* { box-sizing: border-box; }

:root {
  color-scheme: dark;
  --bg: #11111d;
  --surface: #1b1a29;
  --surface-soft: rgba(255, 255, 255, 0.05);
  --border: rgba(212, 168, 87, 0.18);
  --gold: #d4a857;
  --text: #f0ede8;
  --muted: #b8afa5;
  --quiet: #827b88;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #242039 0%, var(--bg) 52%);
  color: var(--text);
  font: 15px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--gold); text-decoration: none; border-bottom: 1px solid rgba(212, 168, 87, 0.35); }
a:hover { border-bottom-color: var(--gold); }

.container { width: min(720px, 100%); margin: 0 auto; padding: 28px 20px 56px; }
.header { padding: 22px 0 26px; text-align: center; border-bottom: 1px solid var(--border); }
.brand-mark {
  display: block;
  width: 64px;
  height: 64px;
  margin: 0 auto;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
.app-name { margin-top: 12px; color: var(--gold); font-size: 13px; letter-spacing: 3px; text-transform: uppercase; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; }
h1 { margin: 16px 0 0; font-size: clamp(25px, 5vw, 34px); line-height: 1.2; }
.date { margin: 8px 0 0; color: var(--quiet); font-size: 13px; }

.lang-toggle { display: flex; justify-content: center; margin-top: 20px; }
.language-select {
  min-width: 190px;
  border: 1px solid rgba(212, 168, 87, 0.3);
  border-radius: 7px;
  padding: 7px 30px 7px 10px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}
.language-select:hover, .language-select:focus { border-color: var(--gold); outline: none; }

.nav {
  display: flex;
  justify-content: center;
  gap: 0;
  margin: 24px 0 34px;
  border-bottom: 1px solid var(--border);
}
.nav a {
  padding: 0 18px 11px;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--quiet);
  font-size: 13px;
  white-space: nowrap;
}
.nav a:hover {
  border-bottom-color: rgba(212, 168, 87, 0.45);
  color: var(--text);
}
.nav a.current {
  border-bottom-color: var(--gold);
  color: var(--gold);
}

.notice {
  margin: 0 0 26px;
  padding: 16px 17px;
  border: 1px solid rgba(212, 168, 87, 0.45);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(212, 168, 87, 0.16), rgba(212, 168, 87, 0.05));
}
.section { margin: 0 0 26px; padding: 20px; border: 1px solid rgba(255, 255, 255, 0.07); border-radius: 14px; background: var(--surface-soft); }
.section h2 { margin: 0 0 9px; color: var(--gold); font-size: 20px; line-height: 1.25; }
.section p { margin: 0; color: var(--muted); }
.footer { margin-top: 38px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--quiet); text-align: center; font-size: 13px; }
.suits { margin-top: 6px; color: var(--gold); letter-spacing: 8px; }

@media (prefers-color-scheme: light) {
  :root { color-scheme: light; --bg: #fbf9f5; --surface: #fffdf9; --surface-soft: rgba(255, 255, 255, 0.82); --border: rgba(87, 59, 17, 0.14); --text: #27231f; --muted: #5e554c; --quiet: #85796b; }
  body { background: radial-gradient(circle at top, #f4ead7 0%, var(--bg) 54%); }
  .section { border-color: rgba(87, 59, 17, 0.1); }
}

@media (max-width: 480px) {
  .container { padding: 18px 14px 38px; }
  .section { padding: 16px; }
  .nav a { padding: 0 12px 10px; font-size: 12px; }
}