/* Modernist design system — tokens + components, plus this project's page-specific styles. */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;600;800&display=swap');

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  /* Monochrome palette — no hue anywhere, only black/white/gray. --color-accent-2-* stays
     identical to --color-accent-* (no second accent, same as before, just achromatic now). */
  --color-accent: #201e1d;
  --color-accent-2: #201e1d;
  --color-divider: color-mix(in srgb, #201e1d 40%, transparent);

  --color-neutral-100: #f8f4f4;
  --color-neutral-200: #eae7e7;
  --color-neutral-300: #d7d3d3;
  --color-neutral-400: #bab6b6;
  --color-neutral-500: #9b9797;
  --color-neutral-600: #7d7979;
  --color-neutral-700: #605d5d;
  --color-neutral-800: #444141;
  --color-neutral-900: #2d2b2b;

  --color-accent-100: #f2f1f0;
  --color-accent-200: #e2dfdd;
  --color-accent-300: #c7c3c0;
  --color-accent-400: #a19c98;
  --color-accent-500: #726e6a;
  --color-accent-600: #100f0e;
  --color-accent-700: #000000;
  --color-accent-800: #000000;
  --color-accent-900: #000000;

  --color-accent-2-100: #f2f1f0;
  --color-accent-2-200: #e2dfdd;
  --color-accent-2-300: #c7c3c0;
  --color-accent-2-400: #a19c98;
  --color-accent-2-500: #726e6a;
  --color-accent-2-600: #100f0e;
  --color-accent-2-700: #000000;
  --color-accent-2-800: #000000;
  --color-accent-2-900: #000000;

  --font-heading: "Archivo", system-ui, sans-serif;
  --font-heading-weight: 800;
  --font-body: "Archivo", system-ui, sans-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: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2d2b2b 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2d2b2b 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2d2b2b 22%, transparent);
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); 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; }
h4 { font-size: 20px; }
h6 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-decoration: none; text-underline-offset: 3px; }
a:hover { color: var(--color-accent-700); }
img { display: block; max-width: 100%; }
.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); }

.page-shell { min-height: 100vh; background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); }

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

/* — 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);
  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; }

/* — 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-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); }

/* — 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); }

/* — 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; padding-bottom: 3px; border-bottom: 2px solid transparent; transition: border-color .1s; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent); }
.nav a[aria-current='page'] { border-bottom-color: var(--color-accent); }
.nav-user { font-size: 13px; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-logout { font-size: 13px !important; }

/* — notice (errors/warnings) — no red to signal these, so weight + a left rule carry it — */
.notice { background: var(--color-surface); border-left: 3px solid var(--color-text); padding: 8px 12px; font-size: 13px; font-weight: 600; }

/* — 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); z-index: 100; }
.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; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

/* ═════════════════════ page-specific ═════════════════════ */

.chip { display: block; width: 100%; text-align: left; font-size: 11px; padding: 3px 6px; border: 0; cursor: pointer; font-family: var(--font-body); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; border-radius: 2px; transition: filter .1s; }
.chip:hover { filter: brightness(0.93); }

.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); border-top: 2px solid var(--color-divider); border-left: 2px solid var(--color-divider); }
.cal-head { padding: 10px 8px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; color: color-mix(in srgb, var(--color-text) 55%, transparent); border-right: 2px solid var(--color-divider); border-bottom: 2px solid var(--color-divider); }
.cal-grid > *:nth-child(7n-1), .cal-grid > *:nth-child(7n) { background: var(--color-surface); }
.cal-cell { border-right: 2px solid var(--color-divider); border-bottom: 2px solid var(--color-divider); min-height: 116px; padding: 8px; display: flex; flex-direction: column; gap: 4px; transition: background .1s; }
.cal-cell.cal-cell-has-events { background: color-mix(in srgb, var(--color-accent) 6%, transparent); }
.cal-cell.cal-cell-today { background: color-mix(in srgb, var(--color-accent) 14%, transparent); box-shadow: inset 0 0 0 2px var(--color-accent); }
.cal-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.legend-dot { width: 8px; height: 8px; flex: none; border-radius: 50%; display: inline-block; box-shadow: inset 0 0 0 1px var(--color-divider); }
.meta-row { display: flex; align-items: center; gap: 6px; font-size: 14px; }
.meta-row svg { flex: none; }

.list-card { display: flex; flex-direction: row; align-items: flex-start; gap: 16px; margin-bottom: 10px; transition: background .1s, box-shadow .1s; }
.list-card:hover { background: var(--color-neutral-200); box-shadow: var(--shadow-md); }
.list-card .tag { flex: none; margin-top: 1px; }
.list-card .btn-icon { margin-top: 1px; }

.rel-card { cursor: pointer; transition: box-shadow .1s; }
.rel-card:hover { box-shadow: var(--shadow-md); }

.login-card { width: min(360px, 100%); text-align: center; padding: var(--space-6); }
.login-card .nav-brand { text-align: left; }

@media (max-width: 900px) {
  .page-container { padding: 24px 20px 60px; }
  .rel-grid { grid-template-columns: repeat(2, 1fr); }
  .nav { padding-left: 20px; padding-right: 20px; flex-wrap: wrap; row-gap: 10px; }
  .cal-grid { min-width: 640px; }
}
@media (max-width: 560px) {
  .rel-grid { grid-template-columns: 1fr; }
  h1 { font-size: 28px; }
  .list-card .tag { display: none; }
  .btn-primary { width: 100%; justify-content: center; }
  .nav-user { display: none; }
  /* 16px prevents iOS Safari from auto-zooming the page when a field is focused. */
  .input { font-size: 16px; }
}