/* MDR CE 认证管理平台 V3.0 - 样式表 */
:root {
  --primary: #1a5276;
  --primary-light: #2980b9;
  --primary-lighter: #d4e6f1;
  --accent: #e67e22;
  --accent-light: #fdebd0;
  --success: #27ae60;
  --success-light: #d5f5e3;
  --warning: #f39c12;
  --warning-light: #fef9e7;
  --danger: #c0392b;
  --danger-light: #fadbd8;
  --info: #2980b9;
  --info-light: #d6eaf8;
  --bg: #f5f7fa;
  --bg-card: #ffffff;
  --text: #2c3e50;
  --text-light: #7f8c8d;
  --text-muted: #bdc3c7;
  --border: #e1e5eb;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.1);
  --transition: 0.2s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ============ 登录页 ============ */
.login-container {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}
.login-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 48px 40px;
  width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.login-card h1 { font-size: 24px; color: var(--primary); margin-bottom: 4px; text-align: center; }
.login-card .subtitle { color: var(--text-light); text-align: center; margin-bottom: 32px; font-size: 13px; }
.login-card .form-group { margin-bottom: 20px; }
.login-card label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.login-card input {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 14px; transition: var(--transition);
}
.login-card input:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px var(--primary-lighter); }
.login-card textarea {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 14px; font-family: inherit; resize: vertical;
  transition: var(--transition);
}
.login-card textarea:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px var(--primary-lighter); }
.login-card button {
  width: 100%; padding: 12px;
  background: var(--primary);
  color: #fff; border: none; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition);
}
.login-card button:hover { background: var(--primary-light); }
.login-card .error { color: var(--danger); font-size: 13px; text-align: center; margin-top: 12px; }

/* ============ 主布局 ============ */
.app-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; background: var(--primary);
  color: #fff; flex-shrink: 0;
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
}
.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-header .logo { font-size: 16px; font-weight: 700; }
.sidebar-header .version { font-size: 11px; opacity: 0.6; margin-top: 2px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.sidebar-nav .nav-group { padding: 8px 20px 4px; font-size: 10px; text-transform: uppercase; letter-spacing: 1px; opacity: 0.5; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px;
  color: rgba(255,255,255,0.75); text-decoration: none;
  font-size: 14px; transition: var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.sidebar-nav a.active { background: rgba(255,255,255,0.12); color: #fff; border-left-color: var(--accent); }
.sidebar-nav a .nav-icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-nav a .nav-badge {
  margin-left: auto; font-size: 11px;
  background: var(--accent); color: #fff;
  padding: 1px 7px; border-radius: 10px;
}
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.sidebar-footer .user-info { display: flex; align-items: center; gap: 10px; }
.sidebar-footer .avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
}
.sidebar-footer .user-name { font-size: 13px; }
.sidebar-footer .user-role { font-size: 11px; opacity: 0.6; }
.sidebar-footer .logout-btn {
  margin-left: auto; background: none; border: none; color: rgba(255,255,255,0.6);
  cursor: pointer; font-size: 16px; padding: 4px;
}
.sidebar-footer .logout-btn:hover { color: #fff; }

/* 主内容 */
.main-content {
  flex: 1; margin-left: 240px;
  padding: 24px 32px;
  min-height: 100vh;
}

/* ============ 顶部栏 ============ */
.top-bar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.top-bar .page-title { font-size: 22px; font-weight: 700; }
.top-bar .breadcrumb { font-size: 13px; color: var(--text-light); }
.top-bar .breadcrumb span { color: var(--primary); }

/* ============ 统计卡片 ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border-left: 3px solid var(--primary);
}
.stat-card.accent { border-left-color: var(--accent); }
.stat-card.success { border-left-color: var(--success); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card .stat-label { font-size: 12px; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; margin: 4px 0; }
.stat-card .stat-sub { font-size: 12px; color: var(--text-muted); }

/* ============ 卡片 ============ */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.card-header h2 { font-size: 16px; font-weight: 600; }
.card-body { padding: 20px; }
.card-body.no-padding { padding: 0; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius); border: none;
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: var(--transition); text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #d35400; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #219a52; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #a93226; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d68910; }
.btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: var(--primary-lighter); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ============ 表格 ============ */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th {
  padding: 12px 16px; text-align: left;
  font-weight: 600; color: var(--text-light);
  background: #f8f9fa; border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
table td { padding: 10px 16px; border-bottom: 1px solid var(--border); }
table tr:hover td { background: #f8f9fa; }

/* ============ 状态标签 ============ */
.status-badge {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  font-size: 11px; font-weight: 600; text-transform: uppercase;
}
.status-draft { background: var(--warning-light); color: #b7950b; }
.status-review { background: var(--info-light); color: #2471a3; }
.status-approved { background: var(--success-light); color: #1e8449; }
.status-archived { background: #f2f3f4; color: #7f8c8d; }
.status-active { background: var(--success-light); color: #1e8449; }
.status-completed { background: var(--success-light); color: #1e8449; }
.status-pending { background: var(--warning-light); color: #b7950b; }
.status-in_progress { background: var(--info-light); color: #2471a3; }
.status-submitted { background: var(--info-light); color: #2471a3; }
.status-valid { background: var(--success-light); color: #1e8449; }
.status-expiring { background: var(--warning-light); color: #9c640c; }
.status-expired { background: var(--danger-light); color: #922b21; }

/* ============ 进度条 ============ */
.progress-bar {
  height: 8px; background: #e9ecef;
  border-radius: 4px; overflow: hidden;
}
.progress-bar .fill {
  height: 100%; border-radius: 4px;
  background: var(--primary-light);
  transition: width 0.4s ease;
}
.progress-bar .fill.success { background: var(--success); }
.progress-bar .fill.warning { background: var(--warning); }
.progress-bar .fill.danger { background: var(--danger); }

/* ============ 标签页 ============ */
.tabs {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}
.tab {
  padding: 10px 20px; font-size: 14px; font-weight: 500;
  cursor: pointer; border-bottom: 2px solid transparent;
  margin-bottom: -2px; color: var(--text-light);
  transition: var(--transition);
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* ============ 模态框 ============ */
.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--bg-card);
  border-radius: 12px;
  width: 90%; max-width: 700px;
  max-height: 85vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-lg { max-width: 900px; }
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { font-size: 18px; }
.modal-close {
  background: none; border: none; font-size: 20px; cursor: pointer;
  color: var(--text-light); padding: 4px;
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}

/* ============ 表单 ============ */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; color: var(--text); }
.form-group .required::after { content: ' *'; color: var(--danger); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 9px 12px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 14px; font-family: inherit; transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary-light);
  box-shadow: 0 0 0 3px var(--primary-lighter);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row.three { grid-template-columns: 1fr 1fr 1fr; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ============ 复选框/开关 ============ */
.toggle-switch {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
}
.toggle-track {
  width: 40px; height: 22px; background: #ccc;
  border-radius: 11px; position: relative; transition: var(--transition);
}
.toggle-track.on { background: var(--success); }
.toggle-thumb {
  width: 18px; height: 18px; background: #fff;
  border-radius: 50%; position: absolute; top: 2px; left: 2px;
  transition: var(--transition); box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle-track.on .toggle-thumb { left: 20px; }

/* ============ 通知 ============ */
.toast-container {
  position: fixed; top: 20px; right: 20px; z-index: 2000;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 12px 20px; border-radius: var(--radius);
  color: #fff; font-size: 14px; box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  max-width: 360px;
}
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--info); }

/* ============ 向导(Wizard)样式 ============ */
.wizard-container { display: flex; gap: 24px; }
.wizard-steps {
  width: 200px; flex-shrink: 0;
}
.wizard-step {
  padding: 12px 16px; cursor: pointer;
  border-left: 3px solid var(--border);
  font-size: 13px; color: var(--text-light); transition: var(--transition);
}
.wizard-step:hover { background: #f8f9fa; }
.wizard-step.active { border-left-color: var(--primary); color: var(--primary); font-weight: 600; background: var(--primary-lighter); }
.wizard-step.completed { border-left-color: var(--success); color: var(--success); }
.wizard-step .step-num { font-size: 11px; font-weight: 700; }
.wizard-step .step-label { margin-top: 2px; }
.wizard-content { flex: 1; }

/* ============ 11节TD模板卡片 ============ */
.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.section-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  cursor: pointer;
  transition: var(--transition);
  border-left: 4px solid transparent;
}
.section-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.section-card .sec-number { font-size: 24px; font-weight: 800; color: var(--primary); }
.section-card .sec-title { font-size: 15px; font-weight: 600; margin: 4px 0; }
.section-card .sec-ref { font-size: 11px; color: var(--accent); }
.section-card .sec-desc { font-size: 12px; color: var(--text-light); margin-top: 6px; }
.section-card .sec-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; }
.section-card.complete { border-left-color: var(--success); }
.section-card.in-progress { border-left-color: var(--warning); }

/* ============ 检查清单项 ============ */
.checklist-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.checklist-item:hover { background: #f8f9fa; }
.checklist-item .check-status {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--border); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; margin-top: 2px;
}
.checklist-item.completed .check-status { background: var(--success); border-color: var(--success); color: #fff; }
.checklist-item.in_progress .check-status { background: var(--warning); border-color: var(--warning); color: #fff; }
.checklist-item .check-info { flex: 1; }
.checklist-item .check-title { font-size: 14px; font-weight: 500; }
.checklist-item .check-desc { font-size: 12px; color: var(--text-light); }
.checklist-item .check-required { font-size: 10px; color: var(--danger); }

/* ============ GSPR矩阵 ============ */
.gspr-header {
  display: grid; grid-template-columns: 60px 1fr 80px 150px 200px 80px;
  padding: 10px 16px; font-weight: 600; font-size: 12px;
  color: var(--text-light); background: #f8f9fa;
  border-bottom: 2px solid var(--border);
}
.gspr-row {
  display: grid; grid-template-columns: 60px 1fr 80px 150px 200px 80px;
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  align-items: center; font-size: 13px; transition: var(--transition);
}
.gspr-row:hover { background: #f8f9fa; }
.gspr-row .gspr-chapter { font-size: 11px; font-weight: 600; color: var(--text-muted); }

/* ============ 决策树 ============ */
.decision-item {
  background: var(--bg-card); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px;
}
.decision-item .q-num { font-size: 13px; color: var(--accent); font-weight: 700; }
.decision-item .q-text { font-size: 15px; margin: 4px 0 10px; }
.decision-item .q-hint { font-size: 12px; color: var(--text-light); margin-bottom: 10px; }
.decision-item .q-options { display: flex; gap: 8px; }
.decision-option {
  padding: 8px 20px; border: 1.5px solid var(--border); border-radius: var(--radius);
  cursor: pointer; font-size: 13px; transition: var(--transition);
}
.decision-option:hover { border-color: var(--primary-light); }
.decision-option.selected { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ============ 搜索 ============ */
.search-box {
  position: relative;
}
.search-box input {
  width: 280px; padding: 8px 14px 8px 36px;
  border: 1.5px solid var(--border); border-radius: 20px;
  font-size: 13px;
}
.search-box input:focus { outline: none; border-color: var(--primary-light); }
.search-box .search-icon { position: absolute; left: 12px; top: 9px; color: var(--text-muted); }

/* ============ 空状态 ============ */
.empty-state {
  text-align: center; padding: 48px 20px;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state .empty-text { font-size: 14px; }

/* ============ 响应式 ============ */
@media (max-width: 768px) {
  .sidebar { width: 200px; }
  .main-content { margin-left: 200px; padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .section-grid { grid-template-columns: 1fr; }
  .wizard-container { flex-direction: column; }
  .wizard-steps { width: 100%; display: flex; overflow-x: auto; }
  .wizard-step { flex-shrink: 0; }
}