/* 三人拼团：会员页入口卡片 + 拼团详情页
   全部用站点已有的 CSS 变量，深浅色主题自动跟随。 */

/* 平台兜底成团的说明：与成功提示同框，但独立一行、弱化字号，
   既不喧宾夺主，也让用户一眼知道这是平台兜底而不是真有三个人。 */
.gb-guarantee {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.gb-section { padding-top: 30px; }

.gb-card {
  padding: 30px 32px;
  display: grid;
  grid-template-columns: 1fr 210px;
  gap: 32px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 19px;
  background: var(--bg-tint);
}
.gb-copy h2 { margin: 7px 0 10px; font-size: clamp(1.45rem, 2.5vw, 1.95rem); line-height: 1.25; letter-spacing: -.03em; }
.gb-copy p { margin: 0; max-width: 580px; color: var(--text-2); font-size: .9375rem; line-height: 1.75; }
.gb-steps { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 10px; }
.gb-steps span { padding: 7px 13px; display: inline-flex; align-items: center; gap: 7px; border-radius: 99px; background: var(--surface); border: 1px solid var(--line); color: var(--text-2); font-size: .8438rem; }
.gb-steps b { color: var(--primary); font-weight: 850; }
.gb-price { text-align: center; }
.gb-price strong { display: block; font-size: 2.75rem; letter-spacing: -.05em; color: var(--primary); }
.gb-price > span { display: block; margin-bottom: 14px; color: var(--muted); font-size: .8125rem; }
.gb-price small { display: block; margin-top: 10px; color: var(--muted); font-size: .75rem; line-height: 1.6; }

/* ---------- 我的拼团 ---------- */
.gb-mine { padding-top: 26px; }
.gb-mine-list { display: grid; gap: 12px; }
.gb-mine-item {
  display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: center;
  padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface);
}
.gb-mine-item h3 { margin: 0 0 6px; font-size: 1rem; }
.gb-mine-item p { margin: 0; color: var(--text-2); font-size: .8438rem; }
.gb-mine-meta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 8px; }
.gb-empty { padding: 26px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: 14px; font-size: .9rem; }

/* ---------- 拼团详情页 ---------- */
.gb-page { padding: 26px 0 60px; }
.gb-hero {
  border: 1px solid var(--line); border-radius: 22px; background: var(--bg-tint);
  padding: 30px 32px 34px;
}
.gb-hero-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; flex-wrap: wrap; }
.gb-hero h1 { margin: 6px 0 8px; font-size: clamp(1.5rem, 2.8vw, 2.1rem); letter-spacing: -.03em; }
.gb-hero p.sub { margin: 0; color: var(--text-2); font-size: .9375rem; line-height: 1.7; max-width: 620px; }
.gb-status-chip {
  padding: 9px 16px; border-radius: 999px; font-size: .875rem; font-weight: 700; white-space: nowrap;
  background: var(--surface); border: 1px solid var(--line); color: var(--text-2);
}
.gb-status-chip.is-forming { background: #eef7f1; border-color: #bfe0cc; color: #1c6b45; }
.gb-status-chip.is-success { background: #e8f2ff; border-color: #bcd8ff; color: #14539c; }
.gb-status-chip.is-closed { background: #f6f1f1; border-color: #e4d3d3; color: #9a4040; }
html[data-theme="dark"] .gb-status-chip.is-forming { background: #16281e; border-color: #2c5240; color: #7fd1a3; }
html[data-theme="dark"] .gb-status-chip.is-success { background: #16233a; border-color: #2b4a78; color: #8ab8ff; }
html[data-theme="dark"] .gb-status-chip.is-closed { background: #2a1c1c; border-color: #5a3a3a; color: #e79b9b; }

.gb-countdown {
  margin-top: 22px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  padding: 14px 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line);
}
.gb-countdown b { font-size: 1.65rem; letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.gb-countdown span { color: var(--muted); font-size: .8438rem; }

.gb-progress-bar { margin-top: 18px; height: 10px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); overflow: hidden; }
.gb-progress-fill { height: 100%; width: 0; background: linear-gradient(90deg, #35a86b, #2a8f5a); transition: width .45s ease; }

.gb-seats { margin-top: 22px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gb-seat {
  border: 1px solid var(--line); border-radius: 16px; background: var(--surface);
  padding: 18px 14px; text-align: center; min-height: 152px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
}
.gb-seat.empty { border-style: dashed; color: var(--muted); }
.gb-seat.is-me { border-color: #7ec49b; box-shadow: 0 0 0 3px rgba(53, 168, 107, .12); }
.gb-avatar {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  background: var(--bg-tint); border: 1px solid var(--line); font-size: 1.35rem; font-weight: 800; color: var(--primary);
}
.gb-seat strong { font-size: .9375rem; font-weight: 700; }
.gb-seat small { color: var(--muted); font-size: .7813rem; }
.gb-seat .tag { font-size: .7188rem; padding: 2px 8px; border-radius: 999px; background: var(--bg-tint); border: 1px solid var(--line); color: var(--text-2); }
.gb-seat .tag.leader { background: #fff4e0; border-color: #f0d6a4; color: #8a5a10; }
html[data-theme="dark"] .gb-seat .tag.leader { background: #2e2415; border-color: #5c4620; color: #e0b871; }

.gb-actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.gb-actions button { min-width: 150px; }
.gb-hint { margin: 14px 0 0; color: var(--muted); font-size: .8125rem; line-height: 1.7; }
.gb-hint.is-error { color: var(--danger, #b44343); }

.gb-result {
  margin-top: 22px; padding: 18px 20px; border-radius: 16px;
  border: 1px solid var(--line); background: var(--surface); font-size: .9rem; line-height: 1.8;
}
.gb-result.ok { border-color: #bfe0cc; background: #f0f8f3; }
.gb-result.warn { border-color: #e8d8b8; background: #fdf8ec; }
html[data-theme="dark"] .gb-result.ok { background: #16281e; border-color: #2c5240; }
html[data-theme="dark"] .gb-result.warn { background: #262117; border-color: #57492a; }

.gb-rules { margin-top: 22px; }
.gb-rules ul { margin: 10px 0 0; padding-left: 20px; color: var(--text-2); font-size: .875rem; line-height: 1.9; }
.gb-rules code { background: var(--bg-tint); padding: 1px 6px; border-radius: 6px; font-size: .8125rem; }

.gb-share-link {
  display: flex; gap: 8px; align-items: center; margin-top: 12px; flex-wrap: wrap;
}
.gb-share-link input {
  flex: 1 1 260px; min-width: 0; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface); color: var(--text-2); font-size: .8125rem;
}

@media (max-width: 720px) {
  .gb-card { grid-template-columns: 1fr; padding: 24px 20px; }
  .gb-seats { grid-template-columns: 1fr; }
  .gb-seat { min-height: 0; padding: 14px; flex-direction: row; justify-content: flex-start; text-align: left; }
  .gb-avatar { width: 42px; height: 42px; font-size: 1.1rem; }
  .gb-actions button { width: 100%; }
  .gb-hero { padding: 22px 18px 26px; }
}