/* 领霄数据资产中心 — 品牌调性：深色专业 + TikTok 玫红点缀 */
:root {
  --lx-brand: #ff0050;
  --lx-brand-soft: rgba(255, 0, 80, 0.12);
  --lx-brand-glow: rgba(255, 0, 80, 0.35);
  --lx-accent: #38bdf8;
  --lx-bg: #0b1120;
  --lx-surface: #131c2e;
  --lx-surface-2: #1a2740;
  --lx-border: rgba(148, 163, 184, 0.14);
  --lx-text: #e2e8f0;
  --lx-muted: #94a3b8;
  --lx-success: #34d399;
  --lx-warn: #fbbf24;
  --lx-radius: 14px;
  --lx-radius-sm: 10px;
  --lx-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
  --lx-font: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

.da-page {
  font-family: var(--lx-font);
  --sidebar-width: 240px;
}

.da-page .sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, #111827 0%, #0f172a 100%);
  border-right: 1px solid var(--lx-border);
  padding: 28px 18px;
}

.da-page .sidebar h1 {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: linear-gradient(90deg, #fff 0%, #fda4af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 28px;
}

.da-page .sidebar nav a.active {
  background: var(--lx-brand-soft);
  color: #fff;
  border: 1px solid rgba(255, 0, 80, 0.25);
}

.da-page .main {
  padding: 0;
  background:
    radial-gradient(ellipse 80% 50% at 100% -10%, rgba(255, 0, 80, 0.08), transparent 50%),
    radial-gradient(ellipse 60% 40% at 0% 0%, rgba(56, 189, 248, 0.06), transparent 45%),
    var(--lx-bg);
}

.da-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 32px 48px;
}

/* Hero */
.da-hero {
  position: relative;
  overflow: hidden;
  border-radius: calc(var(--lx-radius) + 4px);
  border: 1px solid var(--lx-border);
  background: linear-gradient(135deg, rgba(26, 39, 64, 0.95) 0%, rgba(19, 28, 46, 0.98) 100%);
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: var(--lx-shadow);
}

.da-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -5%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, var(--lx-brand-glow) 0%, transparent 70%);
  pointer-events: none;
}

.da-hero-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.da-hero h2 {
  margin: 0 0 8px;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.da-hero-desc {
  margin: 0;
  color: var(--lx-muted);
  font-size: 0.92rem;
  max-width: 640px;
  line-height: 1.6;
}

.da-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.da-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--lx-border);
  background: rgba(15, 23, 42, 0.6);
  color: #cbd5e1;
}

.da-badge.brand {
  border-color: rgba(255, 0, 80, 0.35);
  background: var(--lx-brand-soft);
  color: #fecdd3;
}

.da-refresh-btn {
  width: auto;
  padding: 10px 18px;
  border-radius: var(--lx-radius-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--lx-border);
  color: var(--lx-text);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.da-refresh-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 0, 80, 0.3);
}

/* Stats */
.da-stats {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.da-stat {
  position: relative;
  overflow: hidden;
  background: var(--lx-surface);
  border: 1px solid var(--lx-border);
  border-radius: var(--lx-radius);
  padding: 18px 16px;
  transition: transform 0.2s, border-color 0.2s;
}

.da-stat:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.12);
}

.da-stat.featured {
  grid-column: span 1;
  background: linear-gradient(145deg, rgba(255, 0, 80, 0.15) 0%, var(--lx-surface) 60%);
  border-color: rgba(255, 0, 80, 0.25);
}

.da-stat-label {
  font-size: 0.78rem;
  color: var(--lx-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.da-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.da-stat-sub {
  font-size: 0.72rem;
  color: #64748b;
  margin-top: 6px;
}

.da-stat-dot {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.da-stat-dot.country { background: #f472b6; }
.da-stat-dot.category { background: #a78bfa; }
.da-stat-dot.product { background: #34d399; }
.da-stat-dot.keyword { background: #38bdf8; }
.da-stat-dot.image { background: #fbbf24; }
.da-stat-dot.video { background: #fb7185; }

/* Tabs */
.da-tabs {
  display: flex;
  gap: 6px;
  padding: 6px;
  background: var(--lx-surface);
  border: 1px solid var(--lx-border);
  border-radius: var(--lx-radius);
  margin-bottom: 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.da-tabs::-webkit-scrollbar { display: none; }

.da-tab {
  flex: 1;
  min-width: max-content;
  padding: 12px 20px;
  border: none;
  border-radius: var(--lx-radius-sm);
  background: transparent;
  color: var(--lx-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.da-tab:hover {
  color: var(--lx-text);
  background: rgba(255, 255, 255, 0.04);
}

.da-tab.active {
  color: #fff;
  background: linear-gradient(135deg, var(--lx-brand) 0%, #e6004a 100%);
  box-shadow: 0 4px 16px var(--lx-brand-glow);
}

.da-panel {
  display: none;
  animation: daFadeIn 0.25s ease;
}

.da-panel.active { display: block; }

.da-panel[data-group].active {
  margin-bottom: 20px;
}

@keyframes daFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.da-card {
  background: var(--lx-surface);
  border: 1px solid var(--lx-border);
  border-radius: var(--lx-radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.da-decision-kpis {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.da-dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 18px;
  align-items: stretch;
}

.da-command-card {
  background:
    linear-gradient(145deg, rgba(255, 0, 80, 0.08), transparent 46%),
    var(--lx-surface);
}

.da-action-item {
  width: 100%;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px;
  margin-bottom: 10px;
  border-radius: var(--lx-radius-sm);
  border: 1px solid var(--lx-border);
  background: rgba(15, 23, 42, 0.45);
  color: var(--lx-text);
  text-align: left;
  cursor: pointer;
}

.da-action-item:hover {
  border-color: rgba(255, 0, 80, 0.35);
  background: rgba(255, 0, 80, 0.08);
}

.da-action-level {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border-radius: 10px;
  background: var(--lx-brand-soft);
  color: #fecdd3;
  font-weight: 800;
  font-size: 0.76rem;
}

.da-action-item small {
  display: block;
  margin-top: 4px;
  color: var(--lx-muted);
  line-height: 1.45;
}

.da-flow-grid,
.da-funnel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.da-flow-card,
.da-funnel-step {
  position: relative;
  min-height: 128px;
  padding: 16px;
  border-radius: var(--lx-radius);
  border: 1px solid var(--lx-border);
  background: rgba(15, 23, 42, 0.42);
}

.da-flow-card span,
.da-funnel-step b {
  display: block;
  color: var(--lx-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.da-flow-card strong,
.da-funnel-step strong {
  display: block;
  margin: 8px 0;
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.da-flow-card p,
.da-funnel-step p {
  margin: 0;
  color: var(--lx-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.da-funnel-step.is-hot {
  border-color: rgba(255, 0, 80, 0.32);
  background: linear-gradient(145deg, rgba(255, 0, 80, 0.12), rgba(15, 23, 42, 0.42));
}

.da-funnel-index {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(148, 163, 184, 0.12);
  color: var(--lx-muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.da-signal-row {
  padding: 12px 0;
  border-bottom: 1px solid var(--lx-border);
}

.da-signal-row:last-child {
  border-bottom: none;
}

.da-signal-row span,
.da-signal-row small {
  display: block;
  margin-top: 4px;
  color: var(--lx-muted);
  line-height: 1.45;
}

.da-advanced-summary {
  padding: 0;
  overflow: hidden;
}

.da-advanced-summary summary {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 800;
}

.da-advanced-summary .da-stats {
  padding: 0 22px 22px;
  margin-bottom: 0;
}

.da-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.da-card-title {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
}

.da-card-desc {
  margin: 0;
  color: var(--lx-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Upload zone */
.da-dropzone {
  border: 2px dashed rgba(148, 163, 184, 0.35);
  border-radius: var(--lx-radius);
  padding: 36px 24px;
  text-align: center;
  background: rgba(15, 23, 42, 0.5);
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
  margin-bottom: 20px;
}

.da-dropzone.dragover {
  border-color: var(--lx-brand);
  background: var(--lx-brand-soft);
}

.da-dropzone-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 14px;
  background: var(--lx-brand-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.da-dropzone-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.da-dropzone-hint {
  font-size: 0.82rem;
  color: var(--lx-muted);
  margin-bottom: 16px;
}

.da-file-input-hidden {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.da-file-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  max-height: 180px;
  overflow-y: auto;
}

.da-file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--lx-surface-2);
  border-radius: var(--lx-radius-sm);
  font-size: 0.85rem;
}

.da-file-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Form grid */
.da-form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.da-form-grid .span-2 { grid-column: span 2; }
.da-form-grid .span-4 { grid-column: span 4; }

.da-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--lx-muted);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.da-field .form-input {
  margin-bottom: 0;
}

.da-page .form-input {
  border-radius: var(--lx-radius-sm);
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(15, 23, 42, 0.7);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.da-page .form-input:focus {
  outline: none;
  border-color: rgba(255, 0, 80, 0.5);
  box-shadow: 0 0 0 3px var(--lx-brand-soft);
}

.da-page textarea.form-input {
  min-height: 88px;
  resize: vertical;
}

.da-form-section {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--lx-border);
}

.da-form-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.da-form-section-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--lx-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 14px;
}

/* Buttons */
.da-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 18px;
}

.da-page .btn {
  border-radius: var(--lx-radius-sm);
  transition: transform 0.15s, box-shadow 0.15s;
}

.da-page .btn.primary {
  width: auto;
  padding: 11px 22px;
  background: linear-gradient(135deg, var(--lx-brand) 0%, #e6004a 100%);
  box-shadow: 0 4px 14px var(--lx-brand-glow);
}

.da-page .btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--lx-brand-glow);
}

.da-page .btn.secondary {
  width: auto;
  padding: 11px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--lx-border);
  color: var(--lx-text);
}

.da-page .btn.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.da-page .btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.da-msg {
  font-size: 0.85rem;
  color: var(--lx-muted);
}

.da-msg.ok { color: var(--lx-success); }
.da-msg.err { color: #f87171; }

.da-notice {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--lx-radius-sm);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  font-size: 0.82rem;
  color: #bae6fd;
  line-height: 1.55;
}

/* Tags */
.da-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  color: #cbd5e1;
  border: 1px solid var(--lx-border);
}

.da-tag.type-country { background: rgba(244, 114, 182, 0.15); color: #fbcfe8; border-color: rgba(244, 114, 182, 0.3); }
.da-tag.type-category { background: rgba(167, 139, 250, 0.15); color: #ddd6fe; border-color: rgba(167, 139, 250, 0.3); }
.da-tag.type-product { background: rgba(52, 211, 153, 0.15); color: #a7f3d0; border-color: rgba(52, 211, 153, 0.3); }
.da-tag.type-keyword { background: rgba(56, 189, 248, 0.15); color: #bae6fd; border-color: rgba(56, 189, 248, 0.3); }
.da-tag.type-image { background: rgba(251, 191, 36, 0.15); color: #fde68a; border-color: rgba(251, 191, 36, 0.3); }
.da-tag.type-video { background: rgba(251, 113, 133, 0.15); color: #fecdd3; border-color: rgba(251, 113, 133, 0.3); }
.da-tag.src-api { background: rgba(56, 189, 248, 0.12); color: #7dd3fc; }
.da-tag.src-crawler { background: rgba(251, 191, 36, 0.12); color: #fcd34d; }

/* Tables — desktop */
.da-table-wrap {
  overflow-x: auto;
  border-radius: var(--lx-radius-sm);
  border: 1px solid var(--lx-border);
}

.da-page table {
  margin: 0;
  font-size: 0.84rem;
}

.da-page th {
  background: rgba(15, 23, 42, 0.8);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 14px;
  white-space: nowrap;
}

.da-page td {
  padding: 14px;
  vertical-align: top;
  border-bottom-color: var(--lx-border);
}

.da-page tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.da-mini {
  color: var(--lx-muted);
  font-size: 0.78rem;
  line-height: 1.45;
  margin-top: 4px;
}

.da-mini a {
  color: var(--lx-accent);
}

.da-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--lx-muted);
}

.da-empty-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* Mobile card list (hidden on desktop) */
.da-mobile-list { display: none; }

.da-mobile-card {
  background: var(--lx-surface-2);
  border: 1px solid var(--lx-border);
  border-radius: var(--lx-radius-sm);
  padding: 16px;
  margin-bottom: 10px;
}

.da-mobile-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 10px;
}

.da-mobile-card-title {
  font-weight: 700;
  font-size: 0.92rem;
}

.da-mobile-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.8rem;
  padding: 4px 0;
  border-top: 1px solid var(--lx-border);
}

.da-mobile-row:first-of-type { border-top: none; }
.da-mobile-row span:first-child { color: var(--lx-muted); }

/* Mobile nav toggle */
.da-nav-toggle {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 100;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--lx-brand), #e6004a);
  color: #fff;
  font-size: 1.25rem;
  box-shadow: 0 8px 24px var(--lx-brand-glow);
  cursor: pointer;
}

/* Toast */
.da-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  z-index: 200;
  padding: 12px 20px;
  border-radius: var(--lx-radius-sm);
  background: var(--lx-surface-2);
  border: 1px solid var(--lx-border);
  box-shadow: var(--lx-shadow);
  font-size: 0.88rem;
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  max-width: min(90vw, 420px);
  text-align: center;
}

.da-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.da-toast.ok { border-color: rgba(52, 211, 153, 0.4); color: var(--lx-success); }
.da-toast.err { border-color: rgba(248, 113, 113, 0.4); color: #fca5a5; }

/* Responsive */
@media (max-width: 1200px) {
  .da-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .da-decision-kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .da-dashboard-grid { grid-template-columns: 1fr; }
  .da-form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .da-form-grid .span-2,
  .da-form-grid .span-4 { grid-column: span 2; }
}

@media (max-width: 900px) {
  .da-page .layout { flex-direction: column; }
  .da-page .sidebar {
    width: 100%;
    padding: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
  }
  .da-page .sidebar.collapsed nav { display: none; }
  .da-nav-toggle { display: flex; align-items: center; justify-content: center; }
  .da-content { padding: 16px 16px 80px; }
  .da-hero { padding: 20px; }
  .da-hero h2 { font-size: 1.35rem; }
  .da-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .da-decision-kpis,
  .da-flow-grid,
  .da-funnel-grid {
    grid-template-columns: 1fr;
  }
  .da-stat.featured { grid-column: span 2; }
  .da-tab { padding: 10px 14px; font-size: 0.82rem; }
  .da-card { padding: 18px; }
  .da-form-grid { grid-template-columns: 1fr; }
  .da-form-grid .span-2,
  .da-form-grid .span-4 { grid-column: span 1; }
  .da-table-wrap { display: none; }
  .da-mobile-list { display: block; }
}

@media (max-width: 480px) {
  .da-stats { grid-template-columns: 1fr 1fr; }
  .da-stat-value { font-size: 1.4rem; }
  .da-tabs { flex-direction: column; }
  .da-tab { width: 100%; text-align: center; }
}

.da-subtabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.da-subtab {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--lx-border);
  background: var(--lx-surface);
  color: var(--lx-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.da-subtab.active {
  border-color: var(--lx-brand);
  background: var(--lx-brand-soft);
  color: #fff;
}