/* ============================================================
   Sub-pages Additional Styles
   ============================================================ */

/* ── Page Header ── */
.page-header {
  padding: calc(var(--nav-height) + 60px) 0 60px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,212,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.page-header-content { position: relative; z-index: 1; }
.page-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.page-breadcrumb a { color: var(--text-muted); transition: color 0.2s; }
.page-breadcrumb a:hover { color: var(--accent-cyan); }
.page-breadcrumb span { color: var(--text-secondary); }
.page-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.page-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

/* ── Query Page ── */
.query-page { padding: 60px 0; }
.query-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-bottom: 40px;
}
.query-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 28px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-md);
  padding: 4px;
}
.query-tab {
  flex: 1;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
  text-align: center;
}
.query-tab.active {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.query-input-group {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.query-input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  transition: all 0.2s ease;
}
.query-input:focus { border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(0,212,255,0.1); }
.query-input::placeholder { color: var(--text-muted); }
.btn-query {
  padding: 14px 28px;
  background: var(--gradient-1);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.2s ease;
  box-shadow: 0 4px 20px rgba(0,212,255,0.2);
}
.btn-query:hover { opacity: 0.9; transform: translateY(-1px); }

/* ── Form Styles ── */
.form-section { padding: 60px 0; }
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}
.form-label .required { color: var(--risk-critical); margin-left: 3px; }
.form-input, .form-select, .form-textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
  font-family: inherit;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.08);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-select { cursor: pointer; }
.form-select option { background: #111827; color: var(--text-primary); }
.form-textarea { resize: vertical; min-height: 120px; }
.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}
.upload-area:hover, .upload-area.drag-over {
  border-color: var(--accent-cyan);
  background: rgba(0,212,255,0.04);
}
.upload-icon { font-size: 40px; margin-bottom: 12px; }
.upload-title { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.upload-desc { font-size: 13px; color: var(--text-muted); }
.upload-types { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 12px; }
.upload-type-tag {
  padding: 3px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 11px;
  color: var(--text-muted);
}
.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--gradient-1);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  transition: all 0.2s ease;
  box-shadow: 0 4px 20px rgba(0,212,255,0.25);
  margin-top: 8px;
}
.btn-submit:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,212,255,0.35); }
.form-note {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}

/* ── FAQ ── */
.faq-section { padding: 60px 0; }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item.open { border-color: rgba(0,212,255,0.3); }
.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  transition: background 0.2s ease;
}
.faq-question:hover { background: rgba(255,255,255,0.03); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(79,110,247,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--accent-blue);
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(0,212,255,0.1); color: var(--accent-cyan); }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px; }

/* ── Contact Page ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 60px 0;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-method {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-method-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(79,110,247,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.contact-method-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.contact-method-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.contact-method-link { font-size: 13px; color: var(--accent-cyan); margin-top: 6px; display: inline-block; }

/* ── Auth Pages ── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 40px) 24px 60px;
  background: var(--bg-primary);
}
.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-card);
}
.auth-logo { text-align: center; margin-bottom: 32px; }
.auth-logo img { width: 48px; height: 48px; margin-bottom: 12px; }
.auth-logo-name {
  font-size: 14px;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-title { font-size: 24px; font-weight: 800; text-align: center; margin-bottom: 8px; }
.auth-subtitle { font-size: 14px; color: var(--text-secondary); text-align: center; margin-bottom: 32px; }
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 12px;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}
.btn-social {
  width: 100%;
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s ease;
  margin-bottom: 10px;
}
.btn-social:hover { border-color: var(--border-hover); color: var(--text-primary); background: var(--bg-card-hover); }
.auth-footer { text-align: center; margin-top: 24px; font-size: 13px; color: var(--text-muted); }
.auth-footer a { color: var(--accent-cyan); }
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}
.form-checkbox input { margin-top: 2px; accent-color: var(--accent-cyan); }

/* ── Dashboard ── */
.dashboard-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - var(--nav-height));
  margin-top: var(--nav-height);
}
.sidebar {
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 24px 16px;
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  overflow-y: auto;
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}
.sidebar-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.sidebar-username { font-size: 14px; font-weight: 600; }
.sidebar-role { font-size: 11px; color: var(--text-muted); }
.sidebar-menu { display: flex; flex-direction: column; gap: 2px; }
.sidebar-menu-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 16px 12px 8px;
}
.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  cursor: pointer;
}
.sidebar-item:hover { background: var(--bg-card); color: var(--text-primary); }
.sidebar-item.active { background: rgba(79,110,247,0.1); color: var(--accent-blue); }
.sidebar-item .badge {
  margin-left: auto;
  background: var(--risk-critical);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 100px;
}
.dashboard-main { padding: 32px; overflow-y: auto; }
.dashboard-greeting { margin-bottom: 32px; }
.dashboard-greeting h1 { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
.dashboard-greeting p { font-size: 14px; color: var(--text-secondary); }
.dashboard-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
.dashboard-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all 0.2s ease;
}
.dashboard-stat-card:hover { border-color: var(--border-hover); }
.dashboard-stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.dashboard-stat-value { font-size: 28px; font-weight: 800; letter-spacing: -0.5px; }
.dashboard-stat-change { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.dashboard-grid { display: grid; grid-template-columns: 1fr 320px; gap: 24px; }
.dashboard-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.dashboard-card-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dashboard-card-title a { font-size: 12px; color: var(--accent-cyan); font-weight: 500; }
.report-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}
.report-item:last-child { border-bottom: none; }
.report-item-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(79,110,247,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.report-item-name { font-size: 13px; font-weight: 600; margin-bottom: 2px; }
.report-item-meta { font-size: 11px; color: var(--text-muted); }
.notification-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}
.notification-item:last-child { border-bottom: none; }
.notification-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 5px;
}
.notification-text { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }
.notification-time { font-size: 11px; color: var(--text-muted); margin-top: 3px; }

/* ── Responsive — 子页面全面移动端优化 ── */

/* 1024px 平板 */
@media (max-width: 1024px) {
  .dashboard-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .page-header { padding: 80px 0 40px; }
}

/* 768px 手机/平板 */
@media (max-width: 768px) {
  /* 页面头部 */
  .page-header { padding: 70px 0 32px; }
  .page-header h1 { font-size: clamp(22px, 5vw, 32px); }
  .page-header p { font-size: 14px; }

  /* 表单 */
  .form-grid { grid-template-columns: 1fr; gap: 14px; }
  .form-group label { font-size: 13px; }
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 14px; padding: 10px 14px; }

  /* 查询页 */
  .query-input-group { flex-direction: column; gap: 10px; }
  .query-box { padding: 20px 16px; }
  .query-tabs { flex-wrap: wrap; gap: 6px; }
  .query-tab { padding: 7px 14px; font-size: 13px; }

  /* 登录/注册 */
  .auth-card { padding: 28px 20px; margin: 0 16px; }
  .auth-card h2 { font-size: 20px; }

  /* 联系我们 */
  .contact-grid { grid-template-columns: 1fr; gap: 20px; }

  /* Dashboard */
  .dashboard-main { padding: 20px 16px; }
  .dashboard-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .dashboard-stat-card { padding: 18px 14px; }
  .dashboard-grid { grid-template-columns: 1fr; gap: 16px; }

  /* 举报页 */
  .report-form { padding: 20px 16px; }
  .upload-area { padding: 24px 16px; }

  /* 案件详情 */
  .detail-grid { grid-template-columns: 1fr !important; }
  .detail-header { flex-direction: column; gap: 12px; align-items: flex-start; }

  /* FAQ */
  .faq-item { padding: 16px; }
  .faq-question { font-size: 14px; }
  .faq-answer { font-size: 13px; }
}

/* 480px 手机 */
@media (max-width: 480px) {
  /* 页面头部 */
  .page-header { padding: 60px 0 24px; }
  .page-header h1 { font-size: 20px; }

  /* 表单组件 */
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 14px; padding: 9px 12px; }
  .btn-submit { width: 100%; padding: 13px; font-size: 15px; }

  /* 登录/注册 */
  .auth-card { padding: 24px 16px; margin: 0 12px; }

  /* Dashboard 统计 */
  .dashboard-stats { grid-template-columns: 1fr 1fr; }
  .dashboard-stat-card { padding: 14px 12px; }
  .dashboard-stat-value { font-size: 22px; }

  /* 举报表单 */
  .report-form { padding: 16px 14px; }
  .upload-area { padding: 20px 12px; }
  .upload-area p { font-size: 13px; }

  /* 内容卡片 */
  .card-body { padding: 16px 14px; }
  .card-header { padding: 14px 14px; }

  /* 表格横向滚动 */
  .table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table-responsive table { min-width: 480px; font-size: 12px; }
}

/* ============================================================
   MOBILE ENHANCEMENTS v2 — 全面手机端优化
   ============================================================ */

/* ── Dashboard 快速操作 4列 ── */
.quick-actions-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

/* ── Dashboard 设置 2列 ── */
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ── 案件详情主布局 ── */
.detail-main-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
}

/* ── 案件详情风险摘要 3列 ── */
.detail-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

/* ── 案件详情基本信息 2列 ── */
.detail-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── 案件详情页头操作行 ── */
.detail-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* ============================================================
   768px 手机/平板
   ============================================================ */
@media (max-width: 768px) {
  /* Dashboard 快速操作：2列 */
  .quick-actions-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }

  /* Dashboard 设置：1列 */
  .settings-grid { grid-template-columns: 1fr; gap: 16px; }

  /* 案件详情：主布局单列 */
  .detail-main-grid { grid-template-columns: 1fr; gap: 20px; }

  /* 案件详情：风险摘要 3列→2列 */
  .detail-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

  /* 案件详情：基本信息 2列→1列 */
  .detail-info-grid { grid-template-columns: 1fr; gap: 10px; }

  /* 案件详情：页头操作行 */
  .detail-header-row { flex-direction: column; align-items: flex-start; gap: 12px; }
  .detail-header-row > div:last-child { display: flex; flex-wrap: wrap; gap: 8px; }
  .detail-header-row > div:last-child button,
  .detail-header-row > div:last-child a { font-size: 12px; padding: 8px 12px; }

  /* Dashboard 侧边栏：移动端顶部横向菜单 */
  .dashboard-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .dashboard-main { padding: 20px 16px; }

  /* 消息通知 flex 行 */
  .dashboard-main [style*="display:flex;align-items:flex-start;gap:12px"] {
    gap: 10px;
  }

  /* 举报表格操作列按钮 */
  .data-table [style*="display:flex;gap:6px"] {
    flex-direction: column;
    gap: 4px;
  }
}

/* ============================================================
   480px 手机
   ============================================================ */
@media (max-width: 480px) {
  /* Dashboard 快速操作：2列 */
  .quick-actions-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .quick-actions-grid a,
  .quick-actions-grid div { padding: 14px 10px !important; }
  .quick-actions-grid [style*="font-size:28px"] { font-size: 22px !important; }
  .quick-actions-grid [style*="font-size:13px"] { font-size: 12px !important; }

  /* Dashboard 设置 */
  .settings-grid { grid-template-columns: 1fr; gap: 12px; }

  /* 案件详情：风险摘要 1列 */
  .detail-stats-grid { grid-template-columns: 1fr; gap: 8px; }
  .detail-stats-grid > div { padding: 12px !important; }
  .detail-stats-grid [style*="font-size:28px"] { font-size: 22px !important; }

  /* 案件详情：基本信息 1列 */
  .detail-info-grid { grid-template-columns: 1fr; gap: 8px; }
  .detail-info-grid > div { padding: 10px !important; }

  /* 案件详情：页头按钮全宽 */
  .detail-header-row > div:last-child { width: 100%; }
  .detail-header-row > div:last-child button,
  .detail-header-row > div:last-child a { flex: 1; text-align: center; justify-content: center; }

  /* 案件详情 section padding */
  .detail-main-grid { gap: 14px; }

  /* 查询页 */
  .query-filters { flex-wrap: wrap; gap: 6px; }
  .query-filter-btn { font-size: 11px; padding: 5px 10px; }

  /* 举报页 case-id 行 */
  .case-id-bar { flex-direction: column; gap: 8px; align-items: flex-start !important; }

  /* 通用 section padding */
  .page-section { padding: 32px 0 !important; }
}

/* ============================================================
   360px 极小屏
   ============================================================ */
@media (max-width: 360px) {
  .quick-actions-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
  .detail-stats-grid { grid-template-columns: 1fr; }
  .detail-info-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 20px 12px; margin: 0 8px; }
  .dashboard-stat-value { font-size: 18px; }
}