/* ═══════════════════════════════════════════════════════════════
   [APP_TITLE] – UX Design
   Professional dark theme with steel-blue accents
   Based on APP.Template v2026.1.1
   ═══════════════════════════════════════════════════════════════ */
/* ───── Touch behaviour ───── */
html, body { touch-action: manipulation; }
/* ───── CSS custom properties ───── */
:root {
  --bg-primary:     #0d1117;
  --bg-secondary:   #161b22;
  --bg-surface:     #1c2128;
  --border:         #30363d;
  --border-subtle:  rgba(255,255,255,0.04);
  --text-primary:   #e6edf3;
  --text-secondary: #8b949e;
  --text-muted:     #6e7681;
  --text-faint:     #484f58;
  --accent:         #4d9be6;
  --accent-subtle:  rgba(77,155,230,0.08);
  --accent-hover:   rgba(77,155,230,0.15);
  --link:           #7eb8da;
  --warm:           #d4976a;
  --danger:         #f85149;
  --success:        #238636;
  /* Legacy compatibility */
  --t-navy:         #002855;
  --t-navy-light:   #003870;
  --t-orange:       #d4976a;
  --t-orange-hover: #c4875a;
  --admin-red:      #b91c1c;
  --admin-red-light:#fee2e2;
  --admin-red-border:#fca5a5;
  /* Mapped aliases */
  --bg-page:        var(--bg-primary);
  --bg-card:        var(--bg-secondary);
  --bg-input:       var(--bg-surface);
  --bg-table-head:  var(--bg-secondary);
  --border-light:   var(--border);
  --text-on-navy:   #ffffff;
  --text-on-orange: #ffffff;
  --shadow-card:    0 4px 16px rgba(0,0,0,.3);
  --shadow-heavy:   0 12px 32px rgba(0,0,0,.45);
  --topbar-height:  45px;
}
/* Dark mode — identical to root (dark-first design) */
[data-theme="dark"] {
  --bg-page:        var(--bg-primary);
  --bg-card:        var(--bg-secondary);
  --bg-input:       var(--bg-surface);
  --bg-table-head:  var(--bg-secondary);
  --border-light:   var(--border);
  --text-primary:   #e6edf3;
  --text-secondary: #8b949e;
  --text-muted:     #6e7681;
  --shadow-card:    0 4px 16px rgba(0,0,0,.3);
  --shadow-heavy:   0 12px 32px rgba(0,0,0,.45);
}
/* Light mode override */
[data-theme="light"] {
  --bg-primary:     #f0f2f5;
  --bg-secondary:   #ffffff;
  --bg-surface:     #f5f7fa;
  --border:         #d7dde3;
  --border-subtle:  rgba(0,0,0,0.04);
  --text-primary:   #1c1e21;
  --text-secondary: #54606d;
  --text-muted:     #6b7280;
  --text-faint:     #9ca3af;
  --accent:         #2a7bc9;
  --accent-subtle:  rgba(42,123,201,0.06);
  --accent-hover:   rgba(42,123,201,0.12);
  --link:           #2a6fa8;
  --warm:           #b87a4a;
  --bg-page:        #f0f2f5;
  --bg-card:        #ffffff;
  --bg-input:       #ffffff;
  --bg-table-head:  #f5f7fa;
  --border-light:   #e7eaee;
  --shadow-card:    0 4px 16px rgba(0,0,0,.07);
  --shadow-heavy:   0 12px 32px rgba(0,0,0,.12);
}
/* ───── base ───── */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: background .2s, color .2s;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
/* ───── scrollbar styling ───── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); }
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
/* ───── layout ───── */
.layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}
.main {
  flex: 1;
  display: flex;
  overflow: hidden;
  padding: 0;
}
/* ───── top bar ───── */
.topbar {
  background: linear-gradient(135deg, #00123B 0%, #002854 100%);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 500;
  flex-shrink: 0;
}
[data-theme="light"] .topbar {
  background: linear-gradient(135deg, #f8f9fb 0%, #ffffff 100%);
}
.topbar-inner {
  display: flex;
  align-items: center;
  padding: 0 16px;
  height: var(--topbar-height);
  gap: 16px;
}
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo {
  height: 22px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.brand-logo-dark { display: block; }
.brand-logo-light { display: none; }
[data-theme="light"] .brand-logo-dark { display: none; }
[data-theme="light"] .brand-logo-light { display: block; }
.brand-divider {
  width: 1px;
  height: 20px;
  background: var(--border);
}
.brand-title {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  white-space: nowrap;
}
[data-theme="light"] .brand-title { color: var(--text-primary); }
/* ── Header filters ── */
.topbar-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 1;
  min-width: 0;
}
.topbar-filter-select {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  background: var(--bg-surface);
  color: var(--text-primary);
  max-width: 200px;
  transition: border-color .15s;
}
.topbar-filter-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(77,155,230,.2);
}
.topbar-search {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  background: var(--bg-surface);
  color: var(--text-primary);
  width: 160px;
  transition: border-color .15s;
}
.topbar-search:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(77,155,230,.2);
}
.topbar-search::placeholder { color: var(--text-faint); }
/* ── Topbar actions ── */
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  margin-left: auto;
}
.topbar-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.topbar-btn:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}
/* ───── main content area ───── */
.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}
.content-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px 32px;
}
/* ───── cards ───── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 16px;
}
.card-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  margin: 0 0 12px;
}
/* ───── buttons ───── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 5px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #5aa3ea; }
.btn-danger  { background: var(--danger); color: #fff; }
.btn-danger:hover  { background: #dc2626; }
/* ───── sidebar ───── */
.sidebar {
  width: 260px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
}
.sidebar-section {
  padding: 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin: 0 0 8px;
}
/* ───── loading / error states ───── */
.loading, .error { text-align: center; padding: 48px 16px; color: var(--text-muted); }
.error { color: var(--danger); }
/* ───── popup overlay ───── */
.popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0,0,0,.55);
  display: flex;
  align-items: center;
  justify-content: center;
}
.popup {
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 0;
  width: 420px;
  max-width: 92vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-heavy);
}
.popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 12px;
}
.popup-header h3 { margin: 0; font-size: 17px; font-weight: 700; }
.popup-close {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border: none; border-radius: 6px;
  background: transparent; font-size: 20px;
  color: var(--text-muted); cursor: pointer;
  transition: background .12s;
}
.popup-close:hover { background: var(--bg-surface); color: var(--text-primary); }
.popup-table { width: 100%; border-collapse: collapse; }
.popup-table th, .popup-table td { padding: 10px 24px; text-align: left; font-size: 14px; border-top: 1px solid var(--border); }
.popup-table th { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); background: var(--bg-surface); }
.popup-table tr:last-child td { border-bottom: none; }
/* ───── About dialog ───── */
.about-popup {
  width: 480px; max-width: 94vw;
  padding: 28px 28px 24px;
  display: flex; flex-direction: column; gap: 0;
  position: relative;
}
.about-logo { display: flex; flex-direction: column; align-items: center; gap: 6px; margin-bottom: 14px; }
.about-logo img { max-width: 200px; height: auto; }
.about-brand { font-size: 18px; font-weight: 700; color: var(--text-primary); margin: 0; letter-spacing: .03em; }
.about-title { text-align: center; font-size: 18px; font-weight: 700; margin: 0 0 4px; color: var(--text-primary); }
.about-version { color: var(--accent); font-weight: 600; }
.about-divider { border: none; border-top: 1px solid var(--border); margin: 14px 0; }
.about-links { display: flex; flex-direction: column; gap: 4px; align-items: center; }
.about-links-row { display: flex; gap: 4px; width: 100%; justify-content: center; }
.about-link { padding: 6px 16px; border-radius: 8px; font-size: 14px; font-weight: 500; text-decoration: none; color: var(--text-primary); transition: background .13s; }
.about-link:hover { background: var(--bg-surface); color: var(--accent); text-decoration: none; }
.about-link-btn { padding: 6px 16px; border-radius: 8px; font-size: 14px; font-weight: 500; text-decoration: none; color: var(--text-primary); background: transparent; border: none; cursor: pointer; transition: background .13s; }
.about-link-btn:hover { background: var(--bg-surface); color: var(--accent); }
.about-meta { text-align: center; }
.about-meta-row { margin: 4px 0; font-size: 13px; color: var(--text-secondary); text-align: center; }
.about-copyright { text-align: center; font-size: 12px; color: var(--text-muted); margin: 0 0 4px; }
.about-bug-btn { align-self: center; margin-top: 6px; background: var(--accent); color: #fff; padding: 9px 32px; border-radius: 8px; font-size: 14px; font-weight: 600; border: none; cursor: pointer; transition: background .13s; }
.about-bug-btn:hover { background: #5aa3ea; }
.about-close-x { position: absolute; top: 12px; right: 12px; }
/* ───── Hamburger menu ───── */
.hamburger-wrapper { position: relative; }
.hamburger-menu {
  position: fixed; right: 8px;
  min-width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-heavy);
  padding: 6px 0;
  z-index: 9200;
  animation: hmenu-in .12s ease-out;
}
@keyframes hmenu-in {
  from { opacity: 0; transform: translateY(-6px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.hamburger-item { display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 16px; font-size: 13.5px; font-weight: 500; color: var(--text-primary); background: transparent; border: none; cursor: pointer; text-align: left; transition: background .12s; }
.hamburger-item svg { flex-shrink: 0; color: var(--text-muted); }
.hamburger-item:hover { background: var(--accent-subtle); color: var(--accent); }
.hamburger-item:hover svg { color: var(--accent); }
.hamburger-theme-icon-sun, .hamburger-theme-icon-moon { display: none; }
[data-theme="dark"] .hamburger-theme-icon-moon { display: block; }
[data-theme="light"] .hamburger-theme-icon-sun { display: block; }
.hamburger-divider { height: 1px; background: var(--border); margin: 4px 12px; }
/* ───── Confidentiality Gate ───── */
.conf-gate-overlay {
  position: fixed; inset: 0; z-index: 99999;
  background: rgba(0,0,0,.75);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.conf-gate-card {
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: 16px;
  border: 2px solid #dc2626;
  width: 540px; max-width: 94vw; max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  animation: conf-gate-in .25s ease-out;
}
@keyframes conf-gate-in {
  from { opacity: 0; transform: scale(.92); }
  to   { opacity: 1; transform: scale(1); }
}
.conf-gate-header { text-align: center; padding: 28px 28px 0; }
.conf-gate-title { font-size: 20px; font-weight: 800; color: #dc2626; margin: 0 0 6px; }
.conf-gate-subtitle { font-size: 13.5px; color: var(--text-muted); margin: 0; line-height: 1.5; }
.conf-gate-body { padding: 20px 28px; display: flex; flex-direction: column; gap: 12px; }
.conf-gate-clause { display: flex; gap: 14px; align-items: flex-start; padding: 12px 14px; background: var(--bg-surface); border-radius: 10px; border: 1px solid var(--border); }
.conf-gate-clause-num { flex-shrink: 0; width: 26px; height: 26px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: #dc2626; color: #fff; font-size: 13px; font-weight: 700; }
.conf-gate-clause p { margin: 0; font-size: 13px; line-height: 1.65; color: var(--text-secondary); }
.conf-gate-footer { padding: 16px 28px 24px; display: flex; flex-direction: column; align-items: center; gap: 14px; border-top: 1px solid var(--border); }
.conf-gate-checkbox-label { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; font-weight: 600; color: var(--text-primary); cursor: pointer; user-select: none; line-height: 1.5; }
.conf-gate-checkbox-label input[type="checkbox"] { margin-top: 3px; width: 18px; height: 18px; flex-shrink: 0; accent-color: #dc2626; cursor: pointer; }
.conf-gate-accept-btn { width: 100%; padding: 13px 0; font-size: 15px; font-weight: 700; color: #fff; background: #aaa; border: none; border-radius: 10px; cursor: not-allowed; transition: background .2s; }
.conf-gate-accept-btn:not(:disabled) { background: #dc2626; cursor: pointer; box-shadow: 0 4px 14px rgba(220,38,38,.3); }
.conf-gate-accept-btn:not(:disabled):hover { background: #b91c1c; }
/* ───── Confidentiality Notice popup ───── */
.confidentiality-popup { width: 500px; max-width: 94vw; }
.confidentiality-body { padding: 0 24px 20px; text-align: center; }
.confidentiality-text { font-size: 13px; line-height: 1.75; color: var(--text-secondary); margin: 0 0 10px; }
.conf-acceptance-status { font-size: 12px; color: var(--success); text-align: center; margin: 12px 0 0; padding: 8px 14px; background: rgba(34,197,94,.06); border-radius: 8px; border: 1px solid rgba(34,197,94,.15); }
/* ───── Bug Report dialog ───── */
.bug-report-popup { width: 520px; max-width: 96vw; }
.bug-report-form { display: flex; flex-direction: column; gap: 12px; padding: 0 24px 24px; }
.bug-label { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 2px; }
.bug-required { color: var(--danger); }
.bug-optional { font-weight: 400; color: var(--text-muted); }
.bug-input, .bug-textarea { width: 100%; box-sizing: border-box; padding: 8px 10px; border-radius: 6px; border: 1px solid var(--border); background: var(--bg-surface); color: var(--text-primary); font-size: 14px; font-family: inherit; transition: border-color .15s; }
.bug-input:focus, .bug-textarea:focus { outline: none; border-color: var(--accent); }
.bug-textarea { resize: vertical; min-height: 72px; }
.bug-row { display: flex; gap: 12px; }
.bug-col { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.bug-feedback { padding: 10px 12px; border-radius: 7px; font-size: 13px; line-height: 1.5; }
.bug-feedback-success { background: #052e16; color: #bbf7d0; border: 1px solid #166534; }
.bug-feedback-success a { color: #86efac; font-weight: 600; }
.bug-feedback-error { background: #450a0a; color: #fecaca; border: 1px solid #991b1b; }
[data-theme="light"] .bug-feedback-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
[data-theme="light"] .bug-feedback-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.bug-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
/* ───── Version History dialog ───── */
.version-history-popup { width: 760px; max-width: 96vw; }
.version-history-body { padding: 0 0 16px; overflow-y: auto; max-height: 70vh; }
.vh-version-group { margin-bottom: 4px; }
.vh-version-header { padding: 8px 24px 4px; font-size: 13px; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .04em; background: var(--bg-surface); border-top: 2px solid var(--border); }
.vh-badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 10px; margin-right: 6px; text-transform: uppercase; letter-spacing: .04em; }
.vh-badge-feature  { background: #14532d; color: #86efac; }
.vh-badge-improve  { background: #1e3a8a; color: #93c5fd; }
.vh-badge-bugfix   { background: #7f1d1d; color: #fca5a5; }
.vh-badge-removed  { background: #374151; color: #9ca3af; }
[data-theme="light"] .vh-badge-feature  { background: #dcfce7; color: #16a34a; }
[data-theme="light"] .vh-badge-improve  { background: #dbeafe; color: #1d4ed8; }
[data-theme="light"] .vh-badge-bugfix   { background: #fee2e2; color: #dc2626; }
[data-theme="light"] .vh-badge-removed  { background: #f3f4f6; color: #6b7280; }
/* ───── Technical Details dialog ───── */
.tech-details-popup { width: 720px; max-width: 96vw; }
.tech-details-body { padding: 0 0 16px; overflow-y: auto; max-height: 72vh; }
.td-section { padding: 16px 24px 4px; border-top: 1px solid var(--border); }
.td-section:first-child { border-top: none; padding-top: 8px; }
.td-section-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-secondary); margin: 0 0 10px; }
.td-list { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.td-list-item { font-size: 14px; line-height: 1.6; color: var(--text-primary); }
.td-table { margin: 0; width: 100%; }
.td-layer { font-weight: 600; white-space: nowrap; color: var(--text-secondary); padding-right: 20px; }
.td-feature-item { font-size: 14px; line-height: 1.6; color: var(--text-primary); }
.td-feature-title { font-weight: 700; color: var(--text-primary); }
.td-feature-desc { font-size: 14px; color: var(--text-secondary); }
.td-since-badge { display: inline-block; font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 8px; margin-left: 5px; background: #451a03; color: #fcd34d; vertical-align: middle; }
[data-theme="light"] .td-since-badge { background: #fef3c7; color: #b45309; }
/* ───── Stats dashboard overlay ───── */
.stats-overlay { position: fixed; inset: 0; z-index: 8500; background: var(--bg-primary); display: flex; flex-direction: column; overflow: hidden; }
.stats-header { background: linear-gradient(135deg, #00123B 0%, #002854 100%); border-bottom: 1px solid var(--border); color: var(--text-primary); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; height: 56px; flex-shrink: 0; }
.stats-header-left { display: flex; align-items: center; gap: 10px; }
.stats-header-right { display: flex; align-items: center; gap: 12px; }
.stats-range-picker { display: flex; gap: 4px; }
.stats-range-btn { padding: 5px 14px; border: 1px solid rgba(255,255,255,.2); border-radius: 6px; background: transparent; color: rgba(255,255,255,.6); font-size: 13px; font-weight: 600; cursor: pointer; transition: background .13s, color .13s; }
.stats-range-btn:hover { background: rgba(255,255,255,.1); color: #fff; }
.stats-range-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.stats-close-btn { color: rgba(255,255,255,.6); }
.stats-close-btn:hover { background: rgba(255,255,255,.1); color: #fff; }
.stats-body { flex: 1; overflow-y: auto; padding: 24px 32px 40px; }
.stats-loading { text-align: center; padding: 60px 0; color: var(--text-muted); font-size: 16px; }
.stats-kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 28px; }
@media (max-width: 1100px) { .stats-kpi-grid { grid-template-columns: repeat(2, 1fr); } }
.stats-kpi-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; }
.stats-kpi-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); margin-bottom: 6px; }
.stats-kpi-value { font-size: 28px; font-weight: 800; color: var(--accent); }
.stats-kpi-sub { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.stats-charts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 28px; }
@media (max-width: 1100px) { .stats-charts-grid { grid-template-columns: repeat(2, 1fr); } }
.stats-chart-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.stats-chart-title { font-size: 13px; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .04em; margin: 0 0 14px; }
.stats-chart-canvas { width: 100% !important; max-height: 220px; }
.stats-section-title { font-size: 15px; font-weight: 700; margin: 0 0 12px; color: var(--text-primary); }
.stats-recent-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.stats-csv-btn { padding: 6px 14px; border: 1px solid var(--border); border-radius: 7px; background: var(--bg-card); color: var(--text-secondary); font-size: 13px; font-weight: 600; cursor: pointer; transition: background .12s, color .12s; }
.stats-csv-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.stats-table-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow-x: auto; }
.stats-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.stats-table th, .stats-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.stats-table th { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); background: var(--bg-surface); }
.stats-table tr:last-child td { border-bottom: none; }
/* ═══════════════════════════════════════════════════════════════
   Admin Mode
   ═══════════════════════════════════════════════════════════════ */
body.admin-mode .topbar { background: var(--admin-red); }
body.admin-mode .topbar .topbar-btn { color: rgba(255,255,255,.8); }
body.admin-mode .topbar .topbar-btn:hover { background: rgba(255,255,255,.15); color: #fff; }
body.admin-mode .brand-logo-dark { display: block !important; }
body.admin-mode .brand-logo-light { display: none !important; }
body.admin-mode .brand-title { color: #fff; }
/* ───── Admin Panel ───── */
.admin-popup { max-width: 480px; width: 100%; }
.admin-panel-section { padding: 16px 20px; border-bottom: 1px solid var(--border); }
.admin-panel-section:last-child { border-bottom: none; }
.admin-panel-section-title { margin: 0 0 10px; font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--text-secondary); }
.admin-mode-toggle-btn { display: inline-block; padding: 9px 20px; background: #c0392b; color: #fff; border: none; border-radius: 6px; font-size: 14px; font-weight: 700; cursor: pointer; transition: background .15s; }
.admin-mode-toggle-btn:hover { background: #a93226; }
.admin-mode-toggle-btn--active { background: #27ae60; }
.admin-mode-toggle-btn--active:hover { background: #1e8449; }
.admin-panel-hint { margin: 8px 0 0; font-size: 12px; color: var(--text-muted); line-height: 1.5; }
.admin-user-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.admin-user-row { display: flex; align-items: center; justify-content: space-between; padding: 6px 10px; background: var(--bg-surface); border: 1px solid var(--border); border-radius: 6px; }
.admin-user-name { font-size: 13px; color: var(--text-primary); }
.admin-user-remove { width: 22px; height: 22px; background: transparent; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; color: var(--text-muted); font-size: 14px; line-height: 1; display: flex; align-items: center; justify-content: center; transition: background .12s, color .12s; }
.admin-user-remove:hover { background: var(--admin-red); color: #fff; border-color: var(--admin-red); }
.admin-add-user-row { display: flex; gap: 8px; align-items: center; }
.admin-text-input { flex: 1; padding: 7px 10px; font-size: 13px; background: var(--bg-surface); border: 1px solid var(--border); border-radius: 6px; color: var(--text-primary); transition: border-color .15s; }
.admin-text-input:focus { outline: none; border-color: var(--accent); }
.admin-add-btn { padding: 7px 16px; font-size: 13px; font-weight: 600; background: var(--accent); color: #fff; border: none; border-radius: 6px; cursor: pointer; white-space: nowrap; transition: background .12s; }
.admin-add-btn:hover { opacity: .85; }
/* ───── Network Health modal ───── */
.net-health-popup { width: 780px; max-width: 96vw; max-height: 85vh; display: flex; flex-direction: column; overflow: hidden; }
.net-health-body { overflow-y: auto; padding: 20px 24px 24px; display: flex; flex-direction: column; gap: 16px; }
.nh-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (max-width: 700px) { .nh-cards { grid-template-columns: 1fr; } }
.nh-card { background: var(--bg-surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.nh-card-header { display: flex; align-items: center; gap: 8px; padding: 12px 18px; border-bottom: 1px solid var(--border); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); }
.nh-card-body { padding: 14px 18px; display: flex; flex-direction: column; gap: 8px; }
.nh-row { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; }
.nh-row-label { color: var(--text-muted); min-width: 90px; flex-shrink: 0; }
.nh-row-value { font-weight: 600; color: var(--text-primary); word-break: break-all; }
.nh-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; margin-top: 3px; }
.nh-dot-ok    { background: #22c55e; }
.nh-dot-error { background: #ef4444; }
.nh-dot-warn  { background: #f59e0b; }
.nh-dot-gray  { background: #9ca3af; }
.nh-probe-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.nh-probe-name { flex: 1; color: var(--text-primary); }
.nh-probe-latency { color: var(--text-muted); font-size: 12px; min-width: 52px; text-align: right; }
.nh-probe-detail { font-size: 11px; color: var(--text-muted); padding-left: 18px; margin-top: -4px; }
.nh-probe-error { font-size: 12px; color: #ef4444; padding-left: 18px; margin-top: -4px; }
.nh-logs { background: var(--bg-surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; min-height: 260px; }
.nh-logs-header { display: flex; align-items: center; justify-content: space-between; padding: 10px 18px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.nh-logs-title { display: flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); }
.nh-logs-controls { display: flex; gap: 8px; }
.nh-log-btn { padding: 4px 14px; border: 1px solid var(--border); border-radius: 6px; background: transparent; color: var(--text-secondary); font-size: 12px; font-weight: 600; cursor: pointer; transition: background .12s; }
.nh-log-btn:hover { background: var(--bg-surface); }
.nh-log-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.nh-log-output { flex: 1; overflow-y: auto; min-height: 200px; font-family: "Consolas", "Cascadia Mono", "Courier New", monospace; font-size: 12px; line-height: 1.6; padding: 12px 18px; background: var(--bg-primary); color: var(--text-secondary); }
.nh-log-line { white-space: pre-wrap; word-break: break-all; }
.nh-log-line-ts { color: var(--text-muted); }
.nh-log-line-error { color: #f87171; }
.nh-log-line-warning, .nh-log-line-warn { color: #fbbf24; }
.nh-log-line-info { color: var(--text-secondary); }
.nh-log-line-debug { color: var(--text-muted); }
@keyframes nh-spin { to { transform: rotate(360deg); } }
.nh-spinning { animation: nh-spin .7s linear infinite; }
/* ───── accessibility ───── */
.topbar-btn:focus-visible,
.popup-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
/* ───── drawer backdrop ───── */
.drawer-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 799;
}
.drawer-backdrop.visible { display: block; }
/* ───── Responsive ───── */
@media (max-width: 767px) {
  .layout { height: 100vh; height: 100dvh; }
  .topbar-inner { flex-wrap: wrap; height: auto; padding: 8px 12px; gap: 4px; }
  .topbar-brand { order: 1; flex: 1; }
  .brand-logo { height: 14px; }
  .brand-title { font-size: 12px; }
  .brand-divider { display: none; }
  .topbar-actions { order: 2; margin-left: 0; }
  .topbar-filters { order: 3; width: 100%; flex-wrap: nowrap; gap: 4px; padding: 6px 0 4px; border-top: 1px solid var(--border); margin-left: 0; }
  .topbar-filter-select { padding: 5px 6px; border-radius: 16px; font-size: 16px; max-width: none; width: 100%; }
  .popup { max-width: 96vw; max-height: 90vh; }
  .bug-report-form { padding: 0 16px 16px; }
  .bug-row { flex-direction: column; gap: 8px; }
  .conf-gate-header { padding: 20px 16px 0; }
  .conf-gate-body { padding: 16px; gap: 10px; }
  .conf-gate-footer { padding: 14px 16px 20px; }
  .stats-body { padding: 16px 12px 32px; }
}