/* ===========================================================
   Wimbledon and Kingston Football League — Design System
   Mobile-first. CSS Grid for layout.
   Brand palette: navy, mid blue and white (primary), yellow
   (secondary/accent) — the merged league's shared colours.
   =========================================================== */

:root {
  --color-primary: #0b2545;      /* navy */
  --color-primary-dark: #071a33;
  --color-primary-light: #1e5aa8; /* mid blue */
  --color-accent: #ffd400;       /* yellow */
  --color-accent-dark: #c9a600;

  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-text: #101826;
  --color-text-muted: #4b5768;
  --color-border: #7c8798;

  --color-danger: #b3261e;
  --color-danger-bg: #fbeceb;
  --color-on-danger: #ffffff;
  --color-success: #1e6b3a;
  --color-success-bg: #eaf6ee;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: var(--font-base);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.06);

  --container-max: 1200px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #2c5c9e;
    --color-primary-dark: #16305a;
    --color-primary-light: #7eb2f0;
    --color-accent-dark: #d9b300;
    --color-bg: #0a1220;
    --color-surface: #101b2e;
    --color-text: #edf1f7;
    --color-text-muted: #aebbcc;
    --color-border: #5f7392;
    /* Mirrors the explicit "Dark Mode" theme's values — these were
       missing before, so a visitor with no stored theme preference
       but a dark OS setting got light-theme danger/success colours
       (e.g. #b3261e on #fbeceb) against a dark background, failing
       contrast. See scripts/check-contrast.mjs. */
    --color-danger: #ff6b61;
    --color-danger-bg: #2a0e0b;
    --color-on-danger: #1a0604;
    --color-success: #7ee0a0;
    --color-success-bg: #123a1f;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

/* ===========================================================
   Colour-scheme profiles — selectable via the nav dropdown
   (set via data-theme on <html>; all pages currently use "dark"). Each profile
   is self-contained and overrides the system prefers-color-scheme
   above once explicitly chosen. All pairings verified WCAG AA
   (4.5:1 text, 3:1 UI/borders) via `node scripts/check-contrast.mjs`
   — run it after touching any --color-* value here, and add a check
   there for any new component that puts text/a border on a
   background other than the plain page body/surface.
   =========================================================== */

/* Default (Light) — the dropdown's explicit "Default colours" choice.
   Without this, picking it only removed data-theme, which then fell
   back to the prefers-color-scheme: dark block above on any visitor
   whose system prefers dark — making "Default" and "Dark Mode" look
   identical for them. This makes the choice deterministic regardless
   of OS preference, same as every other named theme. */
html[data-theme="light"] {
  --color-primary: #0b2545;
  --color-primary-dark: #071a33;
  --color-primary-light: #1e5aa8;
  --color-accent: #ffd400;
  --color-accent-dark: #c9a600;
  --color-bg: #f4f6f9;
  --color-surface: #ffffff;
  --color-text: #101826;
  --color-text-muted: #4b5768;
  --color-border: #7c8798;
  --color-danger: #b3261e;
  --color-danger-bg: #fbeceb;
  --color-on-danger: #ffffff;
  --color-success: #1e6b3a;
  --color-success-bg: #eaf6ee;
  color-scheme: light;
}

/* High Contrast — black on white, maximum legibility */
html[data-theme="high-contrast"] {
  --color-primary: #071a33;
  --color-primary-dark: #04101f;
  --color-primary-light: #1450a0;
  --color-accent: #ffd400;
  --color-accent-dark: #b38f00;
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-text: #000000;
  --color-text-muted: #333333;
  --color-border: #000000;
  --color-danger: #a30000;
  --color-danger-bg: #ffe5e5;
  --color-on-danger: #ffffff;
  --color-success: #005c1f;
  --color-success-bg: #e2ffe9;
  color-scheme: light;
}
html[data-theme="high-contrast"] :focus-visible { outline-width: 3px; }

/* Dark Mode — explicit choice, independent of OS setting */
html[data-theme="dark"] {
  --color-primary: #2c5c9e;
  --color-primary-dark: #16305a;
  --color-primary-light: #7eb2f0;
  --color-accent: #ffd400;
  --color-accent-dark: #d9b300;
  --color-bg: #0a1220;
  --color-surface: #101b2e;
  --color-text: #edf1f7;
  --color-text-muted: #aebbcc;
  --color-border: #5f7392;
  --color-danger: #ff6b61;
  --color-danger-bg: #2a0e0b;
  --color-on-danger: #1a0604;
  --color-success: #7ee0a0;
  --color-success-bg: #123a1f;
  color-scheme: dark;
}

/* Low Vision — bright text on black, larger targets and focus rings */
html[data-theme="low-vision"] {
  --color-primary: #000000;
  --color-primary-dark: #000000;
  --color-primary-light: #ffe066;
  --color-accent: #ffe066;
  --color-accent-dark: #e0c34d;
  --color-bg: #000000;
  --color-surface: #0a0a0a;
  --color-text: #ffe066;
  --color-text-muted: #ffe066;
  --color-border: #ffe066;
  --color-danger: #ff6b6b;
  --color-danger-bg: #000000;
  --color-on-danger: #000000;
  --color-success: #8cff8c;
  --color-success-bg: #000000;
  color-scheme: dark;
}
html[data-theme="low-vision"] body { font-size: 1.15rem; }
html[data-theme="low-vision"] :focus-visible { outline-width: 4px; outline-offset: 3px; }

/* Colour-blind Safe — blue/amber palette (Okabe-Ito derived), avoids
   red-green reliance. Deliberately a distinctly different blue and a
   cool-tinted background from Default, not just a recolour of it, so
   picking this mode is actually visible. */
html[data-theme="colour-safe"] {
  --color-primary: #0072b2;
  --color-primary-dark: #003a5c;
  --color-primary-light: #186089;
  --color-accent: #f0a202;
  --color-accent-dark: #b87a00;
  --color-bg: #eaf2fb;
  --color-surface: #f7fbff;
  --color-text: #0b1f33;
  --color-text-muted: #3f5670;
  --color-border: #5c7a99;
  --color-danger: #8f4a15;
  --color-danger-bg: #fbe9db;
  --color-on-danger: #ffffff;
  --color-success: #0f6674;
  --color-success-bg: #dcf0f3;
  color-scheme: light;
}

/* Low Glare — warm, muted tones for light sensitivity */
html[data-theme="low-glare"] {
  --color-primary: #33475b;
  --color-primary-dark: #16222e;
  --color-primary-light: #3d6690;
  --color-accent: #b08d2b;
  --color-accent-dark: #8a6e20;
  --color-bg: #f1ecdf;
  --color-surface: #f8f4e9;
  --color-text: #2b2620;
  --color-text-muted: #5b5348;
  --color-border: #867857;
  --color-danger: #8a3020;
  --color-danger-bg: #f1ddd2;
  --color-on-danger: #ffffff;
  --color-success: #3f6b3a;
  --color-success-bg: #e3ecdd;
  color-scheme: light;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-primary-light); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.2; margin: 0 0 var(--space-3); }
p { margin: 0 0 var(--space-4); }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.grid {
  display: grid;
  gap: var(--space-5);
}

/* Auto-fit card grid: 1 column on mobile, grows as space allows */
.grid--cards {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}

.grid--two {
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .grid--two { grid-template-columns: 1fr 1fr; }
}

.section {
  padding-block: var(--space-7);
}
.section--tight {
  padding-block: var(--space-6);
}
.section--alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.stack { display: flex; flex-direction: column; gap: var(--space-3); }
.cluster { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.site-header a { color: #fff; }
.site-header__bar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--space-4);
  padding-block: var(--space-3);
}
.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
}
.site-header__brand:hover { text-decoration: none; opacity: 0.9; }
.site-header__crest {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.site-nav__toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
}
@media (min-width: 800px) {
  .site-nav__toggle { display: none; }
}

.site-nav__list {
  display: grid;
  gap: var(--space-1);
  padding-block: var(--space-2) var(--space-4);
}
.site-nav[data-open="false"] .site-nav__list { display: none; }
@media (min-width: 800px) {
  .site-nav {
    grid-column: 1 / -1;
  }
  .site-nav[data-open="false"] .site-nav__list,
  .site-nav__list {
    display: flex;
    gap: var(--space-5);
    padding: 0;
  }
  .site-header__bar { grid-template-columns: auto 1fr; }
}
.site-nav__list a {
  display: block;
  padding: var(--space-2) var(--space-1);
  font-weight: 500;
}
.site-nav__list a[aria-current="page"] {
  border-bottom: 2px solid var(--color-accent);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  margin-top: var(--space-8);
}
.site-footer .container {
  padding-block: var(--space-6);
  display: grid;
  gap: var(--space-4);
}
.site-footer a { color: #fff; }
.site-footer__meta {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
}
.hero .container {
  padding-block: var(--space-8);
  display: grid;
  gap: var(--space-4);
  max-width: 760px;
}
.hero h1 { font-size: clamp(1.75rem, 5vw, 2.75rem); }
.hero p { font-size: 1.1rem; color: rgba(255, 255, 255, 0.9); }

.page-header {
  background: var(--color-primary);
  color: #fff;
}
.page-header .container { padding-block: var(--space-6); }
.page-header h1 { margin: 0; }
.page-header p { margin: var(--space-2) 0 0; color: rgba(255, 255, 255, 0.92); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover, .btn:focus-visible { text-decoration: none; }
.btn--primary {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}
.btn--primary:hover { background: var(--color-accent-dark); }
.btn--outline {
  background: transparent;
  border-color: currentColor;
  color: #fff;
}
.btn--outline:hover { background: rgba(255, 255, 255, 0.12); }
.btn--sm { padding: var(--space-2) var(--space-3); font-size: 0.85rem; }
.btn--danger { background: var(--color-danger); color: var(--color-on-danger); }
.btn--danger:hover { background: #8c1e18; }
.btn--ghost { background: transparent; color: var(--color-primary-light); border-color: var(--color-border); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---------- Cards ---------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.card h3 { margin-bottom: var(--space-1); }

.event-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
}
.event-card__date {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  text-align: center;
  min-width: 4.5rem;
  height: fit-content;
}
.event-card__date .day { display: block; font-size: 1.4rem; font-weight: 700; line-height: 1; }
.event-card__date .month { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.event-card__category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary-light);
  margin-bottom: var(--space-1);
}

.person-card {
  text-align: left;
  display: grid;
  gap: var(--space-3);
  width: max-content;
  max-width: 100%;
}
.person-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.1rem;
}
.person-card__role {
  color: var(--color-primary-light);
  font-weight: 600;
  font-size: 0.9rem;
}
.person-card__meta {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.doc-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-4);
}
.doc-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.75rem;
  flex-shrink: 0;
}
.doc-group + .doc-group { margin-top: var(--space-7); }
.doc-group__title {
  font-size: 1.25rem;
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-accent);
}
.doc-group__list { gap: var(--space-3); }
.doc-card__title { margin-bottom: var(--space-1); }
.doc-card__description {
  margin: 0 0 var(--space-2);
  color: var(--color-text-muted);
}
.doc-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.doc-card__action {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
@media (max-width: 600px) {
  .doc-card { grid-template-columns: auto 1fr; align-items: start; }
  .doc-card__action { grid-column: 1 / -1; }
}

.fines-grid {
  display: grid;
  grid-template-columns: minmax(90px, auto) 1fr minmax(90px, auto);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}
.fines-grid__row { display: contents; }
.fines-grid__row > div {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.fines-grid__row:last-child > div { border-bottom: none; }
.fines-grid__row--head > div {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  background: var(--color-bg);
}
.fines-grid__amount { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- States ---------- */
.state {
  padding: var(--space-6);
  text-align: center;
  color: var(--color-text-muted);
}
.state--error { color: var(--color-danger); }
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: var(--space-1) var(--space-2);
  border-radius: 999px;
  background: var(--color-success-bg);
  color: var(--color-success);
}

/* ---------- Forms ---------- */
.field { display: grid; gap: var(--space-1); margin-bottom: var(--space-4); }
.field label { font-weight: 600; font-size: 0.9rem; }
.field input,
.field select,
.field textarea {
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 5rem; }
.form-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  display: none;
}
.form-error[data-visible="true"] { display: block; }

/* ---------- Bulk import / export ---------- */
.io-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}
.io-card summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-3) var(--space-4);
  font-weight: 700;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-primary-light);
}
.io-card summary::-webkit-details-marker { display: none; }
.io-card summary:hover { background: var(--color-bg); }
.io-card__chev {
  color: var(--color-text-muted);
  font-weight: 400;
  font-size: 0.8rem;
  transition: transform 0.15s;
}
.io-card[open] .io-card__chev { transform: rotate(90deg); }
.io-card__body {
  padding: var(--space-4) var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
}
.io-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
@media (max-width: 560px) {
  .io-grid { grid-template-columns: 1fr; }
}
.io-sub h4 {
  margin: 0 0 var(--space-1);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
}
.io-sub .hint {
  margin: 0 0 var(--space-3);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.warn-check {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-danger-bg);
  border: 1px solid var(--color-danger);
  margin-bottom: var(--space-3);
  cursor: pointer;
}
.warn-check input { margin-top: 0.2rem; }
.warn-check__label {
  font-size: 0.85rem;
  color: var(--color-danger);
  font-weight: 600;
  line-height: 1.35;
}
.warn-check__label small {
  display: block;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: 0.15rem;
}

/* ---------- Utility ---------- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

/* ---------- Tables ---------- */
table {
  width: 100%;
  border-collapse: collapse;
}
table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
table tr:last-child td {
  border-bottom: none;
}

/* ---------- Loading / States ---------- */
.spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}