/* ═══ 天狼星EMC 管理后台 ═══ 全局样式 */

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

:root {
  --primary: #1a3a6b;
  --primary-light: #2a5298;
  --primary-gradient: linear-gradient(135deg, #1a3a6b 0%, #2a5298 100%);
  --bg: #f0f2f5;
  --card-bg: #ffffff;
  --text: #333;
  --text-light: #888;
  --border: #e8e8e8;
  --success: #52c41a;
  --success-bg: #f6ffed;
  --danger: #ff4d4f;
  --danger-bg: #fff2f0;
  --warning: #faad14;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* ═══ 登录页 ═══ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  background-image: linear-gradient(135deg, #0d2137 0%, #1a3a6b 50%, #2a5298 100%);
}

.login-card {
  background: #fff;
  border-radius: 16px;
  padding: 48px 40px;
  width: 380px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  text-align: center;
}

.login-logo .logo-icon { font-size: 48px; }
.login-logo h1 { font-size: 24px; color: var(--primary); margin: 8px 0 4px; }
.login-logo p { color: var(--text-light); font-size: 14px; }

.login-form { margin-top: 32px; }

.login-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  text-align: center;
  transition: border-color .2s;
}
.login-input:focus { outline: none; border-color: var(--primary-light); }

.login-btn {
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  background: var(--primary-gradient);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s;
}
.login-btn:hover { opacity: .9; }

.login-error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 16px;
  min-height: 18px;
}

/* ═══ 管理后台 ═══ */
.admin-page { min-height: 100vh; }

/* 顶部导航 */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--primary-gradient);
  color: #fff;
  padding: 0 24px;
  height: 56px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  position: sticky;
  top: 0;
  z-index: 100;
}
.topbar-logo { font-weight: 700; font-size: 16px; }
.topbar-sep { margin: 0 12px; opacity: .5; }
.topbar-title { font-size: 14px; opacity: .9; }

.btn-logout {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius);
  padding: 6px 16px;
  cursor: pointer;
  font-size: 13px;
  transition: background .2s;
}
.btn-logout:hover { background: rgba(255,255,255,0.25); }

/* 统计卡片 */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 20px 24px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
}

.stat-icon { font-size: 36px; }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1.2; }
.stat-label { font-size: 13px; color: var(--text-light); margin-top: 2px; }

.stat-total .stat-value { color: var(--primary); }
.stat-checkin .stat-value { color: var(--success); }
.stat-pending .stat-value { color: var(--warning); }
.stat-rate .stat-value { color: #722ed1; }

/* Tab 导航 */
.tabs {
  display: flex;
  gap: 4px;
  padding: 0 24px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  padding: 12px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-light);
  transition: all .2s;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

/* 内容区域 */
.content { padding: 20px 24px; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.panel-header h2 { font-size: 18px; color: var(--text); }
.panel-header h3 { font-size: 15px; }

.panel-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* 按钮 */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  transition: opacity .2s;
}
.btn:hover { opacity: .85; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-refresh { background: #e6f7ff; color: #1890ff; border: 1px solid #91d5ff; }
.btn-export { background: #f6ffed; color: var(--success); border: 1px solid #b7eb8f; }
.btn-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid #ffccc7; }

/* 搜索框 */
.search-input {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  width: 220px;
}
.search-input:focus { outline: none; border-color: var(--primary-light); }

/* 图表容器 */
.chart-container {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

/* 条形图 */
.bar-item {
  display: flex;
  align-items: center;
  margin-bottom: 14px;
  gap: 12px;
}
.bar-label {
  width: 180px;
  text-align: right;
  font-size: 13px;
  color: var(--text);
  flex-shrink: 0;
}
.bar-track {
  flex: 1;
  height: 24px;
  background: #f5f5f5;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}
.bar-fill {
  height: 100%;
  background: var(--primary-gradient);
  border-radius: 12px;
  transition: width .5s ease;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}
.bar-count {
  width: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}

/* 议题分类统计 */
.category-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.category-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
}
.category-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.category-card-header .icon { font-size: 20px; }
.category-card-header .name { font-weight: 600; font-size: 14px; }
.category-card-header .count {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
  padding: 2px 10px;
  border-radius: 10px;
  font-size: 12px;
}
.category-bar-track {
  height: 6px;
  background: #f5f5f5;
  border-radius: 3px;
  overflow: hidden;
}
.category-bar-fill {
  height: 100%;
  background: var(--primary-light);
  border-radius: 3px;
  transition: width .5s ease;
}
.category-percent { font-size: 12px; color: var(--text-light); margin-top: 4px; }

/* 议题排行 */
.section-subtitle { font-size: 15px; margin: 24px 0 12px; color: var(--text); }
.topic-ranking {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
}
.topic-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.topic-item:last-child { border-bottom: none; }
.topic-rank {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.topic-rank.r1 { background: #ff4d4f; }
.topic-rank.r2 { background: #fa8c16; }
.topic-rank.r3 { background: #faad14; }
.topic-rank.r4plus { background: #bfbfbf; }
.topic-title { flex: 1; font-size: 13px; }
.topic-category { font-size: 11px; color: var(--text-light); margin-top: 2px; }
.topic-count {
  font-weight: 700;
  color: var(--primary);
  font-size: 15px;
}
.topic-percent { font-size: 11px; color: var(--text-light); }

/* 数据表格 */
.table-wrap {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: auto;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 1200px;
}
.data-table th {
  background: #fafafa;
  padding: 12px 10px;
  text-align: left;
  font-weight: 600;
  color: var(--text);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
}
.data-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.data-table tr:hover { background: #f5f7fa; }
.data-table .col-id { color: var(--text-light); width: 50px; }
.data-table .col-name { font-weight: 600; }
.data-table .col-phone { font-family: monospace; }
.data-table .col-topics { color: var(--text-light); font-size: 12px; }

.badge-checkin {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}
.badge-checkin.yes { background: var(--success-bg); color: var(--success); }
.badge-checkin.no { background: #f5f5f5; color: var(--text-light); }

.btn-delete {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #ffccc7;
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 12px;
}
.btn-delete:hover { background: var(--danger); color: #fff; }

.empty-tip {
  text-align: center;
  padding: 40px;
  color: var(--text-light);
  font-size: 14px;
}

/* 签到管理 */
.checkin-summary {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}
.checkin-badge {
  padding: 8px 20px;
  border-radius: var(--radius);
  font-size: 14px;
}
.checkin-badge.checked { background: var(--success-bg); color: var(--success); }
.checkin-badge.pending { background: #fffbe6; color: var(--warning); }
.checkin-badge strong { font-size: 18px; margin-left: 4px; }

.checkin-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}
.checkin-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  border-left: 4px solid var(--border);
}
.checkin-card.checked { border-left-color: var(--success); }
.checkin-card.pending { border-left-color: var(--warning); }

.checkin-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.checkin-info { flex: 1; min-width: 0; }
.checkin-name { font-weight: 600; font-size: 14px; }
.checkin-meta { font-size: 12px; color: var(--text-light); margin-top: 2px; }
.checkin-time { font-size: 11px; color: var(--success); margin-top: 2px; }

.btn-manual-checkin {
  background: var(--success);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 6px 12px;
  cursor: pointer;
  font-size: 12px;
  white-space: nowrap;
}
.btn-manual-checkin:hover { opacity: .85; }
.btn-manual-checkin:disabled { background: #d9d9d9; cursor: not-allowed; }

/* Toast */
.toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  z-index: 9999;
  animation: fadeIn .3s;
}
@keyframes fadeIn { from { opacity: 0; transform: translate(-50%, -10px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* 响应式 */
@media (max-width: 768px) {
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .category-stats { grid-template-columns: 1fr; }
  .bar-label { width: 100px; font-size: 12px; }
  .topbar-title { display: none; }
  .tabs { overflow-x: auto; }
}

/* 系统设置 */
.settings-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow);
  max-width: 500px;
}
.settings-title { font-size: 16px; margin-bottom: 8px; }
.settings-hint { font-size: 13px; color: var(--text-light); margin-bottom: 20px; }
.settings-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: flex; align-items: center; gap: 12px; }
.form-label { width: 80px; font-size: 14px; color: var(--text); flex-shrink: 0; text-align: right; }
.form-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  transition: border-color .2s;
}
.form-input:focus { outline: none; border-color: var(--primary-light); }
.btn-save-password {
  background: var(--primary-gradient);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s;
  margin-left: 92px;
}
.btn-save-password:hover { opacity: .85; }