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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #232734;
  --border: #2a2e3a;
  --text: #e4e6ed;
  --text2: #8b8fa3;
  --accent: #5b8def;
  --accent2: #43c6a8;
  --danger: #f0645a;
  --warn: #f0b34b;
  --purple: #a78bfa;
  --radius: 0px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

html, body { height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

#app { display: flex; height: 100vh; }

/* Sidebar */
.sidebar {
  width: 200px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  flex-shrink: 0;
}
.logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  padding: 0 12px 24px;
  color: var(--accent);
}
.nav-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text2);
  font-size: 14px;
  padding: 10px 12px;
  cursor: pointer;
  transition: 0.15s;
  font-family: var(--font);
}
.nav-btn:hover { background: var(--surface2); color: var(--text); }
.nav-btn.active { background: var(--accent); color: #fff; font-weight: 500; }

/* Sidebar footer */
.sidebar {
  display: flex;
  flex-direction: column;
}
.sidebar nav {
  flex: 1;
}
.sidebar-footer {
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  display:flex; flex-direction:column; gap:6px;
}
.version-info {
  display: flex; gap: 8px; align-items: center;
  font-size: 10px; color: var(--text3); font-family: monospace;
}
.version-server::before { content: "⚙️ "; }
.version-client::before { content: "📡 "; }
.sidebar-footer-actions { display:flex; flex-direction:column; gap:4px; }
.sidebar-foot-btn { width:100%; font-size:11px; padding:5px 8px; text-align:center; }
.lang-toggle {
  width: 100%;
  padding: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font);
  transition: 0.15s;
}
.lang-toggle:hover {
  background: var(--border);
  color: var(--text);
}

/* Main */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.topbar h1 { font-size: 18px; font-weight: 600; }
.topbar-actions { display: flex; align-items: stretch; }
.topbar-actions > * { display: flex; align-items: center; box-sizing: border-box; }
.last-check {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 12px;
  padding: 5px 12px;
  cursor: pointer;
  border-radius: 0;
  font-family: var(--font);
  transition: 0.15s;
  white-space: nowrap;
}
.last-check:hover { background: var(--border); color: var(--text); }

/* Views */
.view { display: none; overflow-y: auto; flex: 1; }
.view.active { display: block; }

/* Cards */
.card {
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--border);
  padding: 20px;
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}
.stat-card {
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--border);
  padding: 16px;
}
.stat-card .stat-value { font-size: 26px; font-weight: 700; }
.stat-card .stat-label { color: var(--text2); font-size: 12px; }
.stat-card .stat-sub { font-size: 11px; color: var(--text2); }

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
}
.charts-grid .card { padding: 14px; }
.charts-grid canvas { max-height: 200px; }
.chart-fullwidth { grid-column: 1 / -1; padding: 14px; margin-top: 0; }
.chart-fullwidth canvas { max-height: 260px; }
.cat-timeline-header { display:flex; align-items:center; gap:12px; flex-wrap:wrap; margin-bottom:8px; }
.cat-timeline-header > span:first-child { flex-shrink:0; }
.cat-timeline-range { font-size:11px; color:var(--text2); flex:1; }
.cat-timeline-controls { display:flex; align-items:center; gap:4px; margin-left:auto; }
.cat-timeline-controls select { font-size:11px; padding:3px 8px; min-width:80px; }
.cat-timeline-controls .btn-sm { font-size:11px; padding:3px 8px; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--text2); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
td { font-size: 13px; }
tr:last-child td { border-bottom: none; }
tr.clickable { cursor: pointer; transition: 0.1s; }
tr.clickable:hover { background: var(--surface2); }

.favicon { width: 16px; height: 16px; vertical-align: middle; }
.favicon-sm { width: 14px; height: 14px; vertical-align: middle; margin-right: 10px;}
.site-filter-active { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.favicon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border: none;
  background: var(--surface2); color: var(--text2); cursor: pointer;
  font-size: 12px; transition: 0.15s;
}
.favicon-btn:hover { background: var(--border); }
.favicon-btn.loading { pointer-events: none; opacity: 0.5; }
.favicon-btn.loading::after {
  content: ''; display: inline-block; width: 12px; height: 12px;
  border: 2px solid var(--text2); border-top-color: transparent;
  animation: spin 0.6s linear infinite;
}
.favicon-btn.loading .btn-text { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.client-badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  background: var(--surface2); color: var(--accent); font-size: 11px;
  font-weight: 600;
}

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
}
.status-ok { background: rgba(67, 198, 168, 0.15); color: var(--accent2); }
.status-blocked { background: rgba(240, 100, 90, 0.15); color: var(--danger); }
.status-degraded { background: rgba(240, 179, 75, 0.15); color: var(--warn); }
.status-never { background: var(--surface2); color: var(--text2); }

/* Block level badges */
.block-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
}
#block-levels-bar .block-badge {
  padding: 4px 10px;
}
.block-none { background: rgba(67, 198, 168, 0.15); color: var(--accent2); }
.block-dns { background: rgba(91, 141, 239, 0.2); color: var(--accent); }
.block-tcp { background: rgba(240, 100, 90, 0.2); color: var(--danger); }
.block-tls_sni { background: rgba(240, 179, 75, 0.2); color: var(--warn); }
.block-tspu_dpi { background: rgba(167, 139, 250, 0.2); color: var(--purple); }
.block-service_down { background: rgba(240, 100, 90, 0.15); color: var(--danger); }
.block-service_error { background: rgba(240, 179, 75, 0.15); color: var(--warn); }
.block-slow { background: rgba(91, 141, 239, 0.15); color: var(--accent); }

/* Score badges */
.score-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
}
.score-ok { background: rgba(67, 198, 168, 0.2); color: var(--accent2); }
.score-warn { background: rgba(240, 179, 75, 0.2); color: var(--warn); }
.score-fail { background: rgba(240, 100, 90, 0.2); color: var(--danger); }

/* VPN Indicator */
.vpn-indicator {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
  user-select: none;
  border: 1px solid var(--border);
}
.vpn-indicator.vpn-on {
  background: rgba(67, 198, 168, 0.12);
  border-color: rgba(67, 198, 168, 0.3);
  color: var(--accent2);
}
.vpn-indicator.vpn-off {
  background: rgba(240, 100, 90, 0.08);
  border-color: rgba(240, 100, 90, 0.2);
  color: var(--text2);
}
.vpn-indicator.vpn-on::before { content: "🛡️"; }
.vpn-indicator.vpn-off::before { content: "🔓"; }

/* Buttons */
.btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 16px;
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font);
  transition: 0.15s;
}
.btn:hover { background: var(--border); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.85; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-icon { background: none; border: none; color: var(--text2); cursor: pointer; padding: 4px 8px; font-size: 13px; }
.btn-icon:hover { background: var(--surface2); color: var(--text); }
.btn-danger { color: var(--danger); }
.btn-danger:hover { background: rgba(240, 100, 90, 0.1); color: var(--danger); }

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

/* Inputs */
.input {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  font-family: var(--font);
  outline: none;
  transition: 0.15s;
}
.input:focus { border-color: var(--accent); }
select.input { cursor: pointer; }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
  z-index: 100;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
  width: 420px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
}
.modal-wide { width: 800px; }
.modal > * + * { margin-top: 16px; }
.modal form > * + * { margin-top: 12px; }
#check-url-result > * + * { margin-top: 12px; }
.modal h2 { font-size: 16px; font-weight: 600; }
.modal label { display: block; margin-bottom: 12px; font-size: 12px; color: var(--text2); }
.modal label .input { width: 100%; margin-top: 4px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

.form-row { display: flex; align-items: flex-end; }
#check-url-add-fields > * + * { margin-top: 12px; }
.form-grow { flex: 1; }
.form-check { display: flex; align-items: center; padding-bottom: 4px; }
input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }

/* Block level banner */
.block-level-banner {
  padding: 12px 16px;
  margin-bottom: 0;
  font-size: 13px;
  font-weight: 500;
}
.block-banner-ok { background: rgba(67, 198, 168, 0.1); box-shadow: 0 0 0 1px rgba(67, 198, 168, 0.3); color: var(--accent2); }
.block-banner-dns { background: rgba(91, 141, 239, 0.1); box-shadow: 0 0 0 1px rgba(91, 141, 239, 0.3); color: var(--accent); }
.block-banner-tcp { background: rgba(240, 100, 90, 0.1); box-shadow: 0 0 0 1px rgba(240, 100, 90, 0.3); color: var(--danger); }
.block-banner-tls_sni { background: rgba(240, 179, 75, 0.1); box-shadow: 0 0 0 1px rgba(240, 179, 75, 0.3); color: var(--warn); }
.block-banner-tspu_dpi { background: rgba(167, 139, 250, 0.1); box-shadow: 0 0 0 1px rgba(167, 139, 250, 0.3); color: var(--purple); }
.block-banner-service_down { background: rgba(240, 100, 90, 0.1); box-shadow: 0 0 0 1px rgba(240, 100, 90, 0.3); color: var(--danger); }
.block-banner-service_error { background: rgba(240, 179, 75, 0.1); box-shadow: 0 0 0 1px rgba(240, 179, 75, 0.3); color: var(--warn); }
.block-banner-slow { background: rgba(91, 141, 239, 0.1); box-shadow: 0 0 0 1px rgba(91, 141, 239, 0.3); color: var(--accent); }
.block-banner-unknown { background: rgba(139, 143, 163, 0.1); box-shadow: 0 0 0 1px rgba(139, 143, 163, 0.3); color: var(--text2); }

/* Check detail grid */
.check-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.detail-item {
  background: var(--surface2);
  box-shadow: 0 0 0 1px var(--border);
  padding: 10px 12px;
}
.detail-item .label { font-size: 10px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.3px; }
.detail-item .value { font-size: 13px; font-weight: 500; word-break: break-all; }
.detail-item .value.ok { color: var(--accent2); }
.detail-item .value.fail { color: var(--danger); }
.detail-item .value.slow { color: var(--warn); }

/* Block detail text */
.block-detail-box {
  background: var(--surface2);
  box-shadow: 0 0 0 1px var(--border);
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text2);
  white-space: pre-wrap;
}

/* Scrollbar */
.main ::-webkit-scrollbar { width: 6px; }
.main ::-webkit-scrollbar-track { background: transparent; }
.main ::-webkit-scrollbar-thumb { background: var(--border); }

/* Toggle switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  cursor: pointer;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--surface2);
  border: 1px solid var(--border);
  transition: 0.2s;
}
.toggle-slider::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: 2px;
  bottom: 2px;
  background: var(--text2);
  transition: 0.2s;
}
.toggle-switch input:checked + .toggle-slider {
  background: rgba(67, 198, 168, 0.2);
  border-color: var(--accent2);
}
.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(16px);
  background: var(--accent2);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 0 4px;
}
.pagination .page-info {
  color: var(--text2);
  font-size: 12px;
  margin-right: auto;
}
.pagination .page-num {
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
}
.pagination button:disabled {
  opacity: 0.3;
  cursor: default;
  pointer-events: none;
}

/* Legend */
.legend-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
}
.legend-grid h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}
.legend-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text2);
  line-height: 1.5;
}
.legend-item .status-badge,
.legend-item .block-badge {
  flex-shrink: 0;
  min-width: 80px;
  text-align: center;
}
.legend-icon {
  flex-shrink: 0;
  width: 48px;
  text-align: center;
  font-weight: 600;
  font-size: 10px;
  color: var(--accent);
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 4px 0;
}

/* Toast notifications */
#toast-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  font-size: 13px;
  font-family: var(--font);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  animation: toast-in 0.25s ease-out;
  pointer-events: auto;
  max-width: 360px;
}
.toast-success { border-color: var(--accent2); }
.toast-error { border-color: var(--danger); }
.toast-info { border-color: var(--accent); }
.toast-warn { border-color: var(--warn); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Check All Progress Modal */
#check-all-modal { width: 520px; }
.check-all-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.check-all-header h2 { font-size:15px; font-weight:600; }
.check-all-progress { font-size:13px; color:var(--text2); font-weight:500; }
.check-all-sites { max-height:360px; overflow-y:auto; display:flex; flex-direction:column; gap:2px; }
.check-all-site {
  display:flex; align-items:center; gap:10px; padding:6px 8px;
  background:var(--surface2); font-size:13px;
}
.check-all-site .favicon-sm { margin-right:0; }
.check-all-site .site-name { flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.check-all-status { font-size:11px; font-weight:600; min-width:60px; text-align:right; }
.check-all-status.pending { color:var(--text2); }
.check-all-status.checking { color:var(--accent); }
.check-all-status.ok { color:var(--accent2); }
.check-all-status.fail { color:var(--danger); }
.check-all-summary { padding:10px 12px; background:var(--surface2); font-size:13px; display:flex; gap:16px; flex-wrap:wrap; }
.check-all-summary span { display:flex; align-items:center; gap:6px; }

.favicon-refresh { cursor:pointer; font-size:10px; opacity:0.4; transition:0.15s; vertical-align:middle; margin-left:4px; }
.favicon-refresh:hover { opacity:1; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 56px; padding: 12px 8px; }
  .sidebar .logo { font-size: 16px; padding: 0 0 16px; text-align: center; }
  .nav-btn { font-size: 0; padding: 10px; text-align: center; }
  .nav-btn::first-letter { font-size: 14px; }
  .charts-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .check-detail-grid { grid-template-columns: 1fr; }
  .modal-wide { width: 90vw; }
  .form-row { flex-direction: column; }
}

/* Login card (inside modal) */
.login-card {
  text-align: center;
}
.login-card .login-logo {
  font-size: 48px;
  margin-bottom: 12px;
}
.login-card .login-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--accent);
}
.login-card form {
  text-align: left;
}
.login-card label {
  display: block;
  font-size: 12px;
  color: var(--text2);
}
.login-card label .input {
  width: 100%;
  margin-top: 4px;
}
.login-error {
  color: var(--danger);
  font-size: 13px;
  display: none;
  margin-top: 8px;
  text-align: center;
}
.login-default-pwd-warning {
  color: var(--warn);
  font-size: 13px;
  margin-top: 10px;
  padding: 8px 12px;
  background: rgba(245, 197, 66, 0.1);
  border: 1px solid var(--warn);
  border-radius: 6px;
  text-align: center;
  line-height: 1.4;
}
.default-pwd-banner {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  /*margin: 0 16px 8px;*/
  background: rgba(240, 80, 80, 0.12);
  border: 1px solid rgba(240, 80, 80, 0.4);
  /*border-radius: 8px;*/
  color: var(--danger);
  font-size: 14px;
  flex-wrap: wrap;
}
.default-pwd-banner .btn-primary {
  background: var(--danger);
  color: #fff;
  border: none;
  padding: 4px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}
.default-pwd-banner .btn-primary:hover {
  opacity: 0.85;
}
.banner-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text2);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}
.banner-close:hover {
  color: var(--text);
}

/* Sidebar hidden in public mode */
.sidebar.public-hidden { display: none; }
.main.public-full { margin-left: 0; }

/* Logout button */
.logout-btn {
  background: none;
  border: none;
  color: var(--text2);
  cursor: pointer;
  font-size: 12px;
  padding: 4px 8px;
  font-family: var(--font);
  transition: 0.15s;
}
.logout-btn:hover { color: var(--danger); }

/* Client filter bar */
.client-filter-bar {
  display: flex; align-items: center; gap: 10px;
  /*margin-bottom: 16px; */
  padding: 10px 16px;
  background: var(--surface); border: 1px solid var(--border);
}
.client-filter-bar label {
  font-size: 13px; color: var(--text2); white-space: nowrap;
}
.client-filter-bar select {
  background: var(--surface2); color: var(--text);
  border: 1px solid var(--border); padding: 6px 12px;
  font-size: 13px; cursor: pointer; min-width: 180px;
}

/* Notification bell */
.notif-bell {
  position: relative;
  cursor: pointer;
  padding: 4px 8px;
  font-size: 18px;
  line-height: 1;
  transition: 0.15s;
}
.notif-bell:hover { opacity: 0.7; }
.notif-badge {
  position: absolute;
  top: -2px;
  right: 0;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
  box-shadow: 0 0 0 2px var(--bg);
}

/* Notification panel */
.notif-panel {
  position: fixed;
  top: 52px;
  right: 16px;
  width: 420px;
  max-height: 480px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  z-index: 150;
  display: flex;
  flex-direction: column;
}
.notif-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
}
.notif-panel-list {
  overflow-y: auto;
  max-height: 400px;
}
.notif-item {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  cursor: pointer;
  transition: 0.1s;
}
.notif-item:hover { background: var(--surface2); }
.notif-item.unread { border-left: 3px solid var(--accent); }
.notif-item .notif-meta {
  display: flex;
  gap: 8px;
  font-size: 10px;
  color: var(--text3);
  margin-bottom: 4px;
}
.notif-item .notif-type {
  font-weight: 600;
  text-transform: uppercase;
}
.notif-item .notif-msg {
  color: var(--text);
  word-break: break-word;
}
.notif-empty {
  padding: 24px;
  text-align: center;
  color: var(--text3);
  font-size: 13px;
}
.notif-ctx {
  font-size: 10px;
  color: var(--text3);
  margin-top: 4px;
  font-family: monospace;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
body.loading .spinner-page {
  display: flex;
}
.spinner-page {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
  gap: 10px;
  color: var(--text2);
  font-size: 13px;
}

/* Skeleton loading rows */
@keyframes shimmer {
  0% { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}
.skeleton-row {
  height: 48px;
  background: linear-gradient(90deg, var(--surface2) 25%, var(--surface) 50%, var(--surface2) 75%);
  background-size: 200px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: 6px;
  margin-bottom: 6px;
}
.skeleton-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.skeleton-block {
  height: 52px;
  background: linear-gradient(90deg, var(--surface2) 25%, var(--surface) 50%, var(--surface2) 75%);
  background-size: 200px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: 8px;
}

/* Client error card in info modal */
.client-error-card {
  background: var(--danger-bg, #2d1a1a);
  border: 1px solid var(--danger, #e74c3c);
  border-radius: 8px;
  padding: 14px 16px;
}
.client-error-header {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--danger, #e74c3c);
  font-weight: 600;
  margin-bottom: 6px;
}
.client-error-type {
  font-size: 12px;
  font-weight: 600;
  color: var(--text, #e0e0e0);
}
.client-error-msg {
  font-size: 13px;
  color: var(--text2, #aaa);
  margin-top: 4px;
  word-break: break-word;
  font-family: monospace;
}
.client-error-time {
  font-size: 10px;
  color: var(--text3, #777);
  margin-top: 6px;
}

/* Site preview popup */
.preview-popup {
  position: fixed;
  z-index: 1000;
  width: 520px;
  height: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.preview-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--text2);
  flex-shrink: 0;
}
.preview-popup-header .preview-site-name {
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.preview-popup-header .preview-size {
  font-family: monospace;
  font-size: 10px;
  margin-left: auto;
  padding-left: 10px;
}
.preview-popup iframe {
  width: 100%;
  flex: 1;
  border: none;
  background: #fff;
}
.preview-popup .preview-error {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text2);
  font-size: 13px;
  padding: 20px;
  text-align: center;
}
.preview-popup .preview-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}