:root {
  --bg: #faf8f5;
  --card: #ffffff;
  --ink: #1a1a1a;
  --ink2: #6b6b6b;
  --accent: #c45c3e;
  --accent2: #6f9b8a;
  --line: #e8e4de;
  --soft: #f5f2ed;
  --radius: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 16px;
}

.wrap {
  width: 100%;
  max-width: 520px;
  padding: 32px 0 60px;
  flex: 1;
}

header {
  text-align: center;
  margin-bottom: 28px;
}
.brand {
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--ink2);
  text-transform: uppercase;
}
h1 {
  font-size: 26px;
  font-weight: 700;
  margin: 6px 0 4px;
}
.sub {
  font-size: 14px;
  color: var(--ink2);
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

label {
  display: block;
  font-size: 13px;
  color: var(--ink2);
  margin-bottom: 6px;
  font-weight: 500;
}
input, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  background: var(--soft);
  color: var(--ink);
  outline: none;
  transition: border 0.2s;
  font-family: inherit;
}
input:focus, textarea:focus { border-color: var(--accent); background: #fff; }
textarea { resize: vertical; min-height: 64px; }
.field { margin-bottom: 16px; }

.rec-area {
  text-align: center;
  padding: 24px 16px;
  background: var(--soft);
  border-radius: 12px;
}
.rec-canvas {
  width: 100%;
  height: 72px;
  display: block;
  margin-bottom: 16px;
}
.rec-timer {
  font-size: 28px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  margin-bottom: 4px;
}
.rec-hint { font-size: 12px; color: var(--ink2); margin-bottom: 16px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #a84d32; }
.btn-primary:disabled { background: #ccc; cursor: not-allowed; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--soft); }
.btn-block { width: 100%; }

.preview-area {
  margin-top: 16px;
  text-align: center;
}
.preview-area .player-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-top: 8px;
}
.play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.player-time { font-size: 13px; color: var(--ink2); font-variant-numeric: tabular-nums; }

.result-area { text-align: center; }
.qr-box {
  display: inline-block;
  padding: 16px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--line);
}
.qr-box canvas, .qr-box img { display: block; }
.result-hint { font-size: 13px; color: var(--ink2); margin-top: 12px; }
.result-url {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--accent);
  word-break: break-all;
  font-family: monospace;
}

/* 名片页 */
.card-page {
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 0 60px;
}
.card-hero {
  text-align: center;
  padding: 32px 24px;
  background: linear-gradient(135deg, #fef6f2 0%, #f5f2ed 100%);
  border-radius: 20px;
  margin-bottom: 20px;
}
.card-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}
.card-name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}
.card-title {
  font-size: 15px;
  color: var(--accent);
  font-weight: 500;
}
.card-bio {
  font-size: 14px;
  color: var(--ink2);
  margin-top: 12px;
  line-height: 1.7;
}
.player-section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
}
.player-section .player-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}
.card-meta {
  font-size: 12px;
  color: var(--ink2);
  text-align: center;
}
.card-qr-section {
  text-align: center;
  padding: 20px;
  background: var(--soft);
  border-radius: 16px;
}
.card-qr-section .qr-box { background: #fff; }

footer {
  text-align: center;
  padding: 20px 0 40px;
  font-size: 12px;
  color: var(--ink2);
}
footer a {
  color: var(--ink2);
  text-decoration: none;
  margin: 0 8px;
}
footer a:hover { color: var(--accent); }

.loading {
  text-align: center;
  padding: 40px;
  color: var(--ink2);
}