/* Modernist — design-system tokens and component classes. This file is the source of truth for the system's look; retune it here and see readme.md. */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;600;800&family=Fraunces:opsz,wght@9..144,500;9..144,600&display=swap');

:root {
  /* Warm ivory ground, soft glass surface, deep green-black ink. */
  --color-bg: #f8f3e8;
  --color-surface: color-mix(in srgb, #ffffff 78%, transparent);
  --color-surface-solid: #fffdf8;
  --color-text: #16241d;
  --color-accent: #128058;
  --color-accent-2: #b8862f;
  --color-divider: color-mix(in srgb, #16241d 12%, transparent);
  --glass-blur: blur(20px) saturate(1.4);
  --glass-border: 1px solid color-mix(in srgb, #ffffff 55%, transparent);

  /* Silver-tinted neutral ramp — cool grey with the faintest green undertone. */
  --color-neutral-100: #f7f8f6;
  --color-neutral-200: #eaebe7;
  --color-neutral-300: #d6d8d2;
  --color-neutral-400: #b9bcb3;
  --color-neutral-500: #9a9d93;
  --color-neutral-600: #7c7f74;
  --color-neutral-700: #5f625a;
  --color-neutral-800: #434640;
  --color-neutral-900: #2b2d29;

  /* Accent — emerald. */
  --color-accent-100: #e4f5ec;
  --color-accent-200: #c7ebda;
  --color-accent-300: #9adcc0;
  --color-accent-400: #5cc495;
  --color-accent-500: #22a873;
  --color-accent-600: #128058;
  --color-accent-700: #0c6344;
  --color-accent-800: #0a4a34;
  --color-accent-900: #082f22;

  /* Accent 2 — gold. */
  --color-accent-2-100: #fbf4dc;
  --color-accent-2-200: #f3e4ae;
  --color-accent-2-300: #e6cb75;
  --color-accent-2-400: #d6b247;
  --color-accent-2-500: #c9a227;
  --color-accent-2-600: #b8862f;
  --color-accent-2-700: #7e5d14;
  --color-accent-2-800: #5b420d;
  --color-accent-2-900: #3b2a08;

  --font-heading: "Archivo", system-ui, sans-serif;
  --font-heading-weight: 800;
  --font-body: "Archivo", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, serif;

  --space-1: 4.0px;
  --space-2: 8.0px;
  --space-3: 12.0px;
  --space-4: 16.0px;
  --space-6: 24.0px;
  --space-8: 32.0px;

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 22px;

  /* Elevation — derived from the ground: soft ink-tinted shadows on a
     light theme, a hairline edge + ambient darkness on a dark one. */
  --shadow-sm: 0 1px 2px color-mix(in srgb, #16241d 8%, transparent);
  --shadow-md: 0 8px 24px color-mix(in srgb, #16241d 8%, transparent);
  --shadow-lg: 0 20px 48px color-mix(in srgb, #16241d 12%, transparent);
}

/* ── Dark band ────────────────────────────────────────────────────────────
   Shared by every page (student app + admin) so a theme toggle anywhere
   works the same way. Ramp steps are mirrored (100↔900, 200↔800, …) rather
   than re-picked, so "600 is the hover step" stays true in both bands. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #14120f;
    --color-surface: #1e1b16;
    --color-text: #f4f1e6;
    --color-accent: #2ecc91;
    --color-accent-2: #e3c15e;
    --color-divider: color-mix(in srgb, #f4f1e6 16%, transparent);

    --color-neutral-100: #16241d;
    --color-neutral-200: #1e3128;
    --color-neutral-300: #2c453a;
    --color-neutral-400: #43604f;
    --color-neutral-500: #5f7c6a;
    --color-neutral-600: #83a190;
    --color-neutral-700: #a9c2b3;
    --color-neutral-800: #cfdfd5;
    --color-neutral-900: #ecf3ee;

    --color-accent-100: #0a2f21;
    --color-accent-200: #0c4530;
    --color-accent-300: #0f5f41;
    --color-accent-400: #148055;
    --color-accent-500: #2ecc91;
    --color-accent-600: #5adba9;
    --color-accent-700: #8ee6c3;
    --color-accent-800: #bff0da;
    --color-accent-900: #e4f9ee;

    --color-accent-2-100: #382b0d;
    --color-accent-2-200: #513e11;
    --color-accent-2-300: #7a5c17;
    --color-accent-2-400: #a67d20;
    --color-accent-2-500: #e3c15e;
    --color-accent-2-600: #ebd085;
    --color-accent-2-700: #f2ddab;
    --color-accent-2-800: #f8ecd1;
    --color-accent-2-900: #fcf6ea;

    --shadow-sm: 0 0 0 1px color-mix(in srgb, #f4f1e6 8%, transparent);
    --shadow-md: 0 0 0 1px color-mix(in srgb, #f4f1e6 10%, transparent), 0 4px 14px rgba(0,0,0,.55);
    --shadow-lg: 0 0 0 1px color-mix(in srgb, #f4f1e6 12%, transparent), 0 20px 48px rgba(0,0,0,.75);
    --color-surface-solid: #1e1b16;
    --glass-border: 1px solid color-mix(in srgb, #f4f1e6 10%, transparent);
  }
}
:root[data-theme="dark"] {
  --color-bg: #14120f;
  --color-surface: #1e1b16;
  --color-surface-solid: #1e1b16;
  --glass-border: 1px solid color-mix(in srgb, #f4f1e6 10%, transparent);
  --color-text: #f4f1e6;
  --color-accent: #2ecc91;
  --color-accent-2: #e3c15e;
  --color-divider: color-mix(in srgb, #f4f1e6 16%, transparent);

  --color-neutral-100: #16241d;
  --color-neutral-200: #1e3128;
  --color-neutral-300: #2c453a;
  --color-neutral-400: #43604f;
  --color-neutral-500: #5f7c6a;
  --color-neutral-600: #83a190;
  --color-neutral-700: #a9c2b3;
  --color-neutral-800: #cfdfd5;
  --color-neutral-900: #ecf3ee;

  --color-accent-100: #0a2f21;
  --color-accent-200: #0c4530;
  --color-accent-300: #0f5f41;
  --color-accent-400: #148055;
  --color-accent-500: #2ecc91;
  --color-accent-600: #5adba9;
  --color-accent-700: #8ee6c3;
  --color-accent-800: #bff0da;
  --color-accent-900: #e4f9ee;

  --color-accent-2-100: #382b0d;
  --color-accent-2-200: #513e11;
  --color-accent-2-300: #7a5c17;
  --color-accent-2-400: #a67d20;
  --color-accent-2-500: #e3c15e;
  --color-accent-2-600: #ebd085;
  --color-accent-2-700: #f2ddab;
  --color-accent-2-800: #f8ecd1;
  --color-accent-2-900: #fcf6ea;

  --shadow-sm: 0 0 0 1px color-mix(in srgb, #f4f1e6 8%, transparent);
  --shadow-md: 0 0 0 1px color-mix(in srgb, #f4f1e6 10%, transparent), 0 4px 14px rgba(0,0,0,.55);
  --shadow-lg: 0 0 0 1px color-mix(in srgb, #f4f1e6 12%, transparent), 0 20px 48px rgba(0,0,0,.75);
}

/* ── Semantic set (status/decorative only — never the base ground/accent) ── */
:root {
  --color-pink: #c97b93; --color-pink-wash: #f8e9ee;
  --color-blue: #6fa6c9; --color-blue-wash: #e9f2f8;
  --color-yellow: #d1ad2e; --color-yellow-wash: #faf3d9;
  --color-orange: #cc7a35; --color-orange-wash: #f8e8d9;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-pink: #dd9bb0; --color-pink-wash: #2c1a20;
    --color-blue: #8fc2e3; --color-blue-wash: #142330;
    --color-yellow: #e3c463; --color-yellow-wash: #302a15;
    --color-orange: #e0a35e; --color-orange-wash: #33230f;
  }
}
:root[data-theme="dark"] {
  --color-pink: #dd9bb0; --color-pink-wash: #2c1a20;
  --color-blue: #8fc2e3; --color-blue-wash: #142330;
  --color-yellow: #e3c463; --color-yellow-wash: #302a15;
  --color-orange: #e0a35e; --color-orange-wash: #33230f;
}

/* ── Extra status tags — Modernist ships accent/accent-2/neutral only ── */
.tag-orange { background: var(--color-orange-wash); color: var(--color-orange); }
.tag-yellow { background: var(--color-yellow-wash); color: var(--color-yellow); }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); }

.grayscale{filter:grayscale(1) contrast(1.08)}

/* ══════════════════════════════════════════════════════════════════════════
   Components — built with the tokens above. Plain CSS
   on plain HTML: no JavaScript, no build step. Each class is documented in
   readme.md and demonstrated in foundations/ and components/.
   ══════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-size: 15px; line-height: 1.55; font-weight: 400; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 25px; }
h4 { font-size: 20px; }
h5 { font-size: 16px; }
h6 { font-size: 13px; }
h6 { letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption {
  font-size: 11px; margin-top: var(--space-1);
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

/* — rules — */
.hr {
  height: 2px; border: 0; margin: var(--space-4) 0;
  background: var(--color-divider);
}

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text); /* matches the .input's 14px —
     the pair sits side by side in sign-up rows */
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.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: 36px; height: 36px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); justify-content: flex-start; text-align: left; }

/* — forms — */
.field > label {
  display: block; font-size: 12px; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.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: 90px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; }
.radio input, .seg-opt input {
  position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none;
}
.radio .dot {
  width: 16px; height: 16px; flex: none; border-radius: 50%;
  border: 1.5px solid var(--color-divider);
}
.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-bg);
}
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.seg {
  display: inline-flex; overflow: hidden;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.seg-opt {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: 13px; 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-bg); }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface);
}
.card-kicker { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.card-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 17px; line-height: 1.2;
}
.card-body { margin: 0; font-size: 13px; opacity: 0.8; flex: 1; }
.card-meta {
  display: flex; align-items: center; gap: 6px; font-size: 11px;
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 11px;
  letter-spacing: 0.02em; padding: 3px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}
.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-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }

/* — navigation — */
.nav {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--color-divider);
}
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 18px; margin-right: auto;
}
.nav a { color: inherit; text-decoration: none; font-size: 14px; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent); }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 2px solid var(--color-divider);
}
.table td {
  padding: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
}
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, 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) 50%, transparent);
}
.dialog {
  width: min(440px, 100%); display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
}
.dialog-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 20px;
}
.dialog-body { font-size: 14px; opacity: 0.85; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }