/* Shared dark theme for the static pages (/, /support/, /privacy/, 404). */
:root {
  --brand: #0F766E;
  --brand-ink: #2DD4BF;
  --accent: #06B6D4;
  --danger: #DC2626;
  --bg: #0B1220;
  --panel: #111A2B;
  --ink: #E5E7EB;
  --muted: #9CA3AF;
  --border: #243042;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink); line-height: 1.6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
a { color: var(--brand-ink); }
a:focus-visible, summary:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 64px; }

header.top {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 0; border-bottom: 1px solid var(--border);
}
.brand { color: var(--brand-ink); font-weight: 700; font-size: 17px; text-decoration: none; white-space: nowrap; }
.lang { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.lang label { color: var(--muted); font-size: 13px; }
.lang select {
  background: var(--panel); color: var(--ink); border: 1px solid var(--border);
  border-radius: 8px; height: 34px; padding: 0 8px; font-size: 14px; max-width: 150px;
}

.emergency {
  margin: 20px 0 8px; padding: 14px 16px; border-radius: 12px;
  background: rgba(220, 38, 38, 0.14); border: 1px solid rgba(220, 38, 38, 0.55);
}
.emergency h2 { margin: 0 0 4px; font-size: 17px; color: #FCA5A5; }
.emergency p { margin: 0; font-size: 15px; }

.notice {
  margin: 20px 0 0; padding: 12px 16px; border-radius: 12px; font-size: 14px;
  background: rgba(6, 182, 212, 0.10); border: 1px solid rgba(6, 182, 212, 0.45);
}

h1 { color: var(--brand-ink); font-size: 30px; margin: 28px 0 4px; line-height: 1.25; }
.lead { color: var(--muted); margin: 0 0 8px; font-size: 17px; }
h2.sec { color: var(--brand-ink); font-size: 21px; margin: 36px 0 12px; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.card p { margin: 0 0 12px; }
.card p:last-child { margin-bottom: 0; }
.btn {
  display: inline-block; background: var(--brand); color: #fff; text-decoration: none;
  font-weight: 600; padding: 12px 18px; border-radius: 10px; word-break: break-all;
}
.btn:hover { background: #0D9488; }
.hint { color: var(--muted); font-size: 14px; }

details { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; margin: 0 0 10px; }
details[open] { border-color: rgba(45, 212, 191, 0.45); }
summary {
  cursor: pointer; list-style: none; padding: 14px 44px 14px 16px; position: relative;
  font-weight: 600; font-size: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+"; position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  color: var(--brand-ink); font-size: 22px; font-weight: 400; line-height: 1;
}
details[open] summary::after { content: "−"; }
summary h3 { display: inline; font-size: inherit; margin: 0; }
.ans { padding: 0 16px 14px; }
.ans p, .ans ul { margin: 0 0 10px; }
.ans ul { padding-left: 20px; }
.ans li { margin: 4px 0; }
.ans b { color: #F3F4F6; }

/* Long-form legal text (/privacy/) */
.doc h2 { color: var(--brand-ink); font-size: 20px; margin: 32px 0 8px; }
.doc .meta { color: var(--muted); margin: 0 0 20px; }
.doc strong { color: #F3F4F6; }
.doc ul { padding-left: 22px; }
.doc li { margin: 4px 0; }
.doc code { background: var(--panel); border: 1px solid var(--border); border-radius: 4px; padding: 0 4px; font-size: 0.92em; }
.doc hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0 16px; }
.tbl { overflow-x: auto; margin: 12px 0; }
.tbl table { border-collapse: collapse; width: 100%; font-size: 14px; }
.tbl th, .tbl td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
.tbl th { background: var(--panel); color: #F3F4F6; }

/* Home page link list */
.links { display: grid; gap: 10px; margin-top: 24px; }
.links a {
  display: block; padding: 14px 16px; border: 1px solid var(--border); border-radius: 12px;
  background: var(--panel); color: var(--ink); text-decoration: none;
}
.links a:hover { border-color: var(--brand-ink); }
.links a b { color: var(--brand-ink); display: block; }
.links a span { color: var(--muted); font-size: 14px; }

footer {
  margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 14px;
}
footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 8px; }