/* ============================================================
   主页液态玻璃专有样式 (index.css - Liquid Glass Redesign)
   ============================================================ */

/* 门禁卡片（Gate Panel） */
.gate-card {
  max-width: 440px;
  margin: 12vh auto 0;
  padding: 36px 32px 32px;
  text-align: center;
  position: relative;
  z-index: 10;
}

.gate-header {
  margin-bottom: 28px;
}

.gate-icon-bubble {
  width: 58px;
  height: 58px;
  line-height: 58px;
  font-size: 28px;
  margin: 0 auto 16px;
  border-radius: var(--r-pill);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(6, 182, 212, 0.14));
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.8), 0 8px 20px -6px var(--liquid-primary-glow);
}

.gate-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.gate-sub {
  font-size: 13.5px;
  color: var(--ink-3);
  margin-top: 6px;
}

.gate-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  text-align: left;
  margin-bottom: -6px;
}

.gate-enter {
  width: 100%;
  padding: 13px;
  font-size: 16px;
  margin-top: 6px;
}

.err {
  font-size: 13.5px;
  color: var(--danger);
  min-height: 20px;
  margin-top: 6px;
}

/* 顶部栏（Header） */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 18px;
}

.header-main {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-brand h1 {
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.header-sub {
  font-size: 13.5px;
  color: var(--ink-3);
  font-weight: 500;
  margin-top: 4px;
}

.badge {
  width: 52px;
  height: 52px;
  border-radius: var(--r-pill);
  object-fit: cover;
  border: 2px solid var(--glass-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* 提示横幅 */
.notice-banner {
  padding: 14px 20px;
  margin-bottom: 20px;
  font-size: 14px;
  border-radius: var(--r-md);
}

.notice-guest {
  background: var(--warn-soft);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--ink-2);
}

.notice-paused {
  background: var(--danger-soft);
  border-color: var(--danger-border);
  color: var(--danger);
}

/* 规则与折叠公告 */
.rules-container, .announce-container {
  margin-bottom: 20px;
}

/* 移动端 Tab 切换 */
.mobile-tabs {
  display: none;
  padding: 6px;
  margin-bottom: 18px;
  border-radius: var(--r-pill);
}

.tab-btn {
  flex: 1;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--ink-3);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all 0.25s ease;
}

.tab-btn.active {
  background: var(--liquid-primary);
  color: #ffffff;
  box-shadow: 0 4px 14px -2px var(--liquid-primary-glow);
}

/* 榜单双列布局与卡片（Rank Grid） */
.rank-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

.col {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
}

.col-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--glass-border-subtle);
  flex-wrap: wrap;
  gap: 8px;
}

.col-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.col-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.col-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  background: rgba(59, 130, 246, 0.12);
  color: var(--liquid-primary);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.col-badge-success {
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
  border-color: rgba(16, 185, 129, 0.25);
}

.col-hint {
  font-size: 12.5px;
  color: var(--ink-4);
}

/* 列表卡片集合 */
.list-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rank-card {
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--glass-surface-subtle);
  border: 1px solid var(--glass-border-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.rank-card:hover {
  background: var(--glass-surface);
  border-color: var(--glass-border);
  box-shadow: 0 8px 24px -6px rgba(15, 23, 42, 0.08);
  transform: translateY(-2px);
}

.rank-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.song-main h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 4px;
}

.song-main p {
  font-size: 13px;
  color: var(--ink-3);
}

.song-votes {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.18);
  flex-shrink: 0;
}

.rank-votes {
  font-size: 17px;
  font-weight: 800;
  color: var(--liquid-primary);
  font-variant-numeric: tabular-nums;
}

/* 操作按钮组 */
.song-acts {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.btn-upvote {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-upvote:active {
  transform: scale(0.95);
}

.act-primary {
  background: linear-gradient(135deg, var(--liquid-primary) 0%, var(--liquid-primary-strong) 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px -2px var(--liquid-primary-glow);
}

.act-primary:hover {
  box-shadow: 0 6px 18px -2px var(--liquid-primary-glow);
  transform: translateY(-1px);
}

.act-secondary {
  background: var(--glass-surface-subtle);
  color: var(--ink-2);
  border-color: var(--glass-border-subtle);
}

.act-secondary:hover {
  color: var(--liquid-primary);
  border-color: var(--liquid-primary);
}

.act-quiet {
  background: transparent;
  color: var(--ink-4);
}

.act-quiet:hover {
  color: var(--danger);
}

/* 试听折叠面板 */
[id^="audition-"] {
  transition: all 0.3s ease;
}

/* 页脚 */
.app-footer {
  text-align: center;
  padding: 32px 24px;
  margin-top: 36px;
  border-radius: var(--r-lg);
}

.footer-logo {
  width: 68px;
  height: 68px;
  border-radius: var(--r-pill);
  margin-bottom: 12px;
  opacity: 0.9;
}

.footer-copy {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-3);
}

.beian-footer {
  max-width: 580px;
  margin: 30px auto 0;
  text-align: center;
  font-size: 12px;
  line-height: 2;
  color: var(--ink-4);
}

.beian-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.beian-links a {
  color: var(--ink-4);
  text-decoration: none;
  transition: color 0.2s;
}

.beian-links a:hover {
  color: var(--liquid-primary);
}

/* 移动端与平板自适应 */
@media (max-width: 900px) {
  .rank-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .mobile-tabs {
    display: flex;
  }

  .col {
    display: none;
  }

  .col.active {
    display: flex;
  }
}

@media (max-width: 640px) {
  .gate-card {
    margin-top: 6vh;
    padding: 28px 20px;
  }

  .app-header {
    padding: 18px 16px;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions a, .header-actions button {
    flex: 1;
    text-align: center;
  }
}