/* stringingbear.com — the app's warm palette, light and dark. */
:root {
  --bg: #f6f2ec;
  --surface: #ffffff;
  --surface-alt: #f2ece4;
  --border: #e6ddd2;
  --text: #1e1914;
  --muted: #6b6158;
  --faint: #9c9187;
  --primary: #b8501c;
  --primary-deep: #9a3e12;
  --primary-soft: #faeadf;
  --on-primary: #ffffff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12100e;
    --surface: #1d1916;
    --surface-alt: #29231f;
    --border: #3a322c;
    --text: #f4efea;
    --muted: #b6aca3;
    --faint: #867c73;
    --primary: #f08a4b;
    --primary-deep: #d06b30;
    --primary-soft: #3a2416;
    --on-primary: #1a0f08;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.top, main, footer { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; }
.brand:hover { text-decoration: none; }
.brand small { color: var(--muted); font-weight: 500; font-size: 13px; }
.top nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 15px; }
.top nav a { color: var(--muted); }
.top nav a.lang { color: var(--primary); font-weight: 600; }

section, .doc { margin: 0 0 40px; }
h1 { font-size: 36px; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 24px; margin: 0 0 12px; }
h3 { font-size: 17px; margin: 20px 0 8px; color: var(--muted); }
.lead { color: var(--muted); margin: 0 0 16px; }

.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
  color: var(--on-primary);
  border-radius: 28px;
  padding: 36px 28px;
  margin-top: 8px;
}
.hero h1 span { font-weight: 500; opacity: 0.85; font-size: 0.6em; display: block; margin-top: 4px; }
.hero p { margin: 0 0 20px; font-size: 18px; opacity: 0.95; }
.hero .notice { background: rgba(0, 0, 0, 0.18); border-radius: 12px; padding: 10px 14px; font-size: 15px; }
.ways { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.way {
  display: flex; flex-direction: column; gap: 2px;
  background: rgba(255, 255, 255, 0.14); border-radius: 18px; padding: 16px 18px; color: inherit;
}
.way span { font-size: 14px; opacity: 0.85; }
.way.primary { background: var(--surface); color: var(--primary); }
.way.primary span { color: var(--muted); opacity: 1; }
.way.primary:hover { text-decoration: none; filter: brightness(0.98); }

.info { margin: 0; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 6px 20px; }
.info div { display: flex; gap: 16px; padding: 12px 0; border-top: 1px solid var(--border); }
.info div:first-child { border-top: 0; }
.info dt { color: var(--muted); min-width: 72px; }
.info dd { margin: 0; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.tile { background: var(--primary-soft); border-radius: 18px; padding: 16px 18px; display: flex; flex-direction: column; }
.tile span { color: var(--muted); font-size: 14px; }
.tile strong { color: var(--primary); font-size: 28px; }
.extras { margin: 12px 0 0; padding-left: 20px; color: var(--muted); }

.strings { list-style: none; margin: 0; padding: 0 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; }
.strings li { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid var(--border); }
.strings li:first-child { border-top: 0; }
.strings small { color: var(--faint); }

.how { margin: 0; padding-left: 22px; }
.how li { margin: 6px 0; }

.doc { background: var(--surface); border: 1px solid var(--border); border-radius: 24px; padding: 28px; margin-top: 8px; }
.doc h1 { font-size: 30px; }
.doc h2 { font-size: 20px; margin-top: 28px; }
.doc .date { color: var(--faint); margin-top: 0; }
.doc .info { border: 0; padding: 0; background: none; }

footer { display: flex; flex-wrap: wrap; gap: 8px 20px; padding-top: 24px; padding-bottom: 40px; color: var(--faint); font-size: 14px; border-top: 1px solid var(--border); }

@media (max-width: 600px) {
  h1 { font-size: 30px; }
  .hero { padding: 28px 20px; border-radius: 22px; }
  .top nav { gap: 12px; font-size: 14px; }
  .doc { padding: 20px; }
}