/* dekx — design-system tokens and component classes. Paper & ink: a warm cream ground, soft ink-blue accent, Lora headlines over Source Sans 3, line-drawn illustrations. Source of truth for the look; see readme.md. */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Source+Sans+3:ital,wght@0,400;0,500;0,600;1,400&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --color-bg: #f6f1e7;
  --color-surface: #efe8da;
  --color-paper: #fbf8f1;
  --color-text: #23262c;
  --color-ink-soft: #4b4f58;
  --color-accent: #3d6a9e;
  --color-accent-2: #8f6240;
  --color-divider: color-mix(in srgb, #23262c 14%, transparent);
  --color-line: color-mix(in srgb, #23262c 55%, transparent); /* illustration stroke */
  --color-logo: #1a73e8; /* the logo's own blue — the mark and wordmark only */

  /* Tonal ramps — OKLCH on one shared lightness scale. */
  --color-neutral-100: #faf7f1;
  --color-neutral-200: #f0ebe1;
  --color-neutral-300: #e2dcd0;
  --color-neutral-400: #c7c0b3;
  --color-neutral-500: #a39c90;
  --color-neutral-600: #817a6f;
  --color-neutral-700: #615b52;
  --color-neutral-800: #433f39;
  --color-neutral-900: #2a2723;

  --color-accent-100: #eef3f9;
  --color-accent-200: #dbe5f0;
  --color-accent-300: #bfcfe3;
  --color-accent-400: #98b1cf;
  --color-accent-500: #6b8fbb;
  --color-accent-600: #3d6a9e;
  --color-accent-700: #30547f;
  --color-accent-800: #243f60;
  --color-accent-900: #182a41;

  --color-accent-2-100: #f8f1ea;
  --color-accent-2-200: #eddfd1;
  --color-accent-2-300: #ddc6b0;
  --color-accent-2-400: #c6a386;
  --color-accent-2-500: #ab8260;
  --color-accent-2-600: #8f6240;
  --color-accent-2-700: #714d32;
  --color-accent-2-800: #533925;
  --color-accent-2-900: #372619;

  --font-heading: "Lora", Georgia, serif;
  --font-heading-weight: 500;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2a2723 10%, transparent);
  --shadow-md: 0 4px 14px color-mix(in srgb, #2a2723 12%, transparent);
  --shadow-lg: 0 16px 40px color-mix(in srgb, #2a2723 18%, transparent);
}

/* Dark theme ("Dracula") — ink-blue night ground; ramps reverse so 100 stays the quiet tint and 900 the strongest ink. */
html[data-theme="dark"] {
  color-scheme: dark;
  --color-bg: #191d26;
  --color-surface: #252a36;
  --color-paper: #1f2430;
  --color-text: #ece6da;
  --color-ink-soft: #b7b0a2;
  --color-accent: #8fb0d6;
  --color-accent-2: #c9a27f;
  --color-divider: color-mix(in srgb, #ece6da 14%, transparent);
  --color-line: color-mix(in srgb, #ece6da 55%, transparent);
  --color-logo: #6ea4ee;
  --color-neutral-100: #1d212b; --color-neutral-200: #262b36; --color-neutral-300: #333946; --color-neutral-400: #4a505d; --color-neutral-500: #6a6f7a; --color-neutral-600: #8d9099; --color-neutral-700: #aeb0b6; --color-neutral-800: #d2d2d4; --color-neutral-900: #ecebe8;
  --color-accent-100: #1c2838; --color-accent-200: #22324a; --color-accent-300: #2f4566; --color-accent-400: #456285; --color-accent-500: #6b8fbb; --color-accent-600: #8fb0d6; --color-accent-700: #b3cbe6; --color-accent-800: #d3e1f1; --color-accent-900: #eaf1f9;
  --color-accent-2-100: #2a221b; --color-accent-2-200: #3a2e23; --color-accent-2-300: #54412f; --color-accent-2-400: #765a40; --color-accent-2-500: #a07c5b; --color-accent-2-600: #c9a27f; --color-accent-2-700: #dcc0a5; --color-accent-2-800: #ecdac8; --color-accent-2-900: #f6eee5;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.35);
  --shadow-md: 0 4px 14px rgba(0,0,0,.4);
  --shadow-lg: 0 16px 40px rgba(0,0,0,.5);
}
html[data-theme="dark"] .btn-primary:hover { background: var(--color-accent-700); border-color: var(--color-accent-700); }


*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); font-size: 17px; line-height: 1.6; font-weight: 400; text-wrap: pretty; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 var(--space-3); text-wrap: balance; }
h1 { font-size: 44px; }
h2 { font-size: 34px; }
h3 { font-size: 26px; }
h4 { font-size: 21px; }
h5 { font-size: 18px; }
h6 { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; font-family: var(--font-mono); font-weight: 500; }
h1 em, h2 em, h3 em { font-style: italic; color: var(--color-accent); font-weight: 500; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent-700); text-decoration-color: color-mix(in srgb, var(--color-accent) 45%, transparent); text-underline-offset: 3px; }
a:hover { color: var(--color-accent); text-decoration-color: var(--color-accent); }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption, .text-muted { color: var(--color-ink-soft); }
figcaption { font-size: 13px; margin-top: var(--space-2); font-style: italic; font-family: var(--font-heading); }
code, pre, .mono { font-family: var(--font-mono); font-size: 0.9em; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 25%, transparent); }

/* — paper grain: a fixed, faint noise sheet over the whole page — */
.grain { position: relative; }
.grain::before { content: ""; position: fixed; inset: 0; z-index: 1000; pointer-events: none; opacity: 0.08; mix-blend-mode: multiply; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.2 0 0 0 0 0.18 0 0 0 0 0.14 0 0 0 0.9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* — labels — */
.eyebrow { display: inline-block; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-accent-700); margin-bottom: var(--space-3); }
.lede { font-family: var(--font-heading); font-size: 21px; line-height: 1.5; color: var(--color-ink-soft); }

/* — rules — */
.hr { height: 1px; border: 0; margin: var(--space-6) 0; background: var(--color-divider); }
.hr-dashed { height: 0; border: 0; border-top: 1px dashed color-mix(in srgb, var(--color-text) 28%, transparent); margin: var(--space-6) 0; }

/* — buttons — */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; text-decoration: none; font-family: var(--font-body); font-weight: 600; font-size: 16px; line-height: 1.2; color: var(--color-text); background: transparent; border: 1px solid var(--color-divider); padding: 11px 20px; border-radius: 999px; transition: background .18s, color .18s, border-color .18s, transform .18s; }
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-paper); border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-700); border-color: var(--color-accent-700); color: var(--color-paper); }
.btn-primary:active { background: var(--color-accent-800); }
.btn-secondary { border-color: color-mix(in srgb, var(--color-text) 35%, transparent); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 6%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 12%, transparent); }
.btn-ghost { color: var(--color-accent-700); border-color: transparent; padding-inline: var(--space-2); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-icon { width: 40px; height: 40px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); }

/* — forms — */
.field > label { display: block; font-size: 14px; margin-bottom: 6px; color: var(--color-ink-soft); }
.input { width: 100%; min-height: 44px; padding: 10px 14px; font: inherit; font-size: 16px; color: var(--color-text); caret-color: var(--color-accent); background: var(--color-paper); border: 1px solid color-mix(in srgb, var(--color-text) 22%, transparent); border-radius: var(--radius-md); }
.input::placeholder { color: var(--color-neutral-500); }
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 110px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: 16px; }
.radio input, .seg-opt input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.radio .dot { width: 18px; height: 18px; flex: none; border-radius: 50%; border: 1.5px solid color-mix(in srgb, var(--color-text) 35%, transparent); background: var(--color-paper); }
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot { border-color: var(--color-accent); background: var(--color-accent); box-shadow: inset 0 0 0 4px var(--color-paper); }
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.seg { display: inline-flex; overflow: hidden; border: 1px solid color-mix(in srgb, var(--color-text) 22%, transparent); border-radius: 999px; background: var(--color-paper); }
.seg-opt { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; font-size: 15px; cursor: pointer; }
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { background: var(--color-accent); color: var(--color-paper); }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 6%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }

/* — cards: sheets of paper laid on the ground — */
.card { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-6); border-radius: var(--radius-lg); background: var(--color-paper); border: 1px solid var(--color-divider); }
.card-kicker { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent-700); }
.card-title { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 21px; line-height: 1.25; }
.card-body { margin: 0; font-size: 16px; color: var(--color-ink-soft); flex: 1; }
.card-meta { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-neutral-600); }
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }
/* legacy wireframe wrapper from the previous theme — now a plain sheet; the corner marks are gone */
.blueprint { position: relative; }
.blueprint > .corner { display: none; }

/* — tags — */
.tag { display: inline-flex; align-items: center; white-space: nowrap; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.02em; padding: 4px 11px; border-radius: 999px; }
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-accent-2 { background: var(--color-accent-2-100); color: var(--color-accent-2-800); }
.tag-neutral { background: var(--color-neutral-200); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent-400); color: var(--color-accent-700); }

/* — navigation — */
.nav { display: flex; align-items: center; gap: var(--space-6); padding: var(--space-4) var(--space-6); }
.nav-brand { margin-right: auto; display: inline-flex; align-items: center; }
.nav-brand img { height: 28px; width: auto; mix-blend-mode: multiply; }
.nav a { color: inherit; text-decoration: none; font-size: 16px; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent); }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 16px; }
.table th { text-align: left; font-family: var(--font-mono); font-weight: 500; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-ink-soft); padding: var(--space-3) var(--space-2); border-bottom: 1px solid color-mix(in srgb, var(--color-text) 30%, transparent); }
.table td { padding: var(--space-3) var(--space-2); border-bottom: 1px dashed color-mix(in srgb, var(--color-text) 20%, transparent); vertical-align: top; }
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 3%, transparent); }

/* — dialog — */
.dialog-backdrop { position: fixed; inset: 0; display: grid; place-items: center; padding: var(--space-4); background: color-mix(in srgb, var(--color-neutral-900) 45%, transparent); }
.dialog { width: min(460px, 100%); display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-8); border-radius: var(--radius-lg); background: var(--color-paper); box-shadow: var(--shadow-lg); }
.dialog-title { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 24px; }
.dialog-body { font-size: 16px; color: var(--color-ink-soft); }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

/* — imagery: photographs are washed in the ink-blue, like a print on paper — */
.duotone { position: relative; overflow: hidden; border-radius: var(--radius-lg); }
.duotone img { filter: grayscale(1) contrast(1.05); }
.duotone::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: var(--color-accent); mix-blend-mode: color; }

/* — line illustrations: stroke-only SVG on currentColor — */
.sketch { color: var(--color-line); }
.sketch svg { display: block; width: 100%; height: auto; overflow: visible; }
.sketch .accent { color: var(--color-accent); }
.sketch .warm { color: var(--color-accent-2); }
@media (prefers-reduced-motion: reduce) { .sketch * { animation: none !important; } }