/* ============================================
   蝶变学员积分系统 - 样式表
   ============================================ */

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

:root {
  --primary: #8FC31F;
  --primary-light: #A8D44E;
  --primary-dark: #689011;
  --primary-bg: #F0F8E8;
  --gold: #f59e0b;
  --silver: #94a3b8;
  --bronze: #d97706;
  --success: #8FC31F;
  --danger: #ef4444;
  --warning: #f59e0b;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============ Header ============ */
.app-header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: white;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.header-content {
  max-width: 640px;
  margin: 0 auto;
  padding: 12px 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin-bottom: 8px;
}

.logo-icon {
  font-size: 24px;
}

.logo-icon-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 4px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
}

.nav-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-tab {
  flex: 1;
  min-width: 64px;
  padding: 8px 12px;
  border: none;
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.8);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.nav-tab.active {
  background: white;
  color: var(--primary);
}

.nav-tab:active {
  transform: scale(0.95);
}

/* ============ Loading ============ */
.loading-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-screen p {
  color: var(--gray-500);
  font-size: 14px;
}

/* ============ Main ============ */
.app-main {
  flex: 1;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
  padding: 16px;
}

.view-section {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ Tab Switcher ============ */
.tab-switcher {
  display: flex;
  background: white;
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.switch-btn {
  flex: 1;
  padding: 10px;
  border: none;
  background: transparent;
  color: var(--gray-500);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.switch-btn.active {
  background: var(--primary);
  color: white;
}

/* ============ Phase Filter ============ */
.phase-filter {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
}

.phase-btn {
  padding: 6px 14px;
  border: 1.5px solid var(--gray-200);
  background: white;
  color: var(--gray-600);
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.phase-btn.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

/* ============ Podium ============ */
.podium {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 20px 0 0;
}

.podium-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  max-width: 110px;
}

.podium-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: white;
  box-shadow: var(--shadow-md);
}

.podium-1 .podium-avatar {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  font-size: 28px;
}

.podium-2 .podium-avatar {
  background: linear-gradient(135deg, #cbd5e1, #94a3b8);
}

.podium-3 .podium-avatar {
  background: linear-gradient(135deg, #fb923c, #d97706);
}

.podium-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.podium-score {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.podium-1 .podium-score {
  font-size: 22px;
  color: var(--gold);
}

.podium-rank {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  color: white;
  margin-top: 2px;
}

.podium-1 .podium-rank { background: var(--gold); }
.podium-2 .podium-rank { background: var(--silver); }
.podium-3 .podium-rank { background: var(--bronze); }

/* ============ Rank List ============ */
.rank-list {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.rank-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
  transition: background 0.15s;
}

.rank-item:last-child {
  border-bottom: none;
}

.rank-item:active {
  background: var(--gray-50);
}

.rank-num {
  width: 28px;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-400);
  flex-shrink: 0;
}

.rank-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  color: white;
  margin: 0 12px;
  flex-shrink: 0;
}

.rank-info {
  flex: 1;
  min-width: 0;
}

.rank-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 6px;
}

.rank-team {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 2px;
}

.rank-score {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}

.score-unit {
  font-size: 12px;
  font-weight: 400;
  color: var(--gray-400);
  margin-left: 2px;
}

.leader-badge {
  display: inline-block;
  padding: 1px 6px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
}

/* ============ Team Ranking ============ */
.team-rank-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.team-rank-card {
  background: white;
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--gray-300);
  transition: transform 0.2s, box-shadow 0.2s;
}

.team-rank-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.team-rank-1 {
  border: 2px solid var(--gold);
  border-left: 4px solid var(--gold);
  background: linear-gradient(135deg, #fffbeb 0%, white 60%);
}

.team-rank-2 {
  border-left: 4px solid var(--silver);
}

.team-rank-3 {
  border-left: 4px solid var(--bronze);
}

.team-rank-4 {
  border-left: 4px solid var(--primary);
}

.team-rank-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.team-rank-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-600);
  flex-shrink: 0;
}

.team-rank-1 .team-rank-num {
  background: var(--gold);
  color: white;
}

.team-rank-info {
  flex: 1;
}

.team-rank-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
}

.team-rank-leader {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 2px;
}

.team-rank-score {
  text-align: right;
}

.big-score {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.team-rank-1 .big-score {
  color: var(--gold);
}

.score-label {
  font-size: 11px;
  color: var(--gray-400);
}

.team-rank-breakdown {
  display: flex;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-100);
}

.breakdown-item {
  flex: 1;
  text-align: center;
}

.breakdown-label {
  display: block;
  font-size: 11px;
  color: var(--gray-400);
  margin-bottom: 2px;
}

.breakdown-value {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-700);
}

/* ============ Search & Detail ============ */
.search-box {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.search-input {
  flex: 1;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--primary);
}

.search-btn {
  padding: 12px 20px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.search-btn:active {
  background: var(--primary-dark);
}

.student-detail-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.detail-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.detail-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 6px;
}

.detail-meta {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

.detail-rank {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-top: 4px;
}

.score-breakdown {
  padding: 16px;
}

.score-breakdown h3, .score-records h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 12px;
}

.breakdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.breakdown-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--gray-50);
  border-radius: 8px;
}

.breakdown-card-icon {
  font-size: 24px;
}

.breakdown-card-label {
  font-size: 12px;
  color: var(--gray-500);
}

.breakdown-card-score {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
}

/* 小组排名赋分卡片（在积分明细中） */
.breakdown-card-bonus {
  background: linear-gradient(135deg, #F0F8E8, #E0F0D0);
  border: 1px solid var(--primary-light);
  grid-column: span 2;
}

.breakdown-card-bonus .breakdown-card-info {
  flex: 1;
}

.breakdown-card-detail {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px dashed var(--gray-300);
}

.bonus-detail-line {
  font-size: 11px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* 旧的小组排名赋分独立区块样式（保留兼容但不再使用） */
.score-team-bonus {
  padding: 16px;
  border-top: 1px solid var(--gray-100);
}

.score-team-bonus h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 12px;
}

.team-bonus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.team-bonus-card {
  padding: 14px;
  background: var(--gray-50);
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  text-align: center;
}

.team-bonus-card.team-bonus-active {
  background: linear-gradient(135deg, #F0F8E8, #E0F0D0);
  border-color: var(--primary-light);
}

.team-bonus-phase {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 8px;
}

.team-bonus-rank {
  margin-bottom: 10px;
}

.rank-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}

.rank-badge.rank-1 { background: var(--gold); }
.rank-badge.rank-2 { background: var(--silver); }
.rank-badge.rank-3 { background: var(--bronze); }
.rank-badge.rank-4 { background: var(--gray-500); }

.rank-none {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-400);
  background: var(--gray-100);
}

.team-bonus-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  font-size: 12px;
}

.team-bonus-label {
  color: var(--gray-500);
}

.team-bonus-value {
  font-weight: 600;
  color: var(--gray-700);
}

.bonus-value {
  color: var(--primary);
  font-weight: 700;
}

.team-bonus-total {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--gray-200);
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-800);
}

.score-records {
  padding: 0 16px 16px;
}

.record-item {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}

.record-item:last-child {
  border-bottom: none;
}

.record-left {
  flex: 1;
  min-width: 0;
}

.record-type {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.record-desc {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 2px;
}

.record-meta {
  display: flex;
  gap: 8px;
  font-size: 11px;
  color: var(--gray-400);
  margin-top: 2px;
}

.record-score {
  font-size: 16px;
  font-weight: 700;
  color: var(--success);
  flex-shrink: 0;
  margin-left: 12px;
}

/* ============ Submit ============ */
.submit-card {
  background: white;
  border-radius: var(--radius);
  padding: 20px 16px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.submit-card h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.submit-tip {
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
  background: white;
  color: var(--gray-800);
}

.form-input:focus {
  border-color: var(--primary);
}

textarea.form-input {
  resize: vertical;
}

.score-preview {
  background: var(--primary-bg);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 14px;
}

.preview-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.submit-btn {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.submit-btn:active {
  transform: scale(0.98);
}

.submit-btn:disabled {
  background: var(--gray-300);
  cursor: not-allowed;
}

.submit-history {
  background: white;
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.submit-history h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 12px;
}

.history-item {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}

.history-item:last-child {
  border-bottom: none;
}

.history-info {
  flex: 1;
}

.history-type {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.history-desc {
  font-size: 12px;
  color: var(--gray-400);
}

.history-right {
  text-align: right;
}

.history-score {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-600);
}

.history-status {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 2px;
}

.status-approved {
  background: #d1fae5;
  color: var(--success);
}

.status-pending {
  background: #fef3c7;
  color: var(--warning);
}

.status-rejected {
  background: #fee2e2;
  color: var(--danger);
}

/* ============ Admin ============ */
.admin-login {
  background: white;
  border-radius: var(--radius);
  padding: 24px 16px;
  box-shadow: var(--shadow);
}

.admin-login h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 20px;
  text-align: center;
}

.admin-panel {
  background: white;
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.admin-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  background: var(--gray-100);
  border-radius: 8px;
  padding: 4px;
}

.admin-tab {
  flex: 1;
  padding: 8px;
  border: none;
  background: transparent;
  color: var(--gray-500);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.admin-tab.active {
  background: white;
  color: var(--primary);
  box-shadow: var(--shadow);
}

.badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.review-card {
  background: var(--gray-50);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 8px;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.review-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
}

.review-type {
  font-size: 13px;
  color: var(--gray-500);
  flex: 1;
}

.review-score {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
}

.review-desc {
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 4px;
}

.review-meta {
  display: flex;
  gap: 8px;
  font-size: 11px;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.review-actions {
  display: flex;
  gap: 8px;
}

.approve-btn, .reject-btn {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.approve-btn {
  background: var(--success);
  color: white;
}

.reject-btn {
  background: white;
  color: var(--danger);
  border: 1.5px solid var(--danger);
}

.record-admin-item {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}

.record-admin-left {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

.record-admin-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.record-admin-type {
  font-size: 12px;
  color: var(--gray-500);
}

.record-admin-desc {
  font-size: 12px;
  color: var(--gray-400);
}

.record-admin-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.record-admin-score {
  font-size: 15px;
  font-weight: 700;
  color: var(--success);
}

.delete-btn {
  padding: 4px 10px;
  background: white;
  color: var(--danger);
  border: 1px solid var(--danger);
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
}

.edit-btn {
  padding: 4px 10px;
  background: white;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  margin-right: 4px;
}

.edit-record-panel {
  background: var(--gray-50);
  border: 1px solid var(--primary);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}

.edit-record-panel h3 {
  margin-bottom: 12px;
  color: var(--primary);
  font-size: 16px;
}

.edit-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.edit-actions .submit-btn {
  flex: 1;
}

.edit-actions .clear-btn {
  flex: 0 0 auto;
  padding: 10px 20px;
}

.logout-btn {
  width: 100%;
  padding: 10px;
  background: white;
  color: var(--gray-500);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  margin-top: 16px;
}

/* ============ Team Members ============ */
.team-members {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-100);
}

.team-members-title {
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.team-members-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.team-member-tag {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 4px 10px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  font-size: 13px;
  color: var(--gray-600);
}

.team-member-tag.leader {
  background: var(--primary-bg);
  border-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.leader-dot {
  color: var(--gold);
  font-size: 12px;
}

/* ============ Batch Import ============ */
.batch-guide {
  background: var(--gray-50);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

.batch-guide code {
  display: block;
  background: white;
  padding: 8px 10px;
  border-radius: 6px;
  margin-top: 6px;
  font-size: 12px;
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
  white-space: pre-wrap;
}

.batch-textarea {
  width: 100%;
  min-height: 160px;
  padding: 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-size: 14px;
  font-family: monospace;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

.batch-textarea:focus {
  border-color: var(--primary);
}

.batch-preview {
  margin-top: 14px;
}

.batch-preview-item {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background: var(--gray-50);
  border-radius: 6px;
  margin-bottom: 4px;
  font-size: 13px;
}

.batch-preview-name {
  font-weight: 600;
  color: var(--gray-700);
  min-width: 70px;
}

.batch-preview-type {
  color: var(--gray-500);
  flex: 1;
  margin: 0 8px;
}

.batch-preview-score {
  font-weight: 700;
  color: var(--success);
}

.batch-error-list {
  margin-top: 12px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 10px 14px;
}

.batch-error-line {
  font-size: 13px;
  color: var(--danger);
  margin-bottom: 4px;
}

.batch-error-line:last-child {
  margin-bottom: 0;
}

/* ============ Excel Upload ============ */
.batch-upload-area {
  border: 2px dashed var(--gray-300);
  border-radius: 12px;
  padding: 32px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--gray-50);
}

.batch-upload-area:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.upload-icon {
  font-size: 40px;
  margin-bottom: 8px;
}

.upload-text {
  font-size: 15px;
  color: var(--gray-600);
  font-weight: 500;
  word-break: break-all;
}

.upload-hint {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 6px;
}

.batch-actions-row {
  margin-bottom: 14px;
}

.template-btn {
  padding: 8px 16px;
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.template-btn:hover {
  background: var(--primary-bg);
  color: var(--primary);
  border-color: var(--primary-light);
}

.clear-btn {
  padding: 10px 16px;
  background: var(--gray-100);
  color: var(--gray-500);
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.clear-btn:hover {
  background: var(--gray-200);
}

.bp-name {
  font-weight: 600;
  color: var(--gray-700);
  min-width: 70px;
}

.bp-type {
  color: var(--gray-500);
  flex: 1;
  margin: 0 8px;
}

.bp-score {
  font-weight: 700;
  color: var(--success);
  margin-right: 8px;
}

.bp-phase {
  font-size: 12px;
  color: var(--gray-400);
}

/* ============ Common ============ */
.empty-state {
  padding: 40px 20px;
  text-align: center;
  color: var(--gray-400);
}

.empty-mini {
  padding: 20px;
  text-align: center;
  color: var(--gray-400);
  font-size: 14px;
}

.error-msg {
  background: #fee2e2;
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-top: 12px;
}

.app-footer {
  text-align: center;
  padding: 16px;
  font-size: 12px;
  color: var(--gray-400);
}

/* ============ Responsive ============ */
@media (min-width: 641px) {
  .app-header .header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .logo {
    margin-bottom: 0;
  }

  .nav-tabs {
    margin-bottom: 0;
  }
}

/* ============ Avatar Colors ============ */
.avatar-color-0 { background: linear-gradient(135deg, #667eea, #764ba2); }
.avatar-color-1 { background: linear-gradient(135deg, #f093fb, #f5576c); }
.avatar-color-2 { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.avatar-color-3 { background: linear-gradient(135deg, #43e97b, #38f9d7); }
.avatar-color-4 { background: linear-gradient(135deg, #fa709a, #fee140); }
.avatar-color-5 { background: linear-gradient(135deg, #30cfd0, #330867); }
.avatar-color-6 { background: linear-gradient(135deg, #a8edea, #fed6e3); }
.avatar-color-7 { background: linear-gradient(135deg, #ff9a9e, #fecfef); }
.avatar-color-8 { background: linear-gradient(135deg, #ffecd2, #fcb69f); }
.avatar-color-9 { background: linear-gradient(135deg, #84fab0, #8fd3f4); }

/* ============ 人员管理 & 小组管理 ============ */
.student-group-section {
  margin-bottom: 16px;
}

.student-group-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  padding: 8px 12px;
  background: var(--primary-bg);
  border-radius: 8px;
  margin-bottom: 8px;
}

.leader-star {
  color: var(--gold);
  margin-left: 2px;
}

.team-manage-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 12px;
}

.team-manage-info {
  position: relative;
}

.team-manage-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.team-manage-nickname {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 2px;
}

.team-manage-leader {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.team-manage-info .edit-btn {
  margin-top: 4px;
}

/* ============ 响应式优化 ============ */

/* 可点击的姓名样式 */
.podium-name.clickable {
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.4);
  text-underline-offset: 2px;
}

.podium-name.clickable:hover {
  text-decoration-color: rgba(255,255,255,0.8);
}

.team-rank-name.clickable {
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: var(--gray-300);
  text-underline-offset: 2px;
}

.team-rank-name.clickable:hover {
  text-decoration-color: var(--primary);
}

/* 导出按钮行 */
.export-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.export-btn {
  flex: 1;
  padding: 8px 12px;
  background: white;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.export-btn:hover {
  background: var(--primary-bg);
}

.export-btn:active {
  transform: scale(0.97);
}

/* 小组成员积分排行 */
.team-member-ranking {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.team-member-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--gray-50);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.team-member-row:hover {
  background: var(--primary-bg);
}

.team-member-rank {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gray-200);
  color: var(--gray-600);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.team-member-row:first-child .team-member-rank {
  background: var(--gold);
  color: #fff;
}

.team-member-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.team-member-info {
  flex: 1;
  min-width: 0;
}

.team-member-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
}

.team-member-phases {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.member-phase-tag {
  font-size: 10px;
  color: var(--gray-500);
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 4px;
}

.team-member-score {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}

/* 排行榜汇总条 */
.ranking-summary {
  display: flex;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
  gap: 8px;
}

.summary-item {
  flex: 1;
  text-align: center;
}

.summary-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 4px;
}

.summary-value {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

.summary-value.summary-name {
  font-size: 15px;
}

/* 前三名头像可点击 */
.podium-avatar.clickable {
  cursor: pointer;
  transition: transform 0.15s;
}

.podium-avatar.clickable:hover {
  transform: scale(1.1);
}

/* 管理后台数据导出面板 */
.admin-export-panel {
  padding: 16px 0;
}

.admin-export-panel h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.export-tip-text {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.export-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.export-btn-large {
  padding: 14px 20px;
  background: var(--primary-bg);
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.export-btn-large:hover {
  background: var(--primary);
  color: #fff;
}

.export-btn-large:active {
  transform: scale(0.97);
}

/* 管理后台tabs在手机端可横向滚动 */
.admin-tabs {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  flex-wrap: nowrap;
}

.admin-tab {
  white-space: nowrap;
  flex-shrink: 0;
}

/* 积分明细网格在窄屏下2列 */
@media (max-width: 480px) {
  .breakdown-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .team-bonus-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .team-rank-breakdown {
    flex-direction: column;
    gap: 4px !important;
  }

  .team-rank-header {
    flex-wrap: wrap;
  }

  .record-admin-item {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 4px;
  }

  .record-admin-right {
    align-self: flex-end;
  }

  .batch-preview-item {
    flex-wrap: wrap;
    gap: 4px !important;
  }
}

/* 桌面端增大最大宽度 */
@media (min-width: 769px) {
  .header-content,
  .app-main,
  .app-footer {
    max-width: 720px;
  }

  .breakdown-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .team-bonus-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   v2 优化样式（20260723b）
   ============================================ */

/* ============ 仪表盘已移除 ============ */

/* ============ 统一搜索栏 ============ */
.unified-search {
  background: white;
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.unified-search .search-mode-switcher {
  margin-bottom: 10px;
}

.unified-search .search-box {
  display: flex;
  gap: 8px;
}

.unified-search .search-input {
  flex: 1;
  padding: 10px 14px;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-size: 15px;
  transition: border-color 0.2s;
  background: white;
}

.unified-search .search-input:focus {
  border-color: var(--primary);
  outline: none;
}

.unified-search .search-btn {
  padding: 10px 20px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.unified-search .search-btn:active {
  background: var(--primary-dark);
}

/* ============ 搜索结果卡片 ============ */
.search-result-card {
  background: white;
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--primary);
}

/* ============ 紧凑领奖台 ============ */
.podium-compact {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.podium-compact-item {
  flex: 1;
  background: white;
  border-radius: 10px;
  padding: 10px 4px;
  text-align: center;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.15s;
  position: relative;
  overflow: hidden;
}

.podium-compact-item:active {
  transform: scale(0.97);
}

.podium-compact-item:first-child {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
}

.podium-compact-rank {
  font-size: 24px;
  line-height: 1;
}

.podium-compact-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  margin-top: 4px;
}

.podium-compact-score {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 2px;
}

/* ============ 阶段筛选增强 ============ */
.phase-btn {
  display: flex;
  align-items: center;
  gap: 3px;
  position: relative;
}

.phase-btn-icon {
  font-size: 13px;
}

.phase-lock-icon {
  font-size: 10px;
}

.phase-filter-indicator {
  position: absolute;
  bottom: 0;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ============ 积分类型筛选 ============ */
.score-type-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 8px 12px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.filter-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  white-space: nowrap;
}

.filter-select {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 13px;
  color: var(--gray-700);
  background: var(--gray-50);
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
}

.filter-select:focus {
  border-color: var(--primary);
}

.filter-select option {
  padding: 4px;
}

.filter-select optgroup {
  font-weight: 600;
  color: var(--gray-700);
}

/* ============ 个人详情页优化 ============ */
.detail-hero {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-200);
}

.detail-hero-info {
  flex: 1;
  min-width: 0;
}

.detail-hero-score {
  text-align: center;
}

.detail-total-score {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.detail-total-label {
  font-size: 11px;
  color: var(--gray-500);
}

.detail-rank-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 13px;
  color: var(--gray-600);
}

.detail-rank-text b {
  color: var(--primary);
  font-size: 16px;
}

.detail-phase-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 16px;
}

.detail-phase-chip {
  background: var(--gray-50);
  border-radius: 8px;
  padding: 6px 4px;
  text-align: center;
}

.detail-phase-name {
  font-size: 10px;
  color: var(--gray-500);
}

.detail-phase-score {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
}

.detail-phase-sub {
  font-size: 9px;
  color: var(--success);
}

/* ============ 批量审核 ============ */
.review-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  background: var(--gray-50);
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 12px;
}

.review-select-all-btn {
  padding: 6px 12px;
  background: white;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.review-selected-count {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
}

.review-toolbar .approve-btn,
.review-toolbar .reject-btn {
  padding: 6px 12px;
  font-size: 12px;
}

.review-toolbar .approve-btn:disabled,
.review-toolbar .reject-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.review-card {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: white;
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
}

.review-card.selected {
  border: 2px solid var(--primary);
  background: var(--primary-bg);
}

.review-checkbox {
  padding-top: 2px;
  cursor: pointer;
}

.review-checkbox input {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.review-card-body {
  flex: 1;
  min-width: 0;
}

/* ============ 防重提示 ============ */
.duplicate-warning {
  background: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: #92400e;
  margin-top: 8px;
}

/* ============ 阶段锁定管理 ============ */
.admin-phaselock-panel {
  padding: 4px 0;
}

.phaselock-guide {
  background: var(--primary-bg);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
}

.phaselock-guide h3 {
  font-size: 15px;
  color: var(--primary);
  margin-bottom: 4px;
}

.phaselock-guide p {
  font-size: 12px;
  color: var(--gray-600);
}

.phaselock-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: white;
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
}

.phaselock-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.phaselock-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
}

.phaselock-status {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
}

.phaselock-status.locked {
  background: #fef3c7;
  color: #92400e;
}

.phaselock-status.unlocked {
  background: #d1fae5;
  color: #065f46;
}

.lock-btn {
  padding: 6px 16px;
  background: var(--danger);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.unlock-btn {
  padding: 6px 16px;
  background: var(--success);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

/* ============ 记录锁定标记 ============ */
.record-admin-item.locked {
  opacity: 0.6;
  background: var(--gray-50);
}

.record-lock-badge {
  font-size: 11px;
}

.record-locked-text {
  font-size: 11px;
  color: var(--gray-400);
}

/* ============ 管理员登录优化 ============ */
.admin-login-icon {
  text-align: center;
  font-size: 40px;
  margin-bottom: 8px;
}

.admin-login-tip {
  text-align: center;
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.admin-login-hint {
  text-align: center;
  font-size: 11px;
  color: var(--gray-400);
  margin-top: 8px;
}

/* ============ 手机端响应式优化 ============ */
@media (max-width: 480px) {
  .podium-compact-item {
    padding: 8px 4px;
  }

  .podium-compact-rank {
    font-size: 20px;
  }

  .podium-compact-name {
    font-size: 12px;
  }

  .podium-compact-score {
    font-size: 14px;
  }

  .detail-phase-overview {
    gap: 4px;
  }

  .detail-phase-score {
    font-size: 14px;
  }

  .detail-total-score {
    font-size: 26px;
  }

  .review-toolbar {
    gap: 4px;
  }

  .review-toolbar button {
    padding: 4px 8px;
    font-size: 11px;
  }
}

/* ============ 导出面板增强 ============ */
.export-section {
  margin-bottom: 16px;
}

.export-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 4px;
}

.export-section-desc {
  font-size: 12px;
  color: var(--gray-500);
  margin-bottom: 8px;
}

.export-btn-primary {
  background: var(--primary);
  color: white;
  border: none;
}

.export-btn-primary:active {
  background: var(--primary-dark);
}

/* ============ 搜索模式切换 ============ */
.search-mode-switcher {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.search-mode-btn {
  flex: 1;
  padding: 10px 16px;
  border: 2px solid var(--gray-200);
  background: white;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  transition: all 0.2s;
}

.search-mode-btn.active {
  border-color: var(--primary);
  background: var(--primary-bg);
  color: var(--primary-dark);
}

/* ============ 小组成员积分明细 ============ */
.team-member-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 11px;
  color: var(--gray-500);
  align-items: center;
}

.team-member-meta > span:first-child {
  font-weight: 600;
  color: var(--primary-dark);
  margin-right: 4px;
}

.member-phase-tag {
  background: var(--gray-100);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
}

/* ============ 小组成员类型明细卡片 ============ */
.team-type-breakdown {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.member-type-card {
  background: var(--gray-50);
  border-radius: 10px;
  padding: 10px 12px;
  border-left: 3px solid var(--primary-light);
}

.member-type-header {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin-bottom: 6px;
}

.member-type-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.member-type-info {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
}

.member-type-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
}

.member-type-rank {
  font-size: 11px;
  color: var(--primary-dark);
  font-weight: 500;
}

.member-type-total {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
}

.member-type-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.member-type-tag {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11px;
  color: var(--gray-600);
}

.member-type-tag.tag-bonus {
  background: var(--primary-bg);
  border-color: var(--primary-light);
  color: var(--primary-dark);
}