:root {
  --bg: #0a0a0a;
  --panel: rgba(255, 255, 255, 0.04);
  --elevated: #161616;
  --border: rgba(68, 64, 60, 0.45);
  --text: #f5f5f5;
  --muted: rgba(245, 245, 245, 0.5);
  --amber: #d9a75a;
  --amber-soft: rgba(217, 167, 90, 0.12);
  --danger: #d9684a;
  --ok: #8aab5e;
  --radius: 12px;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #f4efe4;
  --panel: #fffdf8;
  --elevated: #ffffff;
  --border: rgba(68, 64, 60, 0.22);
  --text: #1c1810;
  --muted: rgba(28, 24, 16, 0.55);
  --amber: #b8893e;
  --amber-soft: rgba(184, 137, 62, 0.12);
  color-scheme: light;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Noto Sans SC", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.45;
}

.wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 16px 48px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
}
.brand { font-weight: 600; color: var(--amber); font-size: 15px; letter-spacing: 0.2px; }
.brand small { display: block; color: var(--muted); font-size: 11px; font-weight: 400; margin-top: 2px; }
.header-actions { display: flex; gap: 6px; align-items: center; }

.seg, .chip-row, .star-row { display: flex; flex-wrap: wrap; gap: 8px; }
.seg button, .chip, .lang-btn, .icon-btn {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 12px;
  min-height: 44px;
  transition: border-color .15s, color .15s, background .15s;
}
.seg button.on, .chip.on, .lang-btn.on {
  border-color: var(--amber);
  color: var(--amber);
  background: var(--amber-soft);
}
.icon-btn { min-width: 44px; border-radius: 10px; color: var(--text); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}
.card-focus {
  border-color: rgba(217, 167, 90, 0.45);
  box-shadow: inset 0 0 0 1px rgba(217, 167, 90, 0.12);
}
html[data-theme="light"] .card-focus {
  border-color: rgba(184, 137, 62, 0.4);
}

.label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }
.title { font-size: 20px; font-weight: 600; margin-bottom: 6px; }
.sub { color: var(--muted); font-size: 13px; margin-bottom: 16px; }

input[type="text"], input[type="email"], textarea, select {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  min-height: 44px;
}
textarea { min-height: 88px; resize: vertical; }
input:focus, textarea:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.stars {
  display: flex;
  gap: 4px;
  margin: 4px 0 6px;
}
.stars input { position: absolute; opacity: 0; pointer-events: none; }
.stars label {
  font-size: 28px;
  line-height: 1;
  min-width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--border);
}
.stars label.on, .stars label:hover { color: var(--amber); }
.scale { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); }

.btn {
  width: 100%;
  border: none;
  border-radius: 10px;
  min-height: 48px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  background: var(--amber);
  color: #0a0a0a;
  margin-top: 8px;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.error { color: var(--danger); font-size: 13px; margin-top: 8px; }
.ok { color: var(--ok); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.hidden { display: none !important; }
.thanks { text-align: center; padding: 48px 12px; }
.thanks .check { font-size: 40px; color: var(--ok); margin-bottom: 12px; }
.live { font-size: 12px; color: var(--muted); min-height: 1.2em; margin-top: 6px; }

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.stat {
  background: var(--elevated);
  border-radius: 10px;
  padding: 12px;
}
.stat .n { font-size: 22px; font-weight: 600; color: var(--amber); }
.stat .k { font-size: 11px; color: var(--muted); }
.list { list-style: none; }
.list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.list li:last-child { border-bottom: none; }
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}