:root {
  --bg: #f4efe8;
  --ink: #1c1917;
  --muted: #6f675f;
  --line: #e4d9cc;
  --card: #fffdf9;
  --accent: #7d3044;
  --accent-ink: #fff8f6;
  --ok: #1d6b45;
  --bad: #9b2332;
  --side: #211c1a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 7vw; position: sticky; top: 0; background: rgba(244,239,232,.92); backdrop-filter: blur(8px);
}
.brand { font-weight: 700; letter-spacing: .04em; text-decoration: none; }
.nav-actions { display: flex; gap: 10px; }
.btn, .ghost {
  border: 0; border-radius: 999px; padding: 10px 16px; text-decoration: none; display: inline-block;
}
.btn { background: var(--accent); color: var(--accent-ink); }
.ghost { background: transparent; border: 1px solid var(--line); }
.hero { padding: 54px 7vw 24px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; }
h1 { font-size: 46px; line-height: 1.15; margin: 0 0 12px; }
.lead { font-size: 18px; color: var(--muted); max-width: 38rem; }
.stage {
  background: var(--side); color: #f6f1ea; border-radius: 28px; min-height: 320px; padding: 22px;
  display: grid; grid-template-rows: auto 1fr auto; gap: 12px;
}
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.swatch { border-radius: 16px; min-height: 150px; display: flex; align-items: flex-end; padding: 12px; }
.model { background: linear-gradient(180deg, #f4d7c4, #c98b73); color: #3d241c; }
.cloth { background: linear-gradient(180deg, #f6e6d4, #c4a184); color: #3d241c; }
.section { padding: 10px 7vw 40px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 16px; }
.card h3 { margin: 0 0 8px; }
.muted { color: var(--muted); }
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
aside { background: var(--side); color: #f6f1ea; padding: 22px 14px; }
aside button { display: block; width: 100%; text-align: left; background: transparent; color: inherit; border: 0; border-radius: 10px; padding: 10px 12px; }
aside button[aria-current="page"] { background: #3a332f; }
main { padding: 28px; }
.choices { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.pick { text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 12px; }
.pick[aria-pressed="true"] { outline: 2px solid var(--accent); }
.results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.shot { height: 220px; border-radius: 14px; background: #efe4d8 center/cover no-repeat; display: flex; align-items: flex-end; padding: 10px; }
.tag { display: inline-block; border-radius: 999px; padding: 2px 8px; font-size: 12px; background: #f8ebe8; }
.tag.ok { background: #e7f4ec; color: var(--ok); }
.tag.bad { background: #fdecee; color: var(--bad); }
label { display: block; margin: 10px 0; }
input, textarea, select { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: white; }
.toast { background: var(--ink); color: white; border-radius: 12px; padding: 10px 12px; margin-bottom: 12px; }
.login-wrap { max-width: 420px; margin: 8vh auto; }
footer { padding: 24px 7vw 40px; color: var(--muted); }
@media (max-width: 900px) {
  .hero, .grid, .choices, .results, .shell { grid-template-columns: 1fr; }
  h1 { font-size: 34px; }
}