:root {
  --bg: #f6f9fc;
  --card: #ffffff;
  --line: #e6ecf2;
  --text: #1c2b3a;
  --muted: #64748b;
  --radius: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(900px 480px at 15% -8%, rgba(7, 193, 96, 0.10), transparent 65%),
    radial-gradient(900px 480px at 88% -8%, rgba(18, 183, 245, 0.12), transparent 65%),
    var(--bg);
  background-attachment: fixed;
}

/* ---- 头部 ---- */
.hero { text-align: center; padding: 56px 16px 24px; }
.hero-tag {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 2px;
  margin: 0 0 10px;
}
.hero h1 { margin: 0; font-size: 42px; letter-spacing: 1px; }
.accent {
  background: linear-gradient(90deg, #07c160, #12b7f5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub { color: var(--muted); margin: 14px 0 0; font-size: 14px; }

/* ---- 卡片网格 ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 320px));
  justify-content: center;
  gap: 20px;
  padding: 12px 20px 44px;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 10px 30px rgba(16, 24, 40, 0.06);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ---- 标签 ---- */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
  color: var(--muted);
  border: 1px solid color-mix(in srgb, var(--ch) 28%, #ffffff);
  background: color-mix(in srgb, var(--ch) 6%, #ffffff);
}
.tag b { font-weight: 700; color: color-mix(in srgb, var(--ch) 70%, #1c2b3a); }

/* ---- 二维码 ---- */
.qr-box {
  padding: 10px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  aspect-ratio: 1;
  width: 100%;
  cursor: zoom-in;
  display: block;
  overflow: hidden;
}
.qr-box img, .qr-box canvas { width: 100%; height: auto; display: block; }
.qr-box:active { transform: scale(0.99); }

.qr-missing {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 16px;
  color: #94a3b8;
  font-size: 13px;
  white-space: pre-line;
  text-align: center;
  background: repeating-linear-gradient(45deg, #fafbfc, #fafbfc 12px, #f1f5f9 12px, #f1f5f9 24px);
}

/* ---- 链接展示(完整换行)与操作 ---- */
.link-text {
  display: block;
  margin: 0;
  color: color-mix(in srgb, var(--ch) 62%, #1e293b);
  font-size: 12.5px;
  line-height: 1.7;
  word-break: break-all;
  text-decoration: none;
}
.link-text:hover { text-decoration: underline; }

.link-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.copy-btn {
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--ch) 45%, #ffffff);
  background: color-mix(in srgb, var(--ch) 7%, #ffffff);
  color: color-mix(in srgb, var(--ch) 70%, #1e293b);
}
.copy-btn:hover { background: color-mix(in srgb, var(--ch) 14%, #ffffff); }
.copy-btn.copied { color: #0e9f5d; border-color: #0e9f5d; background: #eafaf1; }

.gen-btn {
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid var(--ch);
  background: var(--ch);
  color: #fff;
}
.gen-btn:hover { filter: brightness(1.06); }

.note { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.hint {
  margin: 0;
  font-size: 12px;
  color: color-mix(in srgb, var(--ch) 60%, #64748b);
  text-align: center;
}

/* ---- 放大弹层 ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(15, 23, 32, 0.55);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-body {
  margin: 0;
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  width: 100%;
  max-width: min(86vmin, 440px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(2, 8, 20, 0.35);
}
#modal-qr {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}
#modal-qr img, #modal-qr canvas { width: 100%; height: auto; display: block; }
#modal-title { font-size: 17px; color: var(--text); font-weight: 700; }
#modal-note { color: var(--muted); font-size: 13px; line-height: 1.6; margin: 0; }
.modal-body .link-text { text-align: left; }
.modal-hint { color: #94a3b8; font-size: 12px; margin: 0; }

/* ---- 其他 ---- */
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

.footer {
  margin-top: auto;
  padding: 18px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.hidden { display: none !important; }