:root {
  --primary: #EB2B35;
  --navy-dark: #031524;
  --navy-mid: #0B2A45;
  --ocean-blue: #1C5CB0;
  --bg-light: #F6F7F9;
  --text-dark: #1F2421;
  --text-muted: #6B7280;
  --border-color: #E5E7EB;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", sans-serif;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-mid) 100%);
  min-height: 100vh;
  color: var(--text-dark);
  line-height: 1.6;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

/* 登录页面 */
.login-box {
  max-width: 450px;
  margin: 80px auto;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.logo {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-mid) 100%);
  color: white;
  text-align: center;
  padding: 40px 30px;
}

.logo h1 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
}

.logo h2 {
  font-size: 16px;
  font-weight: 400;
  opacity: 0.9;
}

.login-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  flex: 1;
  padding: 16px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 15px;
  color: var(--text-muted);
  transition: all 0.3s;
  border-bottom: 3px solid transparent;
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.login-form {
  padding: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-dark);
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 80px;
  resize: vertical;
}

.btn-primary {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-primary:hover {
  background: #d01f29;
}

.help-text {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

.help-text p {
  margin: 4px 0;
}

/* 分会端页面 */
.header {
  background: white;
  padding: 20px 30px;
  border-radius: 12px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.header-left h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--navy-dark);
  margin-bottom: 4px;
}

.header-left p {
  font-size: 14px;
  color: var(--text-muted);
}

.header-right {
  display: flex;
  gap: 12px;
}

.btn-secondary {
  padding: 10px 20px;
  background: white;
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-secondary:hover {
  background: var(--bg-light);
}

.btn-logout {
  padding: 10px 20px;
  background: var(--bg-light);
  color: var(--text-dark);
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-logout:hover {
  background: var(--border-color);
}

.btn-info {
  padding: 10px 20px;
  background: #3B82F6;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-info:hover {
  background: #2563EB;
}

.btn-template {
  padding: 10px 20px;
  background: #10B981;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.btn-template:hover {
  background: #059669;
}

.btn-upload {
  padding: 10px 20px;
  background: #F59E0B;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-upload:hover {
  background: #D97706;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.stat-card {
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.stat-card h3 {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.stat-card .number {
  font-size: 32px;
  font-weight: 700;
  color: var(--navy-dark);
}

.stat-card .quota {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

.tabs {
  background: white;
  border-radius: 12px;
  margin-bottom: 20px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.tab-headers {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.tab-header {
  flex: 1;
  padding: 16px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 15px;
  color: var(--text-muted);
  transition: all 0.3s;
  border-bottom: 3px solid transparent;
  font-weight: 500;
}

.tab-header.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.tab-content {
  padding: 24px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.action-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.btn-add {
  padding: 10px 24px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-add:hover {
  background: #d01f29;
}

.table-container {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead {
  background: var(--bg-light);
}

th {
  padding: 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-dark);
  border-bottom: 2px solid var(--border-color);
}

td {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
}

tr:hover {
  background: var(--bg-light);
}

.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.status-pending {
  background: #FEF3C7;
  color: #92400E;
}

.status-approved {
  background: #D1FAE5;
  color: #065F46;
}

.status-rejected {
  background: #FEE2E2;
  color: #991B1B;
}

.btn-edit,
.btn-delete {
  padding: 6px 12px;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  margin-right: 6px;
  transition: all 0.3s;
}

.btn-edit {
  background: var(--ocean-blue);
  color: white;
}

.btn-edit:hover {
  background: #1652a0;
}

.btn-delete {
  background: var(--danger);
  color: white;
}

.btn-delete:hover {
  background: #dc2626;
}

/* 模态框 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  overflow-y: auto;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  background: white;
  border-radius: 12px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--navy-dark);
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--text-dark);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.btn-cancel {
  padding: 10px 24px;
  background: white;
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-cancel:hover {
  background: var(--bg-light);
}

.btn-submit {
  padding: 10px 24px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-submit:hover {
  background: #d01f29;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state svg {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state p {
  font-size: 15px;
}

/* 管理员端 */
.admin-header {
  background: white;
  padding: 24px 30px;
  border-radius: 12px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.admin-header h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--navy-dark);
  margin-bottom: 8px;
}

.admin-tabs {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.admin-tab-btn {
  padding: 10px 20px;
  background: var(--bg-light);
  color: var(--text-dark);
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
}

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

.export-buttons {
  display: flex;
  gap: 12px;
}

.btn-export {
  padding: 10px 20px;
  background: var(--ocean-blue);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-export:hover {
  background: #1652a0;
}

.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-bar select {
  padding: 10px 16px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  background: white;
  cursor: pointer;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .header {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .table-container {
    overflow-x: scroll;
  }

  table {
    min-width: 800px;
  }
}