:root[data-theme='dark'] {
  color-scheme: dark;
  /* 纯色深底，避免浅色渐变残留 */
  --gradient: linear-gradient(180deg, #0f172a, #0f172a);
  --surface: #0f172a;
  --surface-strong: #0f172a;
  --border: rgba(80,94,130,0.6);
  --border-soft: rgba(80,94,130,0.45);
  --accent: #7dd3fc;
  --accent-2: #a78bfa;
  --accent-3: #38bdf8;
  --danger: #fca5a5;
  --success: #34d399;
  --warning: #fbbf24;
  --text-primary: #e5e7eb;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --shadow: 0 26px 70px -40px rgba(0,0,0,0.72);
  --shadow-soft: 0 22px 54px -40px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] body {
  background: #0f172a !important;
  color: var(--text-primary);
}
html[data-theme='dark'] {
  background: #0f172a !important;
}

:root[data-theme='dark'] a { color: var(--accent-3); }
:root[data-theme='dark'] a:hover { color: var(--accent-2); }

:root[data-theme='dark'] header {
  background: rgba(12,20,36,0.9);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 18px 44px -28px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] main {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: var(--shadow);
  color: var(--text-primary);
}

:root[data-theme='dark'] .user-status a {
  background: rgba(24,32,48,0.85);
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .user-status .user-name {
  background: rgba(99,102,241,0.22);
  border-color: rgba(99,102,241,0.4);
  color: var(--text-primary);
}

:root[data-theme='dark'] .btn {
  box-shadow: 0 30px 60px -30px rgba(56,189,248,0.45);
}

:root[data-theme='dark'] input,
:root[data-theme='dark'] textarea,
:root[data-theme='dark'] select {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

:root[data-theme='dark'] input::placeholder,
:root[data-theme='dark'] textarea::placeholder {
  color: var(--text-muted);
}

:root[data-theme='dark'] button {
  color: var(--text-primary);
}

/* Admin dashboard */
:root[data-theme='dark'] .sticky-toc {
  background: linear-gradient(180deg, rgba(17,24,39,0.94), rgba(17,24,39,0.9)) padding-box;
  border-color: var(--border);
  box-shadow: 0 24px 60px -34px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .sticky-toc a {
  background: rgba(18,24,38,0.9);
  border-color: var(--border-soft);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .sticky-toc a.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(14,165,233,0.18));
  border-color: rgba(99,102,241,0.38);
  color: var(--text-primary);
  box-shadow: 0 14px 30px -24px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] section {
  background: var(--surface-strong);
  border-color: var(--border);
  box-shadow: var(--shadow);
}

:root[data-theme='dark'] section::before {
  background: radial-gradient(circle, rgba(99,102,241,0.18) 0%, rgba(17,24,39,0) 70%);
}

:root[data-theme='dark'] label {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .stat-card,
:root[data-theme='dark'] .pending-card,
:root[data-theme='dark'] .brand-role-card,
:root[data-theme='dark'] .activation-card,
:root[data-theme='dark'] .vector-card {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 18px 48px -32px rgba(0,0,0,0.62);
  color: var(--text-primary);
}

:root[data-theme='dark'] .stat-subtext,
:root[data-theme='dark'] .muted-note {
  color: var(--text-muted);
}

:root[data-theme='dark'] table {
  color: var(--text-primary);
}

:root[data-theme='dark'] table thead {
  background: #111827;
}

:root[data-theme='dark'] table th,
:root[data-theme='dark'] table td {
  border-color: var(--border-soft);
}

:root[data-theme='dark'] .pill {
  background: rgba(99,102,241,0.16);
  color: #c7d2fe;
  border-color: rgba(99,102,241,0.35);
}

/* History mobile report */
:root[data-theme='dark'] body.history-mobile {
  background: #0b1220;
}

:root[data-theme='dark'] .page {
  background: #0f172a;
  border: 1px solid var(--border);
  box-shadow: 0 18px 46px -28px rgba(0,0,0,0.62);
}

:root[data-theme='dark'] .fixed-header-group {
  background: rgba(12,20,36,0.92);
  border-bottom: 1px solid var(--border-soft);
}

:root[data-theme='dark'] .icon-btn {
  background: #111827;
  border: 1px solid var(--border);
  color: var(--text-primary);
  box-shadow: 0 8px 20px rgba(0,0,0,0.5);
}

:root[data-theme='dark'] .tab-switch {
  background: rgba(17,24,39,0.94);
  border-color: var(--border);
  box-shadow: 0 14px 30px -20px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .tab-btn {
  background: #0b1220;
  border-color: var(--border-soft);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .tab-btn.active {
  background: linear-gradient(135deg, #1f2937, #0f172a);
  color: #c7d2fe;
  border-color: rgba(99,102,241,0.4);
  box-shadow: 0 14px 24px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .stage-option {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: 0 6px 18px rgba(0,0,0,0.4);
}

:root[data-theme='dark'] .stage-option.active {
  background: #6366f1;
  color: #e5e7eb;
  border-color: rgba(99,102,241,0.6);
}

:root[data-theme='dark'] .title {
  color: #c7d2fe;
  background: linear-gradient(135deg, #a78bfa, #7c3aed 55%, #4f46e5);
}

:root[data-theme='dark'] .title-sub,
:root[data-theme='dark'] .notice {
  color: var(--text-muted);
}

:root[data-theme='dark'] .section {
  background: #0f172a;
  box-shadow: 0 10px 26px rgba(0,0,0,0.45);
}

:root[data-theme='dark'] .report-body {
  color: var(--text-primary);
}

:root[data-theme='dark'] .report-body h1,
:root[data-theme='dark'] .report-body h2,
:root[data-theme='dark'] .report-body h3,
:root[data-theme='dark'] .report-body strong {
  color: var(--text-primary);
}

:root[data-theme='dark'] .report-body p,
:root[data-theme='dark'] .report-body ul,
:root[data-theme='dark'] .report-body ol {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .report-body blockquote {
  background: rgba(59,73,110,0.5);
  border-left-color: #6366f1;
  color: var(--text-secondary);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}

:root[data-theme='dark'] .note-card {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 12px 22px rgba(0,0,0,0.45);
}

:root[data-theme='dark'] .note-title-wrap h4,
:root[data-theme='dark'] .note-title-wrap .note-preview {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .note-toggle-btn {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: 0 10px 18px rgba(0,0,0,0.45);
}

:root[data-theme='dark'] .note-card textarea {
  background: #0b1220;
  color: var(--text-primary);
  border-color: var(--border);
}

:root[data-theme='dark'] .note-save {
  background: linear-gradient(135deg, #6366f1, #4338ca);
  box-shadow: 0 14px 26px rgba(67,56,202,0.4);
}

:root[data-theme='dark'] .note-status {
  color: var(--text-muted);
}

:root[data-theme='dark'] .transcript-card {
  background: linear-gradient(180deg, #0f172a, #0b1220);
  border-color: rgba(99,102,241,0.32);
  box-shadow: 0 10px 24px rgba(0,0,0,0.5);
}

:root[data-theme='dark'] .transcript-toggle {
  background: linear-gradient(135deg, #0b1220, #0f172a);
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .transcript-toggle .hint {
  color: var(--text-muted);
}

:root[data-theme='dark'] .transcript-body {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.45);
}

:root[data-theme='dark'] .transcript-line::before {
  color: var(--text-muted);
}

/* Record register */
:root[data-theme='dark'] .record-shell {
  background: radial-gradient(120% 120% at 20% 10%, #0b1220 0%, #0b1220 55%, #0f172a 100%);
}

:root[data-theme='dark'] .record-phone {
  background: #0b1220;
  border-color: var(--border);
  box-shadow: 0 38px 80px -42px rgba(0,0,0,0.72);
}

:root[data-theme='dark'] .record-inner {
  color: var(--text-primary);
}

:root[data-theme='dark'] .record-topbar {
  color: var(--text-primary);
}

:root[data-theme='dark'] .round-icon-btn {
  background: #111827;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 10px 22px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .login-card {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 18px 32px -22px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .record-title {
  color: #c7d2fe;
  background: linear-gradient(135deg, #a78bfa, #7c3aed 55%, #4338ca);
}

:root[data-theme='dark'] .subtitle {
  color: var(--text-muted);
}

:root[data-theme='dark'] .form-group label {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .form-group input,
:root[data-theme='dark'] .form-group select {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .login-btn {
  background: linear-gradient(135deg, #6366f1, #4338ca);
  box-shadow: 0 18px 30px -18px rgba(67,56,202,0.55);
}

:root[data-theme='dark'] .message {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .error {
  background: rgba(239,68,68,0.12);
  border-color: rgba(239,68,68,0.45);
  color: #fecdd3;
}

:root[data-theme='dark'] .footer-note,
:root[data-theme='dark'] .footer-note a {
  color: var(--text-muted);
}

:root[data-theme='dark'] .send-btn {
  background: rgba(99,102,241,0.22);
  border-color: rgba(99,102,241,0.45);
  color: #c7d2fe;
}

/* Record profile */
:root[data-theme='dark'] .profile-shell {
  background: radial-gradient(120% 120% at 20% 10%, #0b1220 0%, #0b1220 55%, #0f172a 100%);
}

:root[data-theme='dark'] .profile-phone {
  background: #0b1220;
  border-color: var(--border);
  box-shadow: 0 38px 80px -42px rgba(0,0,0,0.72);
}

:root[data-theme='dark'] .profile-inner {
  color: var(--text-primary);
}

:root[data-theme='dark'] .profile-topbar {
  background: #0b1220;
}

:root[data-theme='dark'] .profile-title {
  color: var(--text-primary);
}

:root[data-theme='dark'] .lang-switch {
  background: #0b1220;
  border-color: var(--border);
  box-shadow: 0 10px 20px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .lang-btn {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .lang-btn.active {
  background: linear-gradient(135deg, #1f2937, #0f172a);
  color: #c7d2fe;
}

:root[data-theme='dark'] .toggle-pill {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 12px 24px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .toggle-pill i {
  color: #c7d2fe;
}

:root[data-theme='dark'] .brand-notice-banner {
  background: rgba(251,191,36,0.12);
  border-color: rgba(251,191,36,0.35);
  color: #fef9c3;
  box-shadow: 0 20px 36px -28px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .notice-card {
  background: rgba(59,73,110,0.5);
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 14px 30px -22px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .info-card {
  background: rgba(14,165,233,0.12);
  border-color: rgba(14,165,233,0.35);
  color: #bae6fd;
}

:root[data-theme='dark'] .workspace-card,
:root[data-theme='dark'] .status-card,
:root[data-theme='dark'] .morning-brief-card {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 20px 46px -26px rgba(0,0,0,0.62);
  color: var(--text-primary);
}

:root[data-theme='dark'] .workspace-card.chat-card {
  background: #0b1220;
}

:root[data-theme='dark'] .history-card {
  background: #0f172a;
  border-color: var(--border);
}

:root[data-theme='dark'] .locked-card .locked-notice {
  background: rgba(99,102,241,0.1);
  border-color: rgba(99,102,241,0.35);
  color: #c7d2fe;
}

:root[data-theme='dark'] .brand-prompt-message {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .chat-window {
  background: #0b1220;
  border-color: var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.02);
}

:root[data-theme='dark'] .message .bubble {
  color: var(--text-primary);
  border-color: var(--border);
}

:root[data-theme='dark'] .message .meta {
  color: var(--text-muted);
}

:root[data-theme='dark'] header {
  background: #0b1220;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 18px 44px -26px rgba(0,0,0,0.65);
}

:root[data-theme='dark'] .header-container h1,
:root[data-theme='dark'] .header-container .logo-text {
  color: var(--text-primary);
}

:root[data-theme='dark'] .header-link,
:root[data-theme='dark'] .user-info a {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .header-link:hover,
:root[data-theme='dark'] .user-info a:hover {
  background: rgba(99,102,241,0.16);
  border-color: rgba(99,102,241,0.38);
  color: var(--text-primary);
}

:root[data-theme='dark'] .drawer-toggle {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .chat-sidebar {
  background: #0b1220;
  border-right: 1px solid var(--border);
  box-shadow: inset -1px 0 0 rgba(255,255,255,0.03);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .sidebar-btn {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 12px 22px -16px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .chat-session-list .session,
:root[data-theme='dark'] .chat-session-list button {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .chat-session-list .session.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.22), rgba(14,165,233,0.16));
  color: var(--text-primary);
  border-color: rgba(99,102,241,0.5);
}

:root[data-theme='dark'] .chat-session-item {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: 0 10px 22px -16px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .chat-session-item:hover {
  background: rgba(99,102,241,0.18);
  border-color: rgba(99,102,241,0.4);
  color: var(--text-primary);
}

:root[data-theme='dark'] .chat-session-item.active {
  background: #1f2937 !important;
  background-image: none !important;
  border-color: rgba(99,102,241,0.55);
  color: var(--text-primary);
}

:root[data-theme='dark'] .chat-session-item .time {
  color: var(--text-muted);
  background: transparent;
}

:root[data-theme='dark'] .chat-session-row {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: 0 10px 22px -16px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .chat-session-row:hover {
  background: rgba(99,102,241,0.18);
  border-color: rgba(99,102,241,0.4);
  color: var(--text-primary);
}

:root[data-theme='dark'] .chat-session-row .time {
  color: var(--text-muted);
  background: transparent;
}

:root[data-theme='dark'] .chat-session-row.active {
  background: #1f2937 !important;
  background-image: none !important;
  border-color: rgba(99,102,241,0.55);
  color: var(--text-primary);
}

:root[data-theme='dark'] .chat-session-row.active .time {
  color: var(--text-primary);
}

:root[data-theme='dark'] .chat-session-row .delete-session {
  color: var(--text-muted);
}

:root[data-theme='dark'] .chat-session-row.active .delete-session {
  color: var(--text-primary);
}

:root[data-theme='dark'] .btn {
  background: linear-gradient(135deg, rgba(59,130,246,0.9), rgba(99,102,241,0.85));
  color: #e5e7eb;
  box-shadow: 0 24px 48px -30px rgba(59,130,246,0.45);
}

:root[data-theme='dark'] .btn.secondary {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: none;
}

:root[data-theme='dark'] .btn.danger {
  background: linear-gradient(135deg, rgba(239,68,68,0.9), rgba(185,28,28,0.9));
  box-shadow: 0 24px 44px -32px rgba(239,68,68,0.35);
}

:root[data-theme='dark'] button:disabled {
  background: rgba(255,255,255,0.08);
  color: var(--text-muted);
  box-shadow: none;
}

:root[data-theme='dark'] body.history-page {
  background: #0b1220;
  color: var(--text-primary);
}

:root[data-theme='dark'] .page-header {
  background: rgba(11,18,32,0.96);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 16px 36px -24px rgba(0,0,0,0.65);
}

:root[data-theme='dark'] .page-header h1,
:root[data-theme='dark'] .page-header .page-label {
  color: var(--text-primary);
}

:root[data-theme='dark'] .user-info a,
:root[data-theme='dark'] .user-info span {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .tab-pill {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .tab-pill.is-active {
  background: linear-gradient(135deg, rgba(99,102,241,0.24), rgba(14,165,233,0.16));
  border-color: rgba(99,102,241,0.45);
  color: var(--text-primary);
}

:root[data-theme='dark'] .filters {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 18px 40px -26px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .filters input,
:root[data-theme='dark'] .filters select {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .filters input::placeholder {
  color: var(--text-muted);
}

:root[data-theme='dark'] .record-card,
:root[data-theme='dark'] .history-card-block {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 18px 40px -28px rgba(0,0,0,0.62);
  color: var(--text-primary);
}

:root[data-theme='dark'] .record-card h3,
:root[data-theme='dark'] .record-card .meta,
:root[data-theme='dark'] .history-card-block h4 {
  color: var(--text-primary);
}

:root[data-theme='dark'] .record-card .meta small {
  color: var(--text-muted);
}

:root[data-theme='dark'] .stage-badge,
:root[data-theme='dark'] .tag {
  background: rgba(99,102,241,0.2);
  border-color: rgba(99,102,241,0.4);
  color: #c7d2fe;
}

:root[data-theme='dark'] .pagination button,
:root[data-theme='dark'] .pagination .page-info {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .pagination button.active {
  background: rgba(99,102,241,0.26);
  color: var(--text-primary);
  border-color: rgba(99,102,241,0.45);
}

:root[data-theme='dark'] .pagination button:hover {
  background: rgba(99,102,241,0.18);
  color: var(--text-primary);
}

:root[data-theme='dark'] .chip,
:root[data-theme='dark'] .chip.warning,
:root[data-theme='dark'] .chip.info {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .chip.success {
  background: rgba(52,211,153,0.16);
  border-color: rgba(52,211,153,0.35);
  color: #bbf7d0;
}

:root[data-theme='dark'] .chip.danger {
  background: rgba(248,113,113,0.14);
  border-color: rgba(248,113,113,0.4);
  color: #fecdd3;
}

:root[data-theme='dark'] .history-sidebar {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .history-sidebar .filter-group label {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .history-sidebar input,
:root[data-theme='dark'] .history-sidebar select {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .history-sidebar .filter-chip {
  background: rgba(99,102,241,0.16);
  border-color: rgba(99,102,241,0.35);
  color: #c7d2fe;
}

:root[data-theme='dark'] .history-sidebar .filter-chip.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.22), rgba(14,165,233,0.18));
  border-color: rgba(99,102,241,0.45);
}

:root[data-theme='dark'] .history-sidebar button {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .history-sidebar button:hover {
  background: rgba(99,102,241,0.16);
  color: var(--text-primary);
}

:root[data-theme='dark'] .mini-feedback button {
  background: rgba(255,255,255,0.08);
  border-color: var(--border);
  color: #e0e0e0;
  box-shadow: 0 8px 18px -12px rgba(0,0,0,0.5);
}

:root[data-theme='dark'] .mini-feedback button,
:root[data-theme='dark'] .mini-feedback button:hover,
:root[data-theme='dark'] .mini-feedback button.is-done,
:root[data-theme='dark'] .mini-feedback button:disabled {
  background: rgba(31,41,55,0.9);
}

:root[data-theme='dark'] .mini-feedback button:hover:not(.is-done):not(:disabled) {
  background: rgba(99,102,241,0.22);
}

:root[data-theme='dark'] .mini-feedback button:hover:not(.is-done):not(:disabled) {
  background: rgba(99,102,241,0.18);
  border-color: rgba(99,102,241,0.4);
  color: #e5e7eb;
}

:root[data-theme='dark'] .mini-feedback button.is-done,
:root[data-theme='dark'] .mini-feedback button:disabled {
  background: rgba(255,255,255,0.06);
  border-color: var(--border);
  color: var(--text-muted);
  box-shadow: none;
}

:root[data-theme='dark'] .history-empty {
  color: var(--text-muted);
  background: #0f172a;
  border: 1px dashed var(--border);
}

:root[data-theme='dark'] .brand-chip {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .brand-chip:hover {
  background: rgba(99,102,241,0.16);
  border-color: rgba(99,102,241,0.4);
  color: var(--text-primary);
}

:root[data-theme='dark'] .brand-chip.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.26), rgba(14,165,233,0.18));
  color: var(--text-primary);
  box-shadow: 0 14px 28px -20px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .pagination-bar .page-summary {
  color: var(--text-muted);
}

:root[data-theme='dark'] .page-btn {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: 0 10px 22px -16px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .page-btn:hover {
  background: rgba(99,102,241,0.16);
  color: var(--text-primary);
}

:root[data-theme='dark'] .page-btn.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.32), rgba(14,165,233,0.2));
  color: var(--text-primary);
  border-color: rgba(99,102,241,0.5);
  box-shadow: 0 16px 28px -22px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .brand-tag,
:root[data-theme='dark'] .owner-tag {
  background: rgba(99,102,241,0.16);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

:root[data-theme='dark'] .flash {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: 0 12px 32px -26px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .flash i {
  color: #c7d2fe;
}

:root[data-theme='dark'] main {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: var(--shadow);
}

:root[data-theme='dark'] .list-item {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 16px 34px -28px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .record-group {
  border-top-color: var(--border);
}

:root[data-theme='dark'] .record-content {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .record-content .token-usage-line.record-usage {
  color: var(--text-muted);
}

:root[data-theme='dark'] .record-delete-btn {
  background: rgba(248,113,113,0.16);
  border-color: rgba(248,113,113,0.45);
  color: #fecdd3;
  box-shadow: 0 10px 26px -20px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .task-status-card {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 12px 28px -22px rgba(0,0,0,0.55);
  color: var(--text-primary);
}

:root[data-theme='dark'] .task-status-card h4 {
  color: var(--text-primary);
}

:root[data-theme='dark'] .task-status-summary {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .task-status-meta {
  color: var(--text-muted);
}

:root[data-theme='dark'] .task-toggle {
  background: rgba(99,102,241,0.16);
  color: #c7d2fe;
}

:root[data-theme='dark'] .task-toggle:hover {
  background: rgba(99,102,241,0.22);
}

:root[data-theme='dark'] .task-status-list li {
  border-color: var(--border);
}

:root[data-theme='dark'] .task-status-list li span.status-label {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .task-status-list li span.status-meta {
  color: var(--text-muted);
}

:root[data-theme='dark'] .task-status-empty {
  color: var(--text-muted);
  border-color: var(--border);
}

:root[data-theme='dark'] .record-tags {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .record-detail {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .record-detail p,
:root[data-theme='dark'] .record-detail ul,
:root[data-theme='dark'] .record-detail ol {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .tag {
  background: rgba(99,102,241,0.16);
  border-color: rgba(99,102,241,0.35);
  color: #c7d2fe;
}

:root[data-theme='dark'] .tag i {
  color: #c7d2fe;
}

:root[data-theme='dark'] .tag.admin {
  background: rgba(59,130,246,0.2);
  border-color: rgba(59,130,246,0.45);
  color: #dbeafe;
}

:root[data-theme='dark'] .tag.tag-focus {
  border-color: #fb923c;
  color: #fed7aa;
}

:root[data-theme='dark'] .record-audio {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 6px 14px rgba(0,0,0,0.5);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .record-audio-head {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .record-audio audio {
  background: #0b1220;
  border-color: var(--border);
}

:root[data-theme='dark'] .record-transcript {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .record-transcript .hint {
  color: var(--text-muted);
}

:root[data-theme='dark'] .record-transcript-body {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .history-entry details.report-details {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 16px 34px -26px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .history-entry details.report-details summary.report-toggle {
  background: #1f2937;
  border-color: var(--border);
  color: #c7d2fe;
}

:root[data-theme='dark'] .history-entry details.report-details summary.report-toggle:hover {
  background: rgba(99,102,241,0.18);
  border-color: rgba(99,102,241,0.45);
  color: #e5e7eb;
}

:root[data-theme='dark'] .history-entry details.report-details > *:not(summary) {
  background: #0b1220;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
}

:root[data-theme='dark'] .entry-header-line {
  background: #0f172a;
  border: 1px solid var(--border);
}

:root[data-theme='dark'] .entry-index,
:root[data-theme='dark'] .entry-meta .ts-text,
:root[data-theme='dark'] .entry-meta {
  color: var(--text-primary);
}

:root[data-theme='dark'] .history-top-pagination {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .history-top-pagination a {
  background: #0b1220;
  border-color: var(--border);
  color: #e5e7eb;
}

:root[data-theme='dark'] .history-top-pagination a:hover {
  background: rgba(99,102,241,0.2);
  border-color: rgba(99,102,241,0.45);
  color: #fff;
}

:root[data-theme='dark'] .focus-hint-group {
  background: #0f172a;
  border-color: var(--border);
}

:root[data-theme='dark'] .focus-hint-toggle {
  color: var(--text-primary);
}

:root[data-theme='dark'] .focus-hint-toggle-main i,
:root[data-theme='dark'] .focus-hint-chevron {
  color: #c7d2fe;
}

:root[data-theme='dark'] .focus-hint-optional {
  background: rgba(99,102,241,0.2);
  color: #c7d2fe;
}

:root[data-theme='dark'] .focus-hint-preview {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .focus-hint-feedback {
  color: var(--text-muted);
}

:root[data-theme='dark'] .brand-prompt-modal {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 32px 64px -32px rgba(0,0,0,0.7);
  color: var(--text-primary);
}

:root[data-theme='dark'] .brand-prompt-header h3 {
  color: var(--text-primary);
}

:root[data-theme='dark'] .brand-prompt-brand {
  background: rgba(99,102,241,0.2);
  border-color: rgba(99,102,241,0.45);
  color: #c7d2fe;
}

:root[data-theme='dark'] .brand-prompt-message {
  color: var(--text-secondary);
}

:root[data-theme='dark'] #brand-generator-answer,
:root[data-theme='dark'] #brand-prompt-textarea {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
}

:root[data-theme='dark'] #brand-generator-answer::placeholder,
:root[data-theme='dark'] #brand-prompt-textarea::placeholder {
  color: var(--text-muted);
}

:root[data-theme='dark'] #brand-generator-progress,
:root[data-theme='dark'] #brand-generator-question {
  color: var(--text-primary);
}

:root[data-theme='dark'] .brand-generator-example {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .brand-generator-example-fill {
  background: rgba(99,102,241,0.16);
  border: 1px solid rgba(99,102,241,0.4);
  color: #c7d2fe;
}

:root[data-theme='dark'] .brand-generator-preview {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .brand-generator-review-label {
  color: var(--text-muted);
}

:root[data-theme='dark'] .brand-generator-review-input {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .brand-generator-review-example {
  background: rgba(99,102,241,0.16);
  border-color: rgba(99,102,241,0.4);
  color: #c7d2fe;
}

:root[data-theme='dark'] .brand-generator-review-fill {
  background: rgba(99,102,241,0.18);
  border: 1px solid rgba(99,102,241,0.45);
  color: #e5e7eb;
}

:root[data-theme='dark'] .brand-generator-review-fill:hover {
  background: rgba(99,102,241,0.24);
}

:root[data-theme='dark'] .brand-generator-preview-content {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

/* 兜底：策略/摘要中可能插入的内联浅色卡片，强制暗色化 */
:root[data-theme='dark'] .strategy-rich > div[style] {
  background: #0f172a !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
  box-shadow: 0 10px 24px -18px rgba(0,0,0,0.55) !important;
}
:root[data-theme='dark'] .strategy-rich > div[style] p {
  color: var(--text-secondary) !important;
}
:root[data-theme='dark'] .strategy-rich > div[style] strong {
  color: var(--text-primary) !important;
}

:root[data-theme='dark'] .note-toggle {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 8px 18px -12px rgba(0,0,0,0.5);
}

:root[data-theme='dark'] .note-toggle:hover {
  background: rgba(99,102,241,0.18);
  border-color: rgba(99,102,241,0.4);
}

:root[data-theme='dark'] .note-collapse {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .note-label {
  color: var(--text-muted);
}

:root[data-theme='dark'] .note-textarea {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

:root[data-theme='dark'] .note-textarea::placeholder {
  color: var(--text-muted);
}

:root[data-theme='dark'] .note-save {
  background: linear-gradient(135deg, #6366f1, #4338ca);
  color: #e5e7eb;
  box-shadow: 0 14px 28px -18px rgba(67,56,202,0.45);
}

:root[data-theme='dark'] .note-save:disabled {
  background: rgba(255,255,255,0.08);
  color: var(--text-muted);
  box-shadow: none;
}

:root[data-theme='dark'] .chat-session-left .title {
  color: var(--text-primary);
}

/* Profile page */
:root[data-theme='dark'] .profile-page main {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: var(--shadow);
  color: var(--text-primary);
}

:root[data-theme='dark'] .profile-page .card {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 16px 36px -24px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .profile-page .card h2 {
  color: var(--text-primary);
}

:root[data-theme='dark'] .profile-page label,
:root[data-theme='dark'] .profile-page .section-header {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .profile-page input[type="text"],
:root[data-theme='dark'] .profile-page input[type="password"],
:root[data-theme='dark'] .profile-page input[type="email"],
:root[data-theme='dark'] .profile-page select,
:root[data-theme='dark'] .profile-page textarea {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

:root[data-theme='dark'] .profile-page input::placeholder,
:root[data-theme='dark'] .profile-page textarea::placeholder {
  color: var(--text-muted);
}

:root[data-theme='dark'] .profile-page .flash {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: 0 12px 28px -22px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .profile-page .flash.success {
  background: rgba(34,197,94,0.12);
  border-color: rgba(34,197,94,0.35);
  color: #bbf7d0;
}

:root[data-theme='dark'] .profile-page .flash.error {
  background: rgba(239,68,68,0.14);
  border-color: rgba(239,68,68,0.35);
  color: #fecdd3;
}

:root[data-theme='dark'] .profile-page .flash.info {
  background: rgba(59,130,246,0.12);
  border-color: rgba(59,130,246,0.32);
  color: #c7d2fe;
}

:root[data-theme='dark'] .profile-page .account-card,
:root[data-theme='dark'] .profile-page .card.account-card {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .profile-page .card .hint,
:root[data-theme='dark'] .profile-page .token-inline-line,
:root[data-theme='dark'] .profile-page .account-meta .row .label,
:root[data-theme='dark'] .profile-page .customer-type-hint,
:root[data-theme='dark'] .profile-page .hint {
  color: var(--text-muted);
}

:root[data-theme='dark'] .profile-page .account-meta .row .value,
:root[data-theme='dark'] .profile-page .feature-value {
  color: var(--text-primary);
}

:root[data-theme='dark'] .profile-page .membership-detail {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .profile-page .membership-pill {
  background: rgba(99,102,241,0.18);
  border: 1px solid rgba(99,102,241,0.4);
  color: #c7d2fe;
}

:root[data-theme='dark'] .profile-page .status-pill {
  background: #0b1220;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .profile-page .customer-type-grid label,
:root[data-theme='dark'] .profile-page .stage-grid label {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .profile-page .customer-type-grid input,
:root[data-theme='dark'] .profile-page .stage-grid input {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .profile-page .account-email-collapse,
:root[data-theme='dark'] .profile-page .account-email-form,
:root[data-theme='dark'] .profile-page .account-email-form .form-row {
  background: #0f172a;
  color: var(--text-primary);
}

:root[data-theme='dark'] .profile-page .account-email-form input {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .profile-page .account-email-form .hint,
:root[data-theme='dark'] .profile-page .account-card .hint,
:root[data-theme='dark'] .profile-page .token-inline-line {
  color: var(--text-muted);
}

:root[data-theme='dark'] .profile-page .avatar-preview,
:root[data-theme='dark'] .profile-page .avatar-preview img {
  background: #0b1220;
  border-color: var(--border);
}

:root[data-theme='dark'] .profile-page .btn.secondary,
:root[data-theme='dark'] .profile-page .btn.tertiary {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
  box-shadow: none;
}

:root[data-theme='dark'] .profile-page .btn.secondary:hover,
:root[data-theme='dark'] .profile-page .btn.tertiary:hover {
  background: rgba(99,102,241,0.2);
  border-color: rgba(99,102,241,0.4);
  color: var(--text-primary);
}

:root[data-theme='dark'] .page-btn,
:root[data-theme='dark'] .page-btn:hover {
  box-shadow: 0 10px 22px -16px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .task-status-summary .summary-item {
  background: rgba(255,255,255,0.1);
  border-color: var(--border);
  color: #e5e7eb;
}

:root[data-theme='dark'] .task-status-summary .summary-item strong {
  color: #ffffff;
}

:root[data-theme='dark'] .history-refresh-btn {
  color: #c7d2fe;
  background: rgba(99,102,241,0.18);
  border-color: rgba(99,102,241,0.45);
}

:root[data-theme='dark'] .history-refresh-btn:hover:not(:disabled) {
  background: rgba(99,102,241,0.26);
  border-color: rgba(99,102,241,0.55);
}

:root[data-theme='dark'] .entry-meta {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .entry-meta i {
  color: #c7d2fe;
}

:root[data-theme='dark'] .entry-chip {
  background: rgba(99,102,241,0.18);
  color: #e5e7eb;
}

:root[data-theme='dark'] .entry-chip-owner {
  background: rgba(14,165,233,0.2);
  color: #e0f2fe;
}

:root[data-theme='dark'] .funnel-pill {
  background: rgba(99,102,241,0.16);
  border-color: rgba(99,102,241,0.45);
  color: #e5e7eb;
  box-shadow: 0 10px 22px -16px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .stage-selector {
  background: #0b1220;
  border-color: var(--border);
}

:root[data-theme='dark'] .stage-label {
  color: var(--text-muted);
}

:root[data-theme='dark'] .stage-btn {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .stage-btn:hover:not([disabled]) {
  background: rgba(99,102,241,0.2);
  border-color: rgba(99,102,241,0.45);
  color: var(--text-primary);
}

:root[data-theme='dark'] .stage-btn.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.32), rgba(14,165,233,0.24));
  color: var(--text-primary);
  border: 1px solid rgba(99,102,241,0.5);
  box-shadow: 0 12px 26px -18px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .stage-btn[disabled] {
  background: rgba(255,255,255,0.06);
  color: var(--text-muted);
  border-color: var(--border);
}

:root[data-theme='dark'] .entry-report {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 16px 40px -28px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .entry-report .report-body {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .filters-toggle {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 14px 30px -22px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .filters-toggle:hover {
  background: rgba(99,102,241,0.18);
  border-color: rgba(99,102,241,0.45);
}

:root[data-theme='dark'] .filters-toggle-icon {
  color: #c7d2fe;
}

:root[data-theme='dark'] .strategy-card {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 20px 38px -26px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .strategy-card-header h2 {
  color: var(--text-primary);
}

:root[data-theme='dark'] .strategy-card-body {
  border-top-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .strategy-hint {
  color: var(--text-muted);
}

:root[data-theme='dark'] .strategy-rich {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .strategy-rich h3 {
  color: var(--text-primary);
}

:root[data-theme='dark'] .strategy-rich h3::before {
  background: #c7d2fe;
}

:root[data-theme='dark'] .strategy-rich strong {
  color: var(--text-primary);
}

:root[data-theme='dark'] .funnel-summary {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 16px 36px -26px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .funnel-summary::after {
  background: radial-gradient(circle, rgba(99,102,241,0.14) 0%, rgba(15,23,42,0) 70%);
}

:root[data-theme='dark'] .funnel-summary-header h2,
:root[data-theme='dark'] .funnel-summary-header span {
  color: var(--text-primary);
}

:root[data-theme='dark'] .funnel-summary .chip-row button,
:root[data-theme='dark'] .chip-row button {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-secondary);
}

:root[data-theme='dark'] .chip-row button:hover {
  background: rgba(99,102,241,0.2);
  border-color: rgba(99,102,241,0.4);
  color: var(--text-primary);
}

:root[data-theme='dark'] .funnel-legend li {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 12px 26px -20px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .funnel-legend li span:last-child {
  color: var(--text-muted);
}

:root[data-theme='dark'] .funnel-total {
  background: rgba(99,102,241,0.16);
  border-color: rgba(99,102,241,0.35);
  color: #e5e7eb;
}

:root[data-theme='dark'] .history-page .funnel-legend li {
  background: #0f172a !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
  box-shadow: 0 12px 26px -20px rgba(0,0,0,0.55) !important;
}

:root[data-theme='dark'] .history-page .funnel-legend li span:last-child {
  color: var(--text-muted) !important;
}

/* 强制兜底：无类名时也覆盖漏斗图例 */
:root[data-theme='dark'] .funnel-legend li {
  background: #0f172a !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}
:root[data-theme='dark'] .funnel-legend li span:last-child {
  color: var(--text-muted) !important;
}

/* Extra specificity to squash light overrides */
html[data-theme='dark'] .funnel-legend li {
  background: #0f172a !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
  box-shadow: 0 12px 26px -20px rgba(0,0,0,0.55) !important;
}
html[data-theme='dark'] .funnel-legend li span:last-child {
  color: var(--text-muted) !important;
}
html[data-theme='dark'] .funnel-bar {
  background: #0b1220 !important;
}

html[data-theme='dark'] body,
html[data-theme='dark'] main,
html[data-theme='dark'] #chat,
html[data-theme='dark'] .tab-content,
html[data-theme='dark'] .workspace-card.chat-card,
html[data-theme='dark'] .chat-layout,
html[data-theme='dark'] .chat-main,
html[data-theme='dark'] .chat-body,
html[data-theme='dark'] .chat-window {
  background-color: #0f172a !important;
}

html[data-theme='dark'] .chat-window .message.bot {
  background: transparent !important;
  border: none !important;
}


:root[data-theme='dark'] .brand-notice-banner i { color: #fbbf24; }

:root[data-theme='dark'] .message.user .bubble {
  background: linear-gradient(135deg, #1f2937, #0f172a);
  color: #e5e7eb;
}

:root[data-theme='dark'] .message.bot .bubble {
  background: #0f172a;
  color: var(--text-primary);
}

:root[data-theme='dark'] .morning-brief-bubble {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 12px 28px -20px rgba(0,0,0,0.6);
}

/* 强制聊天侧边列表在暗色下去除渐变底色 */
html[data-theme='dark'] #chat-session-list .chat-session-row {
  background: #0f172a !important;
  border-color: var(--border) !important;
  color: var(--text-primary);
  background-image: none !important;
}
html[data-theme='dark'] #chat-session-list .chat-session-row .time {
  background: transparent !important;
  color: var(--text-muted);
}
html[data-theme='dark'] #chat-session-list .chat-session-row.active {
  background: #1f2937 !important;
  background-image: none !important;
  border-color: rgba(99,102,241,0.55) !important;
  color: var(--text-primary) !important;
  box-shadow: 0 10px 24px -16px rgba(59,130,246,0.35) !important;
}
html[data-theme='dark'] #chat-session-list .chat-session-row.active .time {
  color: var(--text-primary) !important;
}
html[data-theme='dark'] #chat-session-list .chat-session-row.active::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, #38bdf8, #6366f1);
}
html[data-theme='dark'] #chat-session-list .chat-session-left .title {
  background: transparent !important;
  color: var(--text-primary) !important;
}
html[data-theme='dark'] #chat-session-list .chat-session-left .time {
  background: transparent !important;
}
html[data-theme='dark'] .message.bot {
  background: transparent !important;
}
html[data-theme='dark'] .chat-window .message.bot {
  background: transparent !important;
  border: none !important;
}
html[data-theme='dark'] .tab-content,
html[data-theme='dark'] #chat,
html[data-theme='dark'] .chat-layout,
html[data-theme='dark'] .workspace-card.chat-card {
  background: #0f172a !important;
}
html[data-theme='dark'] .chat-window .message {
  background: transparent !important;
}

html[data-theme='dark'] .message {
  background: transparent !important;
  border-color: transparent !important;
}

html[data-theme='dark'] .workspace-card.chat-card {
  background: var(--surface) !important;
  border-color: var(--border) !important;
}

:root[data-theme='dark'] .morning-brief-header,
:root[data-theme='dark'] .morning-brief-title,
:root[data-theme='dark'] .morning-brief-meta {
  color: var(--text-primary);
}

:root[data-theme='dark'] .message .copy-btn {
  background: rgba(255,255,255,0.04);
  color: var(--text-muted);
}

:root[data-theme='dark'] .chat-input {
  background: #0b1220;
  border-color: var(--border);
  box-shadow: 0 12px 28px -18px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .chat-input-row {
  background: #0f172a;
  border-color: var(--border);
}

:root[data-theme='dark'] .chat-input input {
  background: #0b1220;
  color: var(--text-primary);
  border-color: var(--border);
}

:root[data-theme='dark'] .chat-input .chat-retrieve-toggle {
  background: rgba(99,102,241,0.16);
  color: #c7d2fe;
  border-color: rgba(99,102,241,0.35);
}

:root[data-theme='dark'] .toast-message {
  background: #0f172a;
  color: var(--text-primary);
  border-color: var(--border);
  box-shadow: 0 16px 32px -18px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .morning-brief-card {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 18px 40px -28px rgba(0,0,0,0.62);
}

:root[data-theme='dark'] .morning-brief-tag {
  background: rgba(99,102,241,0.18);
  border-color: rgba(99,102,241,0.38);
  color: #c7d2fe;
}

:root[data-theme='dark'] .morning-brief-section h4 {
  color: var(--text-primary);
}

:root[data-theme='dark'] .morning-brief-section p {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .moment-suggestion {
  background: #0b1220;
  border-color: var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

:root[data-theme='dark'] .moment-text {
  color: var(--text-primary);
}

:root[data-theme='dark'] .moment-hint {
  color: var(--text-muted);
}

:root[data-theme='dark'] .hero-card {
  background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(59,130,246,0.12));
  border-color: rgba(99,102,241,0.35);
  box-shadow: 0 20px 44px -28px rgba(0,0,0,0.6);
}

:root[data-theme='dark'] .avatar {
  background: #111827;
  border-color: var(--border);
  color: #c7d2fe;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 10px 18px rgba(0,0,0,0.55);
}

:root[data-theme='dark'] .hero-name {
  color: var(--text-primary);
}

:root[data-theme='dark'] .hero-email {
  color: var(--text-muted);
}

:root[data-theme='dark'] .chip {
  background: #0f172a;
  border-color: var(--border);
  color: var(--text-primary);
  box-shadow: 0 6px 16px rgba(0,0,0,0.45);
}

:root[data-theme='dark'] .chip.pro { background: rgba(59,130,246,0.16); color: #bfdbfe; border-color: rgba(59,130,246,0.45); }
:root[data-theme='dark'] .chip.trial { background: rgba(219,39,119,0.18); color: #f9a8d4; border-color: rgba(219,39,119,0.4); }
:root[data-theme='dark'] .chip.expired { background: rgba(180,83,9,0.18); color: #fcd34d; border-color: rgba(180,83,9,0.45); }

:root[data-theme='dark'] .section-title {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .mini-card,
:root[data-theme='dark'] .setting-card,
:root[data-theme='dark'] .collapse {
  background: #0f172a;
  border-color: var(--border);
  box-shadow: 0 12px 26px rgba(0,0,0,0.5);
}

:root[data-theme='dark'] .mini-card .label,
:root[data-theme='dark'] .mini-card .meta {
  color: var(--text-muted);
}

:root[data-theme='dark'] .mini-card .value {
  color: var(--text-primary);
}

:root[data-theme='dark'] .form-group label {
  color: var(--text-secondary);
}

:root[data-theme='dark'] .form-group input[type="file"],
:root[data-theme='dark'] .form-group input[type="password"] {
  background: #0b1220;
  border-color: var(--border);
  color: var(--text-primary);
}

:root[data-theme='dark'] .collapse-header {
  color: var(--text-primary);
}

:root[data-theme='dark'] .collapse-indicator,
:root[data-theme='dark'] .usage-line {
  color: var(--text-muted);
}

:root[data-theme='dark'] .logout-btn {
  background: linear-gradient(135deg, rgba(248,113,113,0.14), rgba(239,68,68,0.16));
  border-color: rgba(248,113,113,0.5);
  color: #fecdd3;
  box-shadow: 0 12px 26px rgba(0,0,0,0.45);
}

:root[data-theme='dark'] .footer-note {
  color: var(--text-muted);
}