:root {
  --brand-blue: #173eac;
  --brand-blue-2: #245fcb;
  --brand-light: #50c8ff;
  --brand-orange: #f58345;
  --brand-green: #4fb84e;
  --brand-violet: #6450c8;
  --bg: #eef5ff;
  --bg-soft: #f8fbff;
  --panel: rgba(255, 255, 255, 0.96);
  --panel-strong: #ffffff;
  --line: rgba(23, 62, 172, 0.14);
  --line-strong: rgba(23, 62, 172, 0.24);
  --text: #17304f;
  --muted: #64738d;
  --danger: #b42318;
  --warn: #f58345;
  --ok: #4fb84e;
  --shadow: 0 18px 48px rgba(23, 62, 172, 0.1);
  --shadow-sm: 0 10px 24px rgba(23, 62, 172, 0.06);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  color: var(--text);
  font-family: Verdana, Geneva, sans-serif;
  font-size: 14px;
  background: linear-gradient(180deg, #f7fbff 0%, #eef5ff 100%);
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

a { color: var(--brand-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 320px;
  height: 100vh;
  padding: 26px 22px;
  color: #fff;
  background:
    linear-gradient(146deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 48%),
    linear-gradient(180deg, #173eac 0%, #2452c1 52%, #1a3d96 100%);
  overflow-x: hidden;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar::before,
.sidebar::after {
  content: "";
  position: absolute;
  right: -18%;
  width: 118%;
  pointer-events: none;
}

.sidebar::before {
  bottom: 13%;
  height: 34%;
  opacity: 0.88;
  background: linear-gradient(90deg, rgba(80, 200, 255, 0.3), rgba(80, 200, 255, 0.8));
  clip-path: polygon(0 100%, 100% 22%, 100% 58%);
}

.sidebar::after {
  bottom: 3%;
  height: 24%;
  opacity: 0.4;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.26), rgba(80, 200, 255, 0.5));
  clip-path: polygon(0 100%, 100% 40%, 100% 78%);
}

.sidebar::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.24);
}

.brand,
.nav,
.user-box {
  position: relative;
  z-index: 1;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
  color: #fff;
}

.brand:hover { text-decoration: none; }

.brand-mark {
  position: relative;
  width: 54px;
  height: 38px;
  flex: 0 0 auto;
  color: transparent;
  overflow: hidden;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  clip-path: polygon(0 74%, 100% 0, 100% 100%);
  background: rgba(255, 255, 255, 0.96);
}

.brand-mark::after {
  background: rgba(255, 255, 255, 0.44);
  clip-path: polygon(0 100%, 100% 18%, 100% 46%);
}

.brand-mark.large {
  width: 58px;
  height: 42px;
  margin: 0 auto 12px;
}

.brand strong {
  display: block;
  font-size: 23px;
  line-height: 0.98;
  font-weight: 800;
}

.brand span,
.user-box span {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  line-height: 1.45;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav a,
.admin-nav summary {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  text-align: left;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  transition: 140ms ease;
}

.nav a:hover,
.admin-nav summary:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.14);
  text-decoration: none;
}

.nav a.active,
.admin-nav summary.active,
.admin-nav[open] summary {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.32);
  box-shadow: 0 14px 30px rgba(10, 22, 64, 0.18);
}

.admin-nav {
  display: grid;
  gap: 8px;
}

.admin-nav summary {
  cursor: pointer;
  list-style: none;
}

.admin-nav summary::-webkit-details-marker { display: none; }
.admin-nav summary::after { content: "+"; float: right; }
.admin-nav[open] summary::after { content: "-"; }

.admin-subnav {
  display: grid;
  gap: 6px;
  padding: 4px 0 2px 14px;
}

.admin-subnav a {
  padding: 9px 12px;
  border-radius: 14px;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.07);
}

.user-box {
  margin-top: auto;
  min-width: 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  padding: 16px;
}

.user-box strong {
  display: block;
  overflow-wrap: anywhere;
}

.logout-link {
  margin-top: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #fff;
  box-shadow: none;
  font-weight: 800;
}

.page {
  min-height: 100vh;
  min-width: 0;
  margin-left: 320px;
  padding: 20px 20px 34px;
  overflow-x: hidden;
}

.login-page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 28px;
  background: linear-gradient(180deg, #f7fbff 0%, #eef5ff 100%);
}

.login-page .page {
  width: min(440px, 100%);
  min-height: auto;
  margin: 0;
  padding: 0;
}

h1 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: clamp(26px, 3.5vw, 44px);
  line-height: 1;
  font-weight: 800;
}

h2 {
  margin: 0 0 14px;
  color: var(--brand-blue);
  font-size: 18px;
}

p {
  margin-top: 0;
  color: var(--muted);
  line-height: 1.6;
}

.dashboard-hero {
  position: relative;
  overflow: hidden;
  min-height: 216px;
  margin-bottom: 16px;
  border-radius: var(--radius-xl);
  padding: 22px 26px;
  color: #fff;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0) 42%),
    linear-gradient(135deg, #173eac 0%, #245fcb 50%, #50c8ff 100%);
  box-shadow: var(--shadow);
}

.hero-rays {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(11deg, transparent 0 35%, rgba(255, 255, 255, 0.18) 35% 39%, transparent 39%),
    linear-gradient(19deg, transparent 0 47%, rgba(255, 255, 255, 0.12) 47% 53%, transparent 53%),
    linear-gradient(27deg, transparent 0 60%, rgba(255, 255, 255, 0.08) 60% 66%, transparent 66%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.dashboard-hero h1 {
  max-width: 960px;
  margin: 10px 0 12px;
  color: #fff;
  font-size: clamp(30px, 4vw, 56px);
}

.dashboard-hero p {
  max-width: 900px;
  margin: 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: 14px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
}

.hero-meta span,
.hero-meta label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.hero-meta select {
  min-width: 260px;
  max-width: 440px;
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.95);
  color: var(--text);
}

.section,
.panel,
.card,
.camera-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
  padding: 18px;
}

.section + .section,
.grid + .section,
.dashboard-hero + .section,
.kpi-grid + .section,
.main > section + section {
  margin-top: 16px;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.kpi-grid,
.kpi {
  min-width: 0;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 12px;
}

.kpi {
  display: block;
  min-height: 128px;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 16px;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: 140ms ease;
}

.kpi:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  box-shadow: 0 14px 30px rgba(10, 22, 64, 0.08);
}

.kpi span,
.kpi .label {
  display: block;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.kpi strong,
.kpi .value {
  display: block;
  color: var(--brand-blue);
  font-size: clamp(24px, 2.5vw, 34px);
  font-weight: 800;
  line-height: 1.02;
  overflow-wrap: anywhere;
}

.kpi em {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-style: normal;
  font-size: 12px;
  line-height: 1.45;
}

.kpi.brand-blue:first-child,
.dashboard-kpis .kpi:first-child {
  border-color: rgba(23, 62, 172, 0.18);
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-blue-2));
  box-shadow: 0 12px 24px rgba(23, 62, 172, 0.18);
}

.dashboard-kpis .kpi:first-child span,
.dashboard-kpis .kpi:first-child strong,
.dashboard-kpis .kpi:first-child em {
  color: #fff;
}

.kpi.brand-orange strong { color: var(--brand-orange); }
.kpi.brand-green strong { color: var(--brand-green); }
.kpi.brand-violet strong { color: var(--brand-violet); }
.kpi.brand-light strong { color: var(--brand-light); }

.panel-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-heading span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 30px;
  background: var(--brand-blue);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
}

.panel-heading h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.1;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.status-grid div {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px;
  background: #f7fbff;
}

.status-grid strong,
.status-grid span {
  display: block;
}

.status-grid strong {
  color: var(--brand-blue);
  font-size: 22px;
}

.status-grid span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.toolbar,
.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 10px;
  margin-bottom: 12px;
}

.toolbar > * { min-width: 190px; }
.actions { margin-bottom: 0; }

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(23, 62, 172, 0.12);
  border-color: var(--brand-blue);
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 1px solid rgba(23, 62, 172, 0.22);
  border-radius: 999px;
  padding: 10px 16px;
  background: var(--brand-blue);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(23, 62, 172, 0.18);
}

button.secondary,
.button.secondary {
  background: #fff;
  color: var(--brand-blue);
  box-shadow: none;
}

button.danger,
.danger-button {
  border-color: var(--danger);
  background: var(--danger);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 12px;
  align-items: end;
}

.form-grid p { margin: 0; }
.form-grid button { width: fit-content; }
.compact { max-width: 760px; }
.form-title {
  align-self: center;
}
.form-title strong,
.form-title span {
  display: block;
}
.table-action {
  min-height: 32px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-strong);
  box-shadow: var(--shadow-sm);
}

.section > .table-wrap,
.section > form + .table-wrap,
.section > p + .table-wrap {
  margin-top: 12px;
}

table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  border-bottom: 1px solid rgba(23, 62, 172, 0.09);
  padding: 10px 12px;
  vertical-align: top;
  text-align: left;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f7fbff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

tr:hover td { background: #f8fbff; }

.teacher-pivot-table {
  min-width: 960px;
}

.teacher-pivot-table th[colspan] {
  border-left: 1px solid rgba(23, 62, 172, 0.09);
  text-align: center;
}

.teacher-pivot-table th[data-sort-index="4"],
.teacher-pivot-table td:nth-child(5) {
  border-left: 1px solid rgba(23, 62, 172, 0.12);
}

.teacher-pivot-table thead tr:nth-child(2) th {
  top: 38px;
}

.teacher-pivot-table td.data-warning-cell,
.teacher-pivot-table tr:hover td.data-warning-cell {
  background: #fff3df;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  margin-bottom: 14px;
}

.tab-shell {
  margin-top: 16px;
}

.tab-button {
  min-height: 36px;
  border-radius: 999px;
  background: #fff;
  color: var(--brand-blue);
  box-shadow: none;
}

.tab-button.active {
  background: var(--brand-blue);
  color: #fff;
  box-shadow: 0 12px 24px rgba(23, 62, 172, 0.18);
}

.tab-panel {
  display: none;
}

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

.badge,
.pill,
.tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  background: #f7fbff;
  color: var(--brand-blue);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
}

.tag {
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge.warning { border-color: rgba(245, 131, 69, 0.24); background: #fff6ef; color: var(--warn); }
.badge.critical,
.badge.error { border-color: rgba(180, 35, 24, 0.24); background: #fff2f2; color: var(--danger); }
.badge.success,
.badge.imported { border-color: rgba(79, 184, 78, 0.24); background: #eff9ef; color: var(--ok); }
.badge.running,
.badge.draft { border-color: rgba(80, 200, 255, 0.28); background: #edf9ff; color: var(--brand-blue); }

.source-row-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  background: #f7fbff;
  color: var(--brand-blue);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: none;
}

.source-row-button:hover {
  border-color: var(--line-strong);
  background: #edf7ff;
}

.source-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(23, 48, 79, 0.34);
  backdrop-filter: blur(5px);
}

.source-modal-backdrop[hidden] {
  display: none;
}

.source-modal {
  width: min(860px, 100%);
  max-height: min(720px, calc(100vh - 56px));
  overflow: hidden;
  border: 1px solid rgba(23, 62, 172, 0.18);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 28px 90px rgba(23, 62, 172, 0.22);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.source-modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid rgba(23, 62, 172, 0.1);
  padding: 20px 22px 18px;
  background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
}

.source-modal-kicker {
  display: block;
  margin-bottom: 5px;
  color: var(--brand-blue);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.source-modal h2 {
  margin: 0;
  color: var(--text);
  font-size: 20px;
  line-height: 1.2;
}

.source-modal-close {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  padding: 0;
  background: #fff;
  color: var(--brand-blue);
  box-shadow: none;
  font-size: 24px;
  line-height: 1;
}

.source-modal-close:hover {
  background: #edf7ff;
}

.source-modal-body {
  overflow: auto;
  padding: 20px 22px 22px;
}

.source-row-list {
  display: grid;
  grid-template-columns: minmax(150px, 220px) minmax(220px, 1fr);
  gap: 0;
  width: 100%;
  margin: 0;
  border: 1px solid rgba(23, 62, 172, 0.1);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.source-row-list dt,
.source-row-list dd {
  margin: 0;
  border-bottom: 1px solid rgba(23, 62, 172, 0.08);
  padding: 8px 10px;
  line-height: 1.45;
}

.source-row-list dt {
  background: #f7fbff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.source-row-list dd {
  color: var(--text);
  overflow-wrap: anywhere;
}

.messages {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.message {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.message.success { border-color: rgba(79, 184, 78, 0.26); color: var(--ok); }
.message.error { border-color: rgba(180, 35, 24, 0.26); color: var(--danger); }
.muted { color: var(--muted); }

.auth-panel {
  width: min(420px, 100%);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(23, 62, 172, 0.11);
  padding: 30px 28px;
  text-align: center;
}

.auth-panel h1 {
  margin-bottom: 10px;
  font-size: 34px;
  line-height: 1.08;
}

.auth-panel p {
  margin-bottom: 20px;
  font-size: 14px;
}

.auth-panel .form-grid {
  grid-template-columns: 1fr;
  text-align: left;
}

.auth-panel button {
  width: 100%;
  margin-top: 6px;
}

.auth-panel .brand-mark::before {
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-blue-2) 64%, var(--brand-light));
}

.auth-panel .brand-mark::after {
  opacity: 0.55;
}

@media (max-width: 1180px) {
  .sidebar { width: 280px; }
  .page { margin-left: 280px; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(160px, 1fr)); }
}

@media (max-width: 860px) {
  .sidebar {
    position: static;
    width: auto;
    height: auto;
    min-height: 0;
  }
  .page {
    margin-left: 0;
    padding: 14px;
  }
  .grid.two,
  .grid.three,
  .grid.four,
  .form-grid,
  .status-grid {
    grid-template-columns: 1fr;
  }
  .dashboard-hero {
    border-radius: 22px;
    padding: 18px;
  }
  .dashboard-hero h1 {
    font-size: 32px;
  }
  .hero-meta label,
  .hero-meta select {
    width: 100%;
    max-width: none;
  }
  .source-modal-backdrop {
    padding: 12px;
  }
  .source-modal {
    max-height: calc(100vh - 24px);
    border-radius: 20px;
  }
  .source-modal-head,
  .source-modal-body {
    padding: 16px;
  }
  .source-row-list {
    grid-template-columns: 1fr;
  }
  .source-row-list dt {
    border-bottom: 0;
    padding-bottom: 2px;
  }
  .source-row-list dd {
    padding-top: 2px;
  }
}

/* Adminator-based workspace theme */
:root {
  --brand-blue: #173eac;
  --brand-blue-2: #245fcb;
  --brand-light: #50c8ff;
  --brand-orange: #f58345;
  --brand-green: #4fb84e;
  --brand-violet: #6450c8;
  --bg: #eef5ff;
  --bg-soft: #f8fbff;
  --panel: #ffffff;
  --panel-strong: #ffffff;
  --line: rgba(23, 62, 172, 0.12);
  --line-strong: rgba(23, 62, 172, 0.22);
  --text: #17304f;
  --muted: #64738d;
  --faint: #8ba0bf;
  --danger: #b42318;
  --warn: #f58345;
  --ok: #4fb84e;
  --shadow: 0 10px 24px rgba(23, 62, 172, 0.08);
  --shadow-sm: 0 4px 12px rgba(23, 62, 172, 0.05);
  --radius-xl: 10px;
  --radius-lg: 8px;
  --radius-md: 6px;
  --radius-sm: 4px;
}

body {
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: var(--bg);
}

body.app-shell {
  background: var(--bg);
}

a {
  color: var(--brand-blue);
}

.sidebar {
  width: 248px;
  padding: 20px 16px 16px;
  color: var(--muted);
  background: var(--panel);
  border-right: 1px solid var(--line);
  box-shadow: none;
}

.sidebar::before,
.sidebar::after {
  display: none;
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(23, 62, 172, 0.18);
}

.brand,
.nav,
.user-box {
  z-index: 1;
}

.brand {
  min-height: 56px;
  gap: 12px;
  margin: 0 -2px 14px;
  padding: 0 4px 18px;
  color: var(--text);
  border-bottom: 1px solid rgba(23, 62, 172, 0.08);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  overflow: visible;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand-blue), var(--brand-blue-2) 64%, var(--brand-light));
  color: #ffffff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0;
  box-shadow: 0 8px 16px rgba(23, 62, 172, 0.2);
}

.brand-mark::before,
.brand-mark::after {
  display: none;
}

.brand-mark.large {
  width: 42px;
  height: 42px;
  margin: 0 auto 12px;
  font-size: 12px;
}

.brand-logo {
  display: block;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgba(23, 62, 172, 0.2));
}

.brand-logo.large {
  width: 68px;
  height: 68px;
  margin: 0 auto 12px;
}

.brand strong {
  display: block;
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0;
}

.brand span,
.user-box span {
  display: block;
  margin-top: 3px;
  color: var(--faint);
  font-size: 11px;
  line-height: 1.45;
}

.nav {
  gap: 4px;
  padding-top: 2px;
}

.nav a,
.admin-nav summary {
  position: relative;
  width: 100%;
  border: 0;
  border-radius: var(--radius-lg);
  padding: 10px 12px 10px 16px;
  background: transparent;
  color: var(--muted);
  box-shadow: none;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
}

.nav a:hover,
.admin-nav summary:hover {
  transform: none;
  background: var(--bg-soft);
  color: var(--text);
  text-decoration: none;
}

.nav a.active,
.admin-nav summary.active,
.admin-nav[open] summary {
  background: #edf4ff;
  color: var(--brand-blue);
  border-color: transparent;
  box-shadow: inset 3px 0 0 var(--brand-blue);
}

.admin-nav {
  gap: 4px;
}

.admin-nav summary::after {
  color: var(--faint);
  font-weight: 800;
}

.admin-subnav {
  gap: 2px;
  padding: 5px 0 8px 14px;
}

.admin-subnav a {
  border-radius: var(--radius-md);
  padding: 8px 10px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

.admin-subnav a.active {
  color: var(--brand-blue);
  background: #edf4ff;
}

.user-box {
  margin-top: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
  box-shadow: none;
  padding: 14px;
}

.user-box strong {
  display: block;
  color: var(--text);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.logout-link {
  color: var(--brand-blue);
}

body.app-shell .page {
  min-height: 100vh;
  min-width: 0;
  margin-left: 248px;
  padding: 0 30px 34px;
  overflow-x: hidden;
  background: var(--bg);
}

.adminator-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 -30px 28px;
  padding: 0 30px;
  border-bottom: 1px solid rgba(23, 62, 172, 0.1);
  background: rgba(238, 245, 255, 0.9);
  backdrop-filter: blur(14px);
}

.crumbs {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 8px;
  color: var(--faint);
  font-size: 13px;
  font-weight: 700;
}

.crumbs strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.crumbs .sep {
  color: rgba(23, 62, 172, 0.22);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.topbar-logout-form {
  margin: 0;
}

.topbar-button,
.topbar-user {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  font-size: 12px;
  font-weight: 800;
}

.topbar-button {
  border: 1px solid var(--line);
  color: var(--brand-blue);
  box-shadow: none;
}

.topbar-button:hover {
  border-color: var(--line-strong);
  background: #f7fbff;
}

.topbar-user {
  color: var(--muted);
  box-shadow: inset 0 0 0 1px var(--line);
}

.login-page {
  background:
    radial-gradient(circle at 15% 18%, rgba(80, 200, 255, 0.2), transparent 30%),
    radial-gradient(circle at 88% 12%, rgba(23, 62, 172, 0.12), transparent 24%),
    var(--bg);
}

.login-page .page {
  width: min(440px, 100%);
  min-height: auto;
  margin: 0;
  padding: 0;
}

h1,
h2 {
  color: var(--text);
  letter-spacing: 0;
}

h1 {
  font-size: 30px;
  line-height: 1.15;
}

h2 {
  margin-bottom: 12px;
  color: var(--text);
  font-size: 17px;
  font-weight: 800;
}

p {
  color: var(--muted);
}

.dashboard-hero {
  min-height: auto;
  margin-bottom: 22px;
  border-radius: 0;
  padding: 0;
  color: var(--text);
  background: transparent;
  box-shadow: none;
}

.hero-rays {
  display: none;
}

.hero-kicker {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--brand-blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.dashboard-hero h1 {
  max-width: 820px;
  margin: 8px 0;
  color: var(--text);
  font-size: 38px;
  font-weight: 850;
  line-height: 1.15;
}

.dashboard-hero p {
  max-width: 900px;
  color: var(--muted);
  font-size: 14px;
}

.hero-meta {
  gap: 8px;
  margin-top: 14px;
}

.hero-meta span,
.hero-meta label {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  color: var(--muted);
  box-shadow: var(--shadow-sm);
}

.hero-meta strong {
  color: var(--text);
}

.hero-meta select {
  color: var(--text);
}

.section,
.panel,
.card,
.camera-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
  padding: 18px;
}

.section + .section,
.grid + .section,
.dashboard-hero + .section,
.kpi-grid + .section,
.main > section + section {
  margin-top: 16px;
}

.kpi-grid {
  gap: 18px;
}

.kpi {
  min-height: 154px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
  background: var(--panel);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.kpi:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.dashboard-kpis .kpi:first-child,
.kpi.brand-blue:first-child {
  border-color: var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
}

.dashboard-kpis .kpi:first-child span,
.dashboard-kpis .kpi:first-child em {
  color: var(--muted);
}

.dashboard-kpis .kpi:first-child strong {
  color: var(--brand-blue);
}

.kpi span,
.kpi .label {
  margin-bottom: 16px;
  color: var(--faint);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.kpi strong,
.kpi .value {
  color: var(--text);
  font-size: 34px;
  font-weight: 850;
  letter-spacing: 0;
}

.kpi em {
  color: var(--muted);
  font-size: 12px;
}

.kpi.brand-blue strong,
.kpi.brand-light strong {
  color: var(--brand-blue);
}

.kpi.brand-orange strong {
  color: var(--brand-orange);
}

.kpi.brand-green strong {
  color: var(--brand-green);
}

.kpi.brand-violet strong {
  color: var(--brand-violet);
}

.panel-heading span {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-lg);
  background: #edf4ff;
  color: var(--brand-blue);
  font-size: 12px;
}

.panel-heading h2 {
  color: var(--text);
  font-size: 20px;
}

.status-grid div {
  border-color: var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-soft);
}

.status-grid strong {
  color: var(--brand-blue);
}

input,
select,
textarea {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #ffffff;
  color: var(--text);
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(23, 62, 172, 0.12);
  border-color: var(--brand-blue);
}

label {
  color: var(--muted);
  font-weight: 700;
}

button,
.button {
  border: 1px solid var(--brand-blue);
  border-radius: var(--radius-lg);
  background: var(--brand-blue);
  color: #ffffff;
  box-shadow: 0 8px 16px rgba(23, 62, 172, 0.18);
}

button:hover,
.button:hover {
  text-decoration: none;
}

button.secondary,
.button.secondary {
  border-color: var(--line);
  background: var(--panel);
  color: var(--brand-blue);
  box-shadow: none;
}

button.danger,
.danger-button {
  border-color: var(--danger);
  background: var(--danger);
  box-shadow: 0 8px 16px rgba(180, 35, 24, 0.18);
}

.form-grid {
  gap: 12px;
}

.form-title strong {
  color: var(--text);
}

.table-action {
  border-radius: var(--radius-md);
}

.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: none;
}

table {
  background: var(--panel);
}

th,
td {
  border-color: rgba(23, 62, 172, 0.08);
}

th {
  background: #f7fbff;
  color: var(--muted);
}

tr:hover td {
  background: #f8fbff;
}

.teacher-pivot-table th[colspan],
.teacher-pivot-table th[data-sort-index="4"],
.teacher-pivot-table td:nth-child(5) {
  border-left-color: rgba(23, 62, 172, 0.12);
}

.teacher-pivot-table td.data-warning-cell,
.teacher-pivot-table tr:hover td.data-warning-cell {
  background: #fff3df;
}

.badge,
.pill,
.tag {
  border-color: rgba(23, 62, 172, 0.14);
  background: #edf4ff;
  color: var(--brand-blue);
}

.badge.warning {
  border-color: rgba(245, 131, 69, 0.24);
  background: #fff6ef;
  color: var(--warn);
}

.badge.critical,
.badge.error {
  border-color: rgba(180, 35, 24, 0.24);
  background: #fff2f2;
  color: var(--danger);
}

.badge.success,
.badge.imported {
  border-color: rgba(79, 184, 78, 0.24);
  background: #eff9ef;
  color: var(--ok);
}

.source-row-button {
  border-color: var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  color: var(--brand-blue);
}

.source-row-button:hover {
  border-color: var(--line-strong);
  background: #f7fbff;
}

.source-modal-backdrop {
  background: rgba(23, 48, 79, 0.34);
}

.source-modal {
  border-color: var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(23, 62, 172, 0.18);
}

.source-modal-head {
  border-bottom-color: rgba(23, 62, 172, 0.1);
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
}

.source-modal-kicker {
  color: var(--brand-blue);
}

.source-modal h2 {
  color: var(--text);
}

.source-modal-close {
  border-color: var(--line);
  border-radius: var(--radius-lg);
  color: var(--brand-blue);
}

.source-modal-close:hover {
  background: #edf4ff;
}

.source-row-list {
  border-color: rgba(23, 62, 172, 0.1);
  border-radius: var(--radius-lg);
}

.source-row-list dt,
.source-row-list dd {
  border-bottom-color: rgba(23, 62, 172, 0.08);
}

.source-row-list dt {
  background: #f7fbff;
  color: var(--muted);
}

.source-row-list dd {
  color: var(--text);
}

.message {
  border-color: var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
}

.auth-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: 0 20px 60px rgba(23, 62, 172, 0.11);
}

.auth-panel h1 {
  color: var(--text);
  font-size: 32px;
}

.auth-panel p {
  color: var(--muted);
}

.auth-panel .form-grid {
  display: grid;
  grid-template-columns: 1fr;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.detail-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.detail-head h1 {
  max-width: 860px;
}

.detail-version-form {
  flex: 0 0 min(340px, 100%);
  margin-bottom: 0;
}

.detail-kpis {
  grid-template-columns: repeat(3, minmax(180px, 1fr));
}

.detail-kpis .kpi {
  min-height: 118px;
}

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.inline-form {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
}

.inline-form input {
  min-width: 150px;
  max-width: 220px;
}

.queue-card {
  display: grid;
  gap: 8px;
  color: inherit;
  text-decoration: none;
}

.queue-card strong {
  color: var(--brand-blue);
  font-size: 30px;
}

@media (max-width: 1180px) {
  .sidebar {
    width: 232px;
  }

  body.app-shell .page {
    margin-left: 232px;
    padding-right: 22px;
    padding-left: 22px;
  }

  .adminator-topbar {
    margin-right: -22px;
    margin-left: -22px;
    padding-right: 22px;
    padding-left: 22px;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
  }
}

@media (max-width: 860px) {
  .sidebar {
    position: static;
    width: auto;
    height: auto;
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  body.app-shell .page {
    margin-left: 0;
    padding: 0 18px 28px;
  }

  .adminator-topbar {
    margin: 0 -18px 22px;
    padding: 0 18px;
  }

  .topbar-user {
    display: none;
  }

  .detail-head {
    display: grid;
  }

  .detail-version-form {
    flex-basis: auto;
  }

  .grid.two,
  .grid.three,
  .grid.four,
  .form-grid,
  .status-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-hero {
    border-radius: 0;
    padding: 0;
  }

  .dashboard-hero h1 {
    font-size: 30px;
  }

  .kpi strong,
  .kpi .value {
    font-size: 30px;
  }

  .hero-meta label,
  .hero-meta select {
    width: 100%;
    max-width: none;
  }

  .source-modal {
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 640px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .detail-kpis {
    grid-template-columns: 1fr;
  }

  .adminator-topbar {
    align-items: flex-start;
    min-height: 60px;
    flex-direction: column;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .crumbs,
  .topbar-actions {
    width: 100%;
  }

  .topbar-actions {
    justify-content: space-between;
  }

  .toolbar > * {
    min-width: 0;
  }
}