/*
  Project Starter CSS
  - Security-friendly (no inline styles needed)
  - Accessible defaults
  - Responsive and themable via CSS variables
*/

/* Core defaults */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; color-scheme: light dark; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background: var(--color-bg);
  color: var(--color-fg);
}

img, svg, video, canvas, audio, iframe, embed, object {
  display: block;
  max-width: 100%;
}

/* Hidden utility */
[hidden] { display: none !important; }

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* Theme tokens */
:root {
  --color-bg: #ffffff;
  --color-fg: #111827;
  --color-muted: #6b7280;
  --color-accent: #2563eb;
  --container-max: 72rem;
  --gap: 1rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0b0d12;
    --color-fg: #e5e7eb;
    --color-muted: #9ca3af;
    --color-accent: #60a5fa;
  }
}

/* Layout */
.site-header, .site-footer { border-block: 1px solid color-mix(in oklab, var(--color-fg), transparent 90%); }
.site-header { background: color-mix(in oklab, var(--color-bg), var(--color-fg) 2%); }
.site-footer { color: var(--color-muted); }
.container { width: min(100% - 2rem, var(--container-max)); margin-inline: auto; padding-block: 0.75rem; }

.site-main { min-height: calc(100svh - 4.5rem); display: grid; place-items: start; padding: 1.5rem; }
.site-main--compact { padding-top: 0.75rem; }
.site-main--compact .hero { margin-top: 0.5rem; }
.center { text-align: center; }

.brand { font-weight: 600; }

.hero-image { width: 100%; height: auto; max-width: 289px; margin-inline: auto; }

/* Skip link */
.skip-link {
  position: absolute; left: 0; top: 0;
  transform: translateY(-120%);
  background: var(--color-fg); color: var(--color-bg);
  padding: 0.5rem 0.75rem; border-radius: 0 0 0.25rem 0.25rem;
}
.skip-link:focus { transform: translateY(0); }

/* Small footer year JS-free fallback if desired (e.g., set server-side) */

/* Update toast */
.update-toast {
  position: fixed;
  inset-block-end: 1rem;
  inset-inline: 0;
  display: flex;
  justify-content: center;
  z-index: 9999;
  pointer-events: none;
}
.update-toast .toast-card {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-fg);
  color: var(--color-bg);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}
.update-toast .spinner {
  display: none;
  inline-size: 1rem;
  block-size: 1rem;
  border: 2px solid color-mix(in oklab, var(--color-bg), transparent 40%);
  border-top-color: var(--color-bg);
  border-radius: 999px;
  margin-inline-end: 0.25rem;
  animation: spin 0.8s linear infinite;
}
.toast-card[aria-busy="true"] .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.update-toast .actions { display: flex; gap: 0.5rem; margin-inline-start: 0.5rem; }

/* Buttons */
.btn { cursor: pointer; border: 0; padding: 0.5rem 0.75rem; border-radius: 0.375rem; font-weight: 600; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-ghost { background: transparent; color: inherit; border: 1px solid color-mix(in oklab, var(--color-bg), transparent 70%); }
.btn-danger { background: #dc2626; color: #fff; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; }

/* Updating state */
.toast-card[aria-busy="true"] { outline: 2px dotted color-mix(in oklab, var(--color-bg), transparent 60%); outline-offset: 2px; }
.toast-status { font-weight: 600; }

/* ---- Home page enhancements ---- */
.hero { margin-block: 2rem 1.25rem; }
.hero h1 { margin: 0 0 .5rem; font-size: clamp(1.5rem, 2.5vw, 2rem); }
.muted { color: var(--color-muted); }
.small { font-size: .9rem; }

.layout {
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }

.card {
  background: color-mix(in oklab, var(--color-bg), var(--color-fg) 0%);
  /* Thicker, soft white border finish */
  border: 2px solid color-mix(in oklab, #ffffff, transparent 70%);
  border-radius: 0.75rem;
  padding: 1rem 1rem 1.25rem;
  box-shadow: 0 10px 30px rgb(2 8 23 / 0.08);
}
.card h2 { margin: 0 0 .75rem; font-size: 1.15rem; }
/* Small gap between card sections */
section.card { margin-block: 0.5rem; }
details.card { margin-block: 0.5rem; }
.card--overview { margin-block-end: 1rem; }

/* Collapsible cards via <details> */
details.card > summary {
  display: flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
  list-style: none;
}
/* Hide default marker; we draw our own chevron */
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary::before {
  content: '';
  inline-size: .55rem;
  block-size: .55rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg); /* right chevron when closed */
  transition: transform .2s ease;
}
details.card[open] > summary::before {
  transform: rotate(45deg); /* down chevron when open */
}
details.card > summary h2 { margin: 0; font-size: 1.1rem; }
details.card > *:not(summary) { margin-top: .75rem; }

.form-group { display: grid; gap: .375rem; margin-block: .6rem; }
.form-row { margin-block: .6rem; }
.form-grid { display: grid; gap: .75rem; }
.note-config { margin-top: .5rem; padding: .5rem .75rem; border-radius: .5rem; border: 1px solid color-mix(in oklab, var(--color-fg), transparent 85%); background: color-mix(in oklab, var(--color-bg), var(--color-fg) 3%); }
.note-field { margin-top: .5rem; padding: .5rem .75rem; border-radius: .5rem; border: 1px solid color-mix(in oklab, var(--color-fg), transparent 82%); background: color-mix(in oklab, var(--color-bg), var(--color-fg) 4%); }
.note-field textarea { width: 100%; min-height: 3.25rem; resize: vertical; }
.note-error { margin-top: .35rem; color: #b91c1c; font-size: .9rem; }
.flash-wrap { margin-top: .5rem; }
.flash { margin: .5rem 0; padding: .65rem .85rem; border-radius: .6rem; border: 1px solid transparent; font-weight: 500; }
.flash--ok { background: #ecfdf5; border-color: #34d399; color: #065f46; }
.flash--error, .flash--delete { background: #fef2f2; border-color: #f87171; color: #7f1d1d; }
input[type="text"], input[type="email"], input[type="password"] {
  width: 100%;
  padding: .6rem .7rem;
  border: 1px solid color-mix(in oklab, var(--color-fg), transparent 85%);
  border-radius: .6rem;
  font-size: 1rem;
  background: var(--color-bg);
  color: var(--color-fg);
}
select option[data-locked="1"] {
  color: color-mix(in oklab, var(--color-muted), transparent 10%);
  font-style: italic;
}
input:focus-visible { outline-color: var(--color-accent); }

.actions { display: flex; gap: .5rem; align-items: center; margin-top: .5rem; }
.check { display: inline-flex; gap: .5rem; align-items: center; color: var(--color-fg); }
.notice { padding: .6rem .75rem; border-radius: .6rem; margin: .5rem 0; }
.notice.error { background: #fef2f2; border: 1px solid #f87171; color: #7f1d1d; }

/* ---- Primary nav ---- */
.site-nav { border-bottom: 1px solid color-mix(in oklab, var(--color-fg), transparent 90%); background: color-mix(in oklab, var(--color-bg), var(--color-fg) 1%); }
.site-nav .container { display: flex; gap: .25rem; flex-wrap: wrap; padding-block: .5rem; }
.site-nav__link { display: inline-flex; align-items: center; gap: .4rem; padding: .4rem .65rem; border-radius: .5rem; color: inherit; text-decoration: none; }
.site-nav__link:hover { background: color-mix(in oklab, var(--color-fg), transparent 92%); }
.site-nav__link.is-active { background: color-mix(in oklab, var(--color-accent), transparent 80%); color: var(--color-fg); font-weight: 600; }

/* Simple tabs */
.tabs { display: flex; gap: .5rem; margin: .25rem 0 .25rem; }
.tab-link { display: inline-flex; align-items: center; gap: .3rem; padding: .35rem .6rem; border-radius: .5rem; text-decoration: none; color: inherit; border: 1px solid color-mix(in oklab, var(--color-fg), transparent 85%); }
.tab-link[aria-selected="true"] { background: color-mix(in oklab, var(--color-accent), transparent 82%); font-weight: 600; }

/* Progress bar */
.progress { width: 100%; height: 10px; background: color-mix(in oklab, var(--color-fg), transparent 92%); border-radius: 999px; overflow: hidden; }
.progress__bar { height: 100%; width: 0%; background: #16a34a; transition: width .25s ease; }