/* ─────────────────────────────────────────────
   Crystal AI Club — Shared inner-page styles
   Loaded after tokens.css + components.css on every
   non-landing page. Liquid Glass, orange, dark-first.
   ───────────────────────────────────────────── */

/* ── Page shell ───────────────────────────── */
.page {
  min-height: 100vh;
  padding-top: 96px;          /* clears the fixed navbar */
  padding-bottom: var(--space-8);
}
.page-narrow { width: min(760px, 100%); margin-inline: auto; }
.page-mid    { width: min(960px, 100%); margin-inline: auto; }

/* ── Page header ──────────────────────────── */
.page-header {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: var(--space-7);
  max-width: 720px;
}
.page-header.center { margin-inline: auto; align-items: center; text-align: center; }
.page-header .t-lead { margin: 0; }

/* breadcrumb / back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 13px/1 var(--font-mono);
  color: var(--ink-faint);
  margin-bottom: 18px;
  transition: color var(--dur-fast) var(--ease-out);
}
.back-link:hover { color: var(--ink); }

/* ── Prose (article body) ─────────────────── */
.prose { color: var(--ink-muted); font-size: 16px; line-height: 1.7; }
.prose > * + * { margin-top: 1em; }
.prose h2 { color: var(--ink); font-size: var(--t-h2); font-weight: 500; letter-spacing: -0.025em; margin-top: 1.6em; }
.prose h3 { color: var(--ink); font-size: var(--t-h3); font-weight: 500; margin-top: 1.4em; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--orange-icon); text-decoration: underline; text-underline-offset: 2px; }
.prose ul, .prose ol { padding-inline-start: 22px; }
.prose li { margin-top: 6px; }
.prose code {
  font: 0.88em/1 var(--font-mono);
  background: color-mix(in oklab, var(--ink) 8%, transparent);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: 2px 6px;
}
.prose blockquote {
  border-inline-start: 3px solid var(--orange-500);
  padding-inline-start: 18px;
  color: var(--ink-muted);
  font-style: italic;
}
.prose img { border-radius: var(--r-md); }
.prose hr { border: 0; height: 1px; background: var(--hairline); margin: 2em 0; }

/* ── Cards ────────────────────────────────── */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(var(--blur-intensity)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur-intensity)) saturate(140%);
  border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow);
  padding: var(--space-5);
}
.card-pad-lg { padding: var(--space-7); }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.card-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .card-grid-2 { grid-template-columns: 1fr; } }

/* a clickable content card */
.tile {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--space-5);
  border-radius: var(--r-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--glass-shadow);
  transition: transform var(--dur-med) var(--ease-out),
              border-color var(--dur-med) var(--ease-out),
              box-shadow var(--dur-med) var(--ease-out);
}
.tile {
  transition: transform var(--dur-med) var(--ease-spring),
              border-color var(--dur-med) var(--ease-out),
              box-shadow var(--dur-med) var(--ease-out);
}
.tile:hover {
  transform: translateY(-3px);
  border-color: color-mix(in oklab, var(--orange-500) 40%, var(--glass-edge));
  box-shadow: var(--glass-shadow), 0 0 36px rgba(249,115,22,calc(0.24 * var(--glow-intensity)));
}
.tile h3 { color: var(--ink); font-size: 17px; font-weight: 600; letter-spacing: -0.01em; }
.tile p { color: var(--ink-muted); font-size: 14px; line-height: 1.55; }
.tile-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: auto; }

/* ── Forms ────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field-label {
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.input, .textarea, .select {
  width: 100%;
  font: 400 15px/1.5 var(--font-sans);
  color: var(--ink);
  background: color-mix(in oklab, var(--ink) 4%, transparent);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  padding: 11px 14px;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.textarea { resize: vertical; min-height: 120px; line-height: 1.6; }
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--orange-icon);
  background: color-mix(in oklab, var(--ink) 6%, transparent);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.14);
}
.input::placeholder, .textarea::placeholder { color: var(--ink-faint); }

/* ── Accordion (FAQ) ──────────────────────── */
.accordion { display: flex; flex-direction: column; gap: 10px; }
.acc-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-md);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
}
.acc-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 20px;
  font-weight: 500;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.acc-item > summary::-webkit-details-marker { display: none; }
.acc-item > summary::after {
  content: "+";
  font: 400 20px/1 var(--font-mono);
  color: var(--orange-icon);
  transition: transform var(--dur-fast) var(--ease-out);
}
.acc-item[open] > summary::after { transform: rotate(45deg); }
.acc-body {
  padding: 0 20px 18px;
  color: var(--ink-muted);
  font-size: 15px;
  line-height: 1.65;
}
.acc-body a { color: var(--orange-icon); text-decoration: underline; }

/* ── Table ────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-lg);
  background: var(--glass-bg);
  box-shadow: var(--glass-shadow);
}
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
table.tbl th, table.tbl td {
  padding: 13px 16px;
  text-align: start;
  border-bottom: 1px solid var(--hairline);
}
table.tbl th {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
table.tbl tr:last-child td { border-bottom: 0; }
table.tbl td { color: var(--ink-muted); }
table.tbl td:first-child, table.tbl th:first-child { color: var(--ink); }

/* ── Auth card ────────────────────────────── */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: min(420px, 100%); padding: var(--space-7); text-align: center; }
.auth-card .brand { justify-content: center; margin-bottom: 18px; }

/* ── Empty state ──────────────────────────── */
.empty {
  text-align: center;
  padding: var(--space-8) var(--space-5);
  color: var(--ink-faint);
}
.empty .empty-icon {
  width: 48px; height: 48px;
  margin: 0 auto 14px;
  color: var(--ink-faint);
}
.empty h3 { color: var(--ink-muted); font-size: 17px; font-weight: 500; margin-bottom: 6px; }
.empty p { font-size: 14px; max-width: 36ch; margin: 0 auto 16px; }

/* ── Toast ────────────────────────────────── */
.toast {
  position: fixed;
  inset-block-end: 24px;
  inset-inline: 0;
  margin-inline: auto;
  width: max-content;
  max-width: calc(100% - 48px);
  background: var(--orange-primary);
  color: white;
  padding: 11px 20px;
  border-radius: var(--r-pill);
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 12px 36px -8px rgba(249,115,22,0.6);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
  pointer-events: none;
  z-index: 90;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: #dc3c3c; }

/* ── System / status pages ────────────────── */
.status-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
}
.status-card { width: min(520px, 100%); padding: var(--space-8); }
.status-code {
  font: 500 64px/1 var(--font-mono);
  letter-spacing: -0.04em;
  color: var(--orange-icon);
  margin-bottom: 8px;
}
.status-mark {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  display: grid; place-items: center;
}

/* ── Footer (shared with landing) ─────────── */
.footer {
  position: relative;
  z-index: 2;
  padding: 48px 0 32px;
  border-top: 1px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--border-strong), transparent) 1;
  margin-top: 48px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-col a {
  color: var(--ink-muted);
  font-size: 14px;
  transition: color var(--dur-fast) var(--ease-out);
}
.footer-col a:hover { color: var(--ink); }
@media (max-width: 720px) { .footer-inner { grid-template-columns: 1fr; } }

/* ── Misc helpers ─────────────────────────── */
.divider-block { height: 1px; background: var(--hairline); margin-block: var(--space-6); }
.stack-lg { display: flex; flex-direction: column; gap: var(--space-5); }
.center-text { text-align: center; }