) { --card: color-mix(in oklch, var(--primary) 8%, var(--background)); --popover: color-mix(in oklch, var(--primary) 12%, var(--background)); --muted: color-mix(in oklch, var(--primary) 12%, var(--background)); --muted-foreground: color-mix( in oklch, var(--foreground) 74%, var(--primary) ); --accent: color-mix(in oklch, var(--primary) 18%, var(--background)); --border: color-mix(in oklch, var(--primary) 24%, var(--background)); --input: color-mix(in oklch, var(--primary) 28%, var(--background)); --sidebar: color-mix(in oklch, var(--primary) 5%, var(--background)); --sidebar-accent: color-mix(in oklch, var(--primary) 18%, var(--background)); --sidebar-border: color-mix(in oklch, var(--primary) 22%, var(--background)); } /* ── Anthropic ────────────────────────────────────────────────────────── */ /* * Inspired by Anthropic's official brand language: warm cream canvas * (#faf9f5) on warm slate ink (#141413), with clay/coral (#d97757) as the * single primary accent. The dormant accent palette (olive, sky, fig, * cactus) is wired into chart and semantic tokens. * * Defining counter-positioning: a tinted (non-white) canvas with warm * neutral cards and borders — NOT primary-tinted surfaces. This is the * brand's deliberate counter-positioning against every cool-gray AI tool. * * Anthropic is opted out of the semantic surface bridge above so these * bespoke warm-neutral surface tokens win the cascade. Without the opt-out, * the bridge selector (specificity 0,2,0 because of `:not()`) would override * this block (specificity 0,1,0) and tint every surface with the clay * accent — producing the peach/pink look that doesn't match Anthropic. * * OKLCH hue 95 = warm yellow-cream (matches #faf9f5 family); * OKLCH hue 60 = warm slate (matches #141413 family); * OKLCH hue 38 = clay/coral (matches #d97757). */ [data-theme-preset='anthropic'] { /* Canvas + ink — the defining pair. */ --background: oklch(0.984 0.004 95); /* ≈ #faf9f5 cream */ --foreground: oklch(0.205 0.005 60); /* ≈ #141413 ink */ /* Warm-neutral surfaces (NOT primary-tinted). Stepped opacity matches * the Anthropic surface ladder: canvas → secondary → card → strong. */ --card: oklch(0.945 0.008 92); /* ≈ #efe9de */ --card-foreground: oklch(0.205 0.005 60); --popover: oklch(0.97 0.006 92); /* slight cream lift */ --popover-foreground: oklch(0.205 0.005 60); /* Clay/coral — Anthropic's signature accent, used scarcely on CTAs. */ --primary: oklch(0.685 0.142 38); /* ≈ #d97757 */ --primary-foreground: oklch(0.99 0.005 95); --secondary: oklch(0.925 0.008 92); --secondary-foreground: oklch(0.255 0.005 60); --muted: oklch(0.94 0.007 92); --muted-foreground: oklch(0.51 0.006 75); /* ≈ #5e5d59 warm gray */ --accent: oklch(0.92 0.009 92); --accent-foreground: oklch(0.205 0.005 60); --destructive: oklch(0.55 0.18 27); --destructive-foreground: oklch(0.985 0 0); --success: oklch(0.59 0.082 130); /* olive #788c5d */ --success-foreground: oklch(0.985 0 0); --warning: oklch(0.78 0.13 70); /* kraft amber */ --warning-foreground: oklch(0.205 0.005 60); --info: oklch(0.67 0.075 248); /* sky #6a9bcc */ --info-foreground: oklch(0.985 0 0); --neutral: oklch(0.51 0.006 75); --neutral-foreground: oklch(0.205 0.005 60); /* Hairline borders — warm gray, not coral. */ --border: oklch(0.895 0.008 92); /* ≈ #e8e6dc */ --input: oklch(0.895 0.008 92); --ring: oklch(0.685 0.142 38); /* Chart palette uses Anthropic's dormant accent swatches. */ --chart-1: oklch(0.685 0.142 38); /* clay */ --chart-2: oklch(0.59 0.082 130); /* olive */ --chart-3: oklch(0.67 0.075 248); /* sky */ --chart-4: oklch(0.7 0.115 0); /* fig */ --chart-5: oklch(0.83 0.027 175); /* cactus */ --sidebar: oklch(0.955 0.008 92); --sidebar-foreground: oklch(0.255 0.005 60); --sidebar-primary: oklch(0.685 0.142 38); --sidebar-primary-foreground: oklch(0.99 0.005 95); --sidebar-accent: oklch(0.915 0.009 92); --sidebar-accent-foreground: oklch(0.205 0.005 60); --sidebar-border: oklch(0.895 0.008 92); --sidebar-ring: oklch(0.685 0.142 38); --skeleton-base: oklch(0.93 0.008 92); --skeleton-highlight: oklch(0.96 0.006 92); --radius: 0.625rem; /* Default typography for the Anthropic preset is the editorial serif. * Users can override this with the Font axis (`data-theme-font='sans'`). * The `--font-serif` token itself is declared once in theme.css. */ --font-body: var(--font-serif); } .dark [data-theme-preset='anthropic'] { /* Warm near-black product surfaces, not pure black — keeps the editorial * personality even when inverted. Coral lifts slightly for legibility. */ --background: oklch(0.205 0.004 60); /* ≈ #181715 */ --foreground: oklch(0.965 0.005 92); /* ≈ #faf9f5 */ --card: oklch(0.245 0.004 60); --card-foreground: oklch(0.965 0.005 92); --popover: oklch(0.265 0.004 60); --popover-foreground: oklch(0.965 0.005 92); --primary: oklch(0.72 0.135 40); --primary-foreground: oklch(0.18 0.005 60); --secondary: oklch(0.295 0.004 60); --secondary-foreground: oklch(0.945 0.005 92); --muted: oklch(0.275 0.004 60); --muted-foreground: oklch(0.76 0.006 75); --accent: oklch(0.32 0.006 60); --accent-foreground: oklch(0.985 0.005 92); --destructive: oklch(0.7 0.19 22); --destructive-foreground: oklch(0.985 0 0); --success: oklch(0.7 0.105 135); --success-foreground: oklch(0.18 0.005 60); --warning: oklch(0.78 0.13 70); --warning-foreground: oklch(0.18 0.005 60); --info: oklch(0.72 0.085 248); --info-foreground: oklch(0.18 0.005 60); --neutral: oklch(0.76 0.006 75); --neutral-foreground: oklch(0.18 0.005 60); --border: oklch(1 0 0 / 10%); --input: oklch(1 0 0 / 16%); --ring: oklch(0.72 0.135 40); --chart-1: oklch(0.72 0.135 40); --chart-2: oklch(0.7 0.105 135); --chart-3: oklch(0.72 0.085 248); --chart-4: oklch(0.78 0.13 0); --chart-5: oklch(0.83 0.027 175); --sidebar: oklch(0.175 0.004 60); --sidebar-foreground: oklch(0.95 0.005 92); --sidebar-primary: oklch(0.72 0.135 40); --sidebar-primary-foreground: oklch(0.18 0.005 60); --sidebar-accent: oklch(0.31 0.006 60); --sidebar-accent-foreground: oklch(0.985 0.005 92); --sidebar-border: oklch(1 0 0 / 10%); --sidebar-ring: oklch(0.72 0.135 40); --skeleton-base: oklch(0.295 0.004 60); --skeleton-highlight: oklch(0.4 0.004 60); } /* ── Font axis ──────────────────────────────────────────────────────────── * Mirrors how `data-theme-radius` overrides a preset's default radius: * presets may set `--font-body` (Anthropic → serif), and the user's * explicit Font choice wins because these blocks sit AFTER preset blocks. * * The provider resolves `font: 'default'` → `'sans' | 'serif'` against the * active preset before writing the attribute, so the DOM always carries a * concrete value and CSS only needs the simple `[data-theme-font='serif']` * selector below (no `:not()`, no per-preset branches). */ [data-theme-font='sans'] { --font-body: var(--font-sans); } [data-theme-font='serif'] { --font-body: var(--font-serif); } /* ── Serif typography refinements ──────────────────────────────────────── * When the body runs in serif, three things happen: * 1. Editorial OpenType features (kern/liga + tabular numerals so numeric * columns stay grid-aligned even with proportional serif glyphs). * 2. Every UI surface inherits the editorial voice — buttons, inputs, * tabs, sidebar, table headers, badges, pagination, popovers — all * through Tailwind preflight's `button, input, ... { font: inherit }` * rule plus natural HTML inheritance. We intentionally do NOT carry * a per-slot opt-out list: it adds maintenance cost and only blunts * the Anthropic editorial intent. Monospace contexts are excluded * automatically because: * - ``, ``, `
`, `` are typed monospace by
 *          Tailwind preflight (specificity wins over body inheritance).
 *        - `.font-mono` and `.tabular-nums` utilities declare their own
 *          font-family / font-variant-numeric on the element itself.
 *   3. Headings adopt the Anthropic display setting (medium weight, slight
 *      negative tracking).
 *
 * All keyed off `[data-theme-font='serif']` so they apply to any preset
 * paired with the serif font — not just Anthropic. */
[data-theme-font='serif'] {
  font-feature-settings:
    'kern' 1,
    'liga' 1,
    'calt' 1,
    'tnum' 1;
}

/* Heading tuning — applies to  tags and the shadcn title slots so
 * card/sheet/dialog titles read with the same authoritative voice as
 * page headers. */
[data-theme-font='serif'] :is(h1, h2, h3, h4, h5, h6),
[data-theme-font='serif'] [data-slot='sheet-title'],
[data-theme-font='serif'] [data-slot='dialog-title'],
[data-theme-font='serif'] [data-slot='alert-dialog-title'],
[data-theme-font='serif'] [data-slot='drawer-title'],
[data-theme-font='serif'] [data-slot='card-title'] {
  font-weight: 500;
  letter-spacing: -0.012em;
}

/* Larger displays earn tighter tracking, matching Copernicus/Tiempos
 * editorial display setting (~ -0.02em at 30px+). */
[data-theme-font='serif'] h1,
[data-theme-font='serif'] .text-3xl,
[data-theme-font='serif'] .text-4xl,
[data-theme-font='serif'] .text-5xl {
  letter-spacing: -0.02em;
}

/* ── Border radius ────────────────────────────────────────────────────── */
[data-theme-radius='none'] {
  --radius: 0rem;
}
[data-theme-radius='sm'] {
  --radius: 0.3rem;
}
[data-theme-radius='md'] {
  --radius: 0.5rem;
}
[data-theme-radius='lg'] {
  --radius: 0.75rem;
}
[data-theme-radius='xl'] {
  --radius: 1rem;
}

/* ── Density scale ────────────────────────────────────────────────────── */
/* `sm` = compact UI; `lg` = comfortable. Default (no attribute) keeps Tailwind defaults. */
[data-theme-scale='sm'] {
  --text-xs: 0.7rem;
  --text-sm: 0.78rem;
  --text-base: 0.88rem;
  --text-lg: 1rem;
  --text-xl: 1.13rem;
  --text-2xl: 1.38rem;
  --text-3xl: 1.7rem;
  --spacing: 0.225rem;
}
[data-theme-scale='lg'] {
  --text-xs: 0.84rem;
  --text-sm: 0.95rem;
  --text-base: 1.075rem;
  --text-lg: 1.2rem;
  --text-xl: 1.35rem;
  --text-2xl: 1.65rem;
  --text-3xl: 2rem;
  --spacing: 0.28rem;
}

/* ── Content layout ───────────────────────────────────────────────────── */
/* `centered` clamps inset content to a comfortable reading width on large screens.
 * Targets every direct child of  so router outlet wrappers and
 * page content alike are centered. Only kicks in once the viewport exceeds the
 * clamp value. */
@media (min-width: 1280px) {
  [data-theme-content-layout='centered'] [data-slot='sidebar-inset'] > * {
    max-width: var(--max-content-width, 1280px);
    margin-inline: auto;
    width: 100%;
  }
}