/* =============================================================================
   StatDistrict — базовый слой
   -----------------------------------------------------------------------------
   Переопределения Bootstrap и общие компоненты, которые используют и школьный,
   и административный интерфейс. Подключается после tokens.css.
   ============================================================================= */

/* -----------------------------------------------------------------------------
   Bootstrap-переменные
   -------------------------------------------------------------------------- */
:root {
  --bs-body-font-family: var(--font-ui);
  --bs-body-font-size: var(--text-base);
  --bs-body-color: var(--ink);
  --bs-body-bg: var(--bg);
  --bs-border-color: var(--line);
  --bs-border-radius: var(--r-md);
  --bs-primary: #0078c9;
  --bs-primary-rgb: 0, 120, 201;
  --bs-link-color: var(--brand-700);
  --bs-link-hover-color: var(--brand-800);
  --bs-link-color-rgb: 0, 96, 163;
  --bs-secondary-color: var(--muted);
  --bs-emphasis-color: var(--ink);
}

/* -----------------------------------------------------------------------------
   Основа
   -------------------------------------------------------------------------- */
html {
  font-family: var(--font-ui);
  -webkit-text-size-adjust: 100%;
  min-height: 100%;
  background-color: var(--bg);
  background-image: var(--sky-mesh);
}

html::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 90;
  opacity: 0.03;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

.sky-spot {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(560px circle at var(--mx, 48vw) var(--my, 14vh), rgba(255, 255, 255, 0.38), transparent 58%);
  mix-blend-mode: soft-light;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv05" 1, "ss03" 1; /* открытая «l», скруглённые кавычки */
}

.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--font-display);
  font-weight: 650;
  letter-spacing: -0.017em;
  color: var(--ink);
}

a {
  color: var(--brand-700);
  text-decoration: none;
  transition: color 0.15s var(--ease);
}
a:hover { color: var(--brand-800); }

hr { border-color: var(--line); opacity: 1; }

::selection {
  background: var(--brand-100);
  color: var(--brand-900);
}

/* Скроллбар в стиле интерфейса */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--n-300) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--n-300);
  border-radius: var(--r-pill);
  border: 3px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background-clip: content-box; background-color: var(--n-400); }

/* -----------------------------------------------------------------------------
   Числа. Всё табличное выравнивается по разрядам.
   -------------------------------------------------------------------------- */
.num,
table td,
table th,
.stat-number,
.kpi-value,
input[type="number"],
input[type="date"] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "cv05" 1;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.92em;
  letter-spacing: -0.01em;
}

/* -----------------------------------------------------------------------------
   Типографические утилиты
   -------------------------------------------------------------------------- */
.eyebrow {
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.text-muted { color: var(--muted) !important; }
.text-dim { color: var(--muted-2); }
.fs-tiny { font-size: var(--text-xs); }
.lead-sm { font-size: var(--text-md); color: var(--ink-soft); }

/* -----------------------------------------------------------------------------
   Карточки
   -------------------------------------------------------------------------- */
.card {
  position: relative;
  isolation: isolate;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-glass);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.card::after,
.panel::after,
.kpi::after,
.dash-hero::after,
.auth-card::after,
.auth-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent 42%),
    radial-gradient(220px circle at var(--lx, 30%) var(--ly, 0%), rgba(255, 255, 255, 0.16), transparent 58%);
  opacity: 0.55;
  z-index: 0;
}

.card > *,
.panel > *,
.kpi > *,
.dash-hero > *,
.auth-card > *,
.auth-visual > * {
  position: relative;
  z-index: 1;
}

.card:hover,
.panel:hover {
  box-shadow: var(--sh-glass), var(--sh-bloom);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--line-soft);
  padding: 0.9rem 1.15rem;
  font-weight: 650;
  font-size: var(--text-md);
  color: var(--ink);
}

.card-body { padding: 1.15rem; }
.card-footer {
  background: var(--surface-2);
  border-top: 1px solid var(--line-soft);
  padding: 0.75rem 1.15rem;
}

/* Панель — базовый блок интерфейса */
.panel {
  position: relative;
  isolation: isolate;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-glass);
  overflow: hidden;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.9rem 1.15rem;
  border-bottom: 1px solid rgba(148, 186, 214, 0.22);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent);
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-size: var(--text-md);
  font-weight: 650;
  color: var(--ink);
}

.panel-title i { color: var(--brand-500); font-size: 1.05em; }
.panel-subtitle {
  margin: 0.2rem 0 0;
  font-size: var(--text-xs);
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}

.panel-body { padding: 1.15rem; }
.panel-body-flush { padding: 0; }

/* -----------------------------------------------------------------------------
   KPI-карточки
   -------------------------------------------------------------------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.85rem;
}

.kpi-grid .kpi {
  animation: riseIn 0.62s var(--ease) both;
}
.kpi-grid .kpi:nth-child(1) { animation-delay: 0.04s; }
.kpi-grid .kpi:nth-child(2) { animation-delay: 0.1s; }
.kpi-grid .kpi:nth-child(3) { animation-delay: 0.16s; }
.kpi-grid .kpi:nth-child(4) { animation-delay: 0.22s; }
.kpi-grid .kpi:nth-child(5) { animation-delay: 0.28s; }
.kpi-grid .kpi:nth-child(6) { animation-delay: 0.34s; }

@keyframes riseIn {
  from { opacity: 0; transform: translateY(14px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

@keyframes orbPulse {
  0%, 100% { filter: drop-shadow(0 6px 14px rgba(2, 132, 199, 0.28)); transform: scale(1); }
  50% { filter: drop-shadow(0 10px 26px rgba(56, 189, 248, 0.55)); transform: scale(1.04); }
}

.kpi {
  --kpi-glow: var(--sh-neon-brand);
  --kpi-ring: rgba(56, 189, 248, 0.45);
  position: relative;
  isolation: isolate;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  border: 1px solid var(--kpi-ring);
  border-radius: var(--r-lg);
  padding: 1.05rem 1.15rem 1rem;
  box-shadow: var(--sh-glass), 0 0 0 1px color-mix(in srgb, var(--kpi-ring) 55%, transparent),
    0 0 22px color-mix(in srgb, var(--kpi-ring) 42%, transparent);
  overflow: hidden;
  transition: box-shadow 0.22s var(--ease), transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.kpi:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh-md), 0 0 28px color-mix(in srgb, var(--kpi-ring) 55%, transparent);
}

.kpi-label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: var(--text-xs);
  font-weight: 650;
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--muted);
  margin-bottom: 0.7rem;
}

.kpi-label i {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  font-size: 0.95rem;
  color: var(--kpi-accent, var(--brand-500));
  background: color-mix(in srgb, var(--kpi-accent, var(--brand-400)) 14%, #fff);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--kpi-accent, var(--brand-400)) 18%, transparent);
}

.kpi-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 680;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.kpi-value small {
  font-size: 0.45em;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0;
  margin-left: 0.15em;
}

.kpi-hint {
  margin-top: 0.3rem;
  font-size: var(--text-xs);
  color: var(--muted);
}

.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: var(--text-xs);
  font-weight: 650;
  margin-top: 0.35rem;
}
.kpi-trend.up { color: var(--ok); }
.kpi-trend.down { color: var(--bad); }
.kpi-trend.flat { color: var(--muted); }

/* Акцентные варианты */
.kpi--brand { --kpi-accent: var(--brand-500); --kpi-glow: var(--sh-neon-brand); --kpi-ring: rgba(14, 165, 233, 0.55); }
.kpi--ok    { --kpi-accent: var(--ok-500); --kpi-glow: var(--sh-neon-ok); --kpi-ring: rgba(16, 185, 129, 0.7); }
.kpi--warn  { --kpi-accent: var(--warn-500); --kpi-glow: var(--sh-neon-warn); --kpi-ring: rgba(245, 158, 11, 0.75); }
.kpi--bad   { --kpi-accent: var(--bad-500); --kpi-glow: var(--sh-neon-bad); --kpi-ring: rgba(239, 68, 68, 0.75); }
.kpi--info  { --kpi-accent: var(--info-500); --kpi-glow: var(--sh-neon-brand); --kpi-ring: rgba(14, 165, 233, 0.55); }
.kpi--muted { --kpi-accent: var(--n-400); --kpi-glow: var(--sh-sm); --kpi-ring: rgba(148, 163, 184, 0.45); }
.kpi--cert  { --kpi-accent: #ea580c; --kpi-glow: var(--sh-neon-warn); --kpi-ring: rgba(245, 158, 11, 0.7); }

.kpi--ok,
.kpi--warn,
.kpi--bad {
  animation: kpiGlowPulse 2.4s ease-in-out infinite;
}

@keyframes kpiGlowPulse {
  0%, 100% {
    box-shadow: var(--sh-glass), 0 0 0 1px color-mix(in srgb, var(--kpi-ring) 50%, transparent),
      0 0 16px color-mix(in srgb, var(--kpi-ring) 32%, transparent);
  }
  50% {
    box-shadow: var(--sh-glass), 0 0 0 1px color-mix(in srgb, var(--kpi-ring) 80%, transparent),
      0 0 28px color-mix(in srgb, var(--kpi-ring) 55%, transparent);
  }
}

.kpi--ok .kpi-value,
.kpi--warn .kpi-value,
.kpi--bad .kpi-value,
.kpi--info .kpi-value { color: var(--ink); }

/* Спарклайн внутри KPI */
.kpi-spark { height: 34px; margin-top: 0.5rem; }

/* -----------------------------------------------------------------------------
   Таблицы
   -------------------------------------------------------------------------- */
.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--ink);
  margin-bottom: 0;
  font-size: var(--text-base);
}

.table > :not(caption) > * > * {
  padding: 0.62rem 0.85rem;
  border-bottom-color: var(--line-soft);
}

.table thead th {
  background: var(--surface-2);
  color: var(--muted);
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.table tbody tr { transition: background 0.12s var(--ease); }
.table tbody tr:hover { background: var(--brand-50); }
.table tbody td { vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }

/* Липкая шапка для длинных таблиц */
.table-sticky thead th {
  position: sticky;
  top: 0;
  z-index: 3;
  box-shadow: inset 0 -1px 0 var(--line);
}

.table-scroll {
  max-height: var(--table-max-h, 560px);
  overflow: auto;
  border-radius: 0 0 var(--r-lg) var(--r-lg);
}

/* Числовые колонки */
.table .col-num { text-align: right; font-variant-numeric: tabular-nums; }
.table .col-num-strong {
  text-align: right;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

/* Подсветка итоговой строки */
.table tr.row-total {
  background: var(--surface-2);
  font-weight: 650;
}
.table tr.row-total:hover { background: var(--surface-3); }

/* Микро-полоса внутри ячейки, показывающая долю */
.cell-bar {
  position: relative;
  display: block;
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--n-100);
  overflow: hidden;
  margin-top: 0.25rem;
  min-width: 56px;
}
.cell-bar > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--brand-500);
  transition: width 0.5s var(--ease);
}
.cell-bar.is-ok > span   { background: var(--ok-500); }
.cell-bar.is-warn > span { background: var(--warn-500); }
.cell-bar.is-bad > span  { background: var(--bad-500); }

/* -----------------------------------------------------------------------------
   Бейджи и статусы
   -------------------------------------------------------------------------- */
.badge {
  font-weight: 650;
  font-size: var(--text-2xs);
  letter-spacing: 0.02em;
  padding: 0.3em 0.62em;
  border-radius: var(--r-xs);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--r-xs);
  font-size: var(--text-2xs);
  font-weight: 650;
  line-height: 1.5;
  white-space: nowrap;
  border: 1px solid transparent;
}

.chip i { font-size: 1.05em; }

.chip--neutral { background: var(--n-100); color: var(--n-700); border-color: var(--n-200); }
.chip--brand   { background: var(--brand-50); color: var(--brand-800); border-color: var(--brand-200); }
.chip--ok      { background: var(--ok-bg); color: var(--ok); border-color: var(--ok-line); }
.chip--warn    { background: var(--warn-bg); color: var(--warn); border-color: var(--warn-line); }
.chip--bad     { background: var(--bad-bg); color: var(--bad); border-color: var(--bad-line); }
.chip--info    { background: var(--info-bg); color: var(--info); border-color: var(--info-line); }

/* Точка-индикатор состояния */
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex: 0 0 auto;
}
.dot--ok { background: var(--ok-500); }
.dot--warn { background: var(--warn-500); }
.dot--bad { background: var(--bad-500); }
.dot--muted { background: var(--n-400); }

/* -----------------------------------------------------------------------------
   Кнопки
   -------------------------------------------------------------------------- */
.btn {
  --bs-btn-font-weight: 600;
  --bs-btn-border-radius: var(--r-pill);
  font-size: var(--text-base);
  padding: 0.44rem 0.9rem;
  position: relative;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease), transform 0.2s var(--ease-spring, var(--ease));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(1px);
}
.btn:focus-visible { box-shadow: var(--sh-focus); outline: none; }

.btn-primary {
  --bs-btn-bg: var(--brand-600);
  --bs-btn-border-color: transparent;
  --bs-btn-hover-bg: var(--brand-700);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-active-bg: var(--brand-800);
  --bs-btn-active-border-color: transparent;
  --bs-btn-disabled-bg: var(--brand-300);
  --bs-btn-disabled-border-color: var(--brand-300);
  overflow: hidden;
  isolation: isolate;
  border-radius: var(--r-pill) !important;
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.24), transparent 52%);
  box-shadow: 0 10px 24px -8px rgba(0, 120, 201, 0.62),
    inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 28%, rgba(255, 255, 255, 0.42) 48%, transparent 64%);
  transform: translateX(-130%);
  transition: transform 0.62s var(--ease);
  pointer-events: none;
}

.btn-primary:hover::after {
  transform: translateX(130%);
}

.btn-outline-primary {
  --bs-btn-color: var(--brand-700);
  --bs-btn-border-color: var(--brand-200);
  --bs-btn-hover-bg: var(--brand-50);
  --bs-btn-hover-border-color: var(--brand-300);
  --bs-btn-hover-color: var(--brand-800);
  --bs-btn-active-bg: var(--brand-100);
  --bs-btn-active-border-color: var(--brand-300);
  --bs-btn-active-color: var(--brand-900);
  border-radius: var(--r-pill) !important;
}

/* Нейтральная кнопка — рабочая лошадка панели инструментов */
.btn-ghost {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: var(--r-pill) !important;
  box-shadow: var(--sh-xs);
}
.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn-sm { font-size: var(--text-xs); padding: 0.28rem 0.62rem; }
.btn-lg { font-size: var(--text-md); padding: 0.62rem 1.25rem; }

/* -----------------------------------------------------------------------------
   Формы
   -------------------------------------------------------------------------- */
.form-label {
  font-size: var(--text-xs);
  font-weight: 650;
  color: var(--ink-soft);
  margin-bottom: 0.3rem;
}

.form-control,
.form-select {
  font-size: var(--text-base);
  border-radius: var(--r-lg);
  border-color: var(--line-strong);
  color: var(--ink);
  padding: 0.5rem 0.8rem;
  background-color: var(--surface);
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

.form-control::placeholder { color: var(--muted-2); }

.form-control:focus,
.form-select:focus {
  border-color: var(--brand-400);
  box-shadow: var(--sh-focus);
}

.form-control:disabled,
.form-select:disabled {
  background: var(--surface-3);
  color: var(--muted);
}

.form-select {
  background-position: right 0.75rem center;
  padding-right: 2.4rem;
}

.form-select-sm {
  border-radius: var(--r-md);
  padding-top: 0.28rem;
  padding-bottom: 0.28rem;
}

/* Выпадающий список: скругление в браузерах с customizable <select> */
@supports (appearance: base-select) {
  .form-select {
    appearance: base-select;
    background-image: none;
  }

  .form-select::picker-icon {
    color: var(--brand-600);
    opacity: 0.85;
  }

  .form-select::picker(select) {
    appearance: base-select;
    margin-top: 0.35rem;
    padding: 0.4rem;
    border: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
    border-radius: var(--r-xl);
    background: var(--glass-strong, rgba(255, 255, 255, 0.92));
    -webkit-backdrop-filter: blur(var(--glass-blur, 18px)) saturate(var(--glass-sat, 1.3));
    backdrop-filter: blur(var(--glass-blur, 18px)) saturate(var(--glass-sat, 1.3));
    box-shadow: var(--sh-lg), var(--sh-glass, 0 8px 28px rgba(12, 74, 110, 0.12));
    color: var(--ink);
  }

  .form-select option {
    border-radius: var(--r-md);
    padding: 0.55rem 0.75rem;
    margin: 0.1rem 0;
    background: transparent;
    color: var(--ink);
  }

  .form-select option:hover,
  .form-select option:focus,
  .form-select option:checked {
    background: var(--brand-50);
    color: var(--brand-800);
  }
}

/* Bootstrap dropdown / меню */
.dropdown-menu {
  --bs-dropdown-border-radius: var(--r-xl);
  --bs-dropdown-inner-border-radius: var(--r-lg);
  --bs-dropdown-padding-y: 0.4rem;
  --bs-dropdown-spacer: 0.35rem;
  --bs-dropdown-border-color: color-mix(in srgb, var(--line) 75%, transparent);
  --bs-dropdown-bg: var(--glass-strong, #fff);
  --bs-dropdown-link-hover-bg: var(--brand-50);
  --bs-dropdown-link-active-bg: var(--brand-100);
  --bs-dropdown-link-active-color: var(--brand-800);
  border-radius: var(--r-xl) !important;
  box-shadow: var(--sh-lg), var(--sh-glass, none);
  overflow: hidden;
  -webkit-backdrop-filter: blur(var(--glass-blur, 18px)) saturate(var(--glass-sat, 1.3));
  backdrop-filter: blur(var(--glass-blur, 18px)) saturate(var(--glass-sat, 1.3));
}

.dropdown-item {
  border-radius: var(--r-md);
  margin: 0.12rem 0.35rem;
  width: auto;
  padding: 0.5rem 0.75rem;
}

.dropdown-menu.show {
  animation: dropdownIn 0.22s var(--ease);
}

@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-4px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.form-check-input:checked {
  background-color: var(--brand-600);
  border-color: var(--brand-600);
}
.form-check-input:focus { box-shadow: var(--sh-focus); border-color: var(--brand-400); }

/* Сетка чекбоксов (предметы ЕГЭ / педагоги) */
.ege-grid,
.teacher-subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.35rem 0.75rem;
  max-height: 220px;
  overflow: auto;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface-2);
}

/* Панель фильтров */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-glass);
}

.filter-bar .field { display: flex; flex-direction: column; min-width: 150px; }
.filter-bar .field--grow { flex: 1 1 200px; }
.filter-bar .spacer { flex: 1 1 auto; }
.filter-bar .actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* -----------------------------------------------------------------------------
   Уведомления
   -------------------------------------------------------------------------- */
.alert {
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-size: var(--text-base);
  padding: 0.7rem 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}
.alert > i { font-size: 1.1em; line-height: 1.4; flex: 0 0 auto; }
.alert-info    { background: var(--info-bg); color: var(--info); border-color: var(--info-line); }
.alert-success { background: var(--ok-bg); color: var(--ok); border-color: var(--ok-line); }
.alert-warning { background: var(--warn-bg); color: var(--warn); border-color: var(--warn-line); }
.alert-danger  { background: var(--bad-bg); color: var(--bad); border-color: var(--bad-line); }
.alert-secondary { background: var(--surface-2); color: var(--ink-soft); border-color: var(--line); }

/* -----------------------------------------------------------------------------
   Графики
   -------------------------------------------------------------------------- */
.chart-box {
  position: relative;
  width: 100%;
  height: var(--chart-h, 320px);
}
.chart-box canvas { display: block; }

/* Внешний тултип Chart.js — поверх панелей с overflow:hidden */
.mbd-chart-tooltip {
  position: fixed;
  z-index: 1080;
  max-width: min(320px, calc(100vw - 20px));
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.96);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.28);
  font-size: 12px;
  line-height: 1.4;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(2px);
  transition: opacity 0.12s ease, visibility 0.12s ease, transform 0.12s ease;
}
.mbd-chart-tooltip.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.mbd-chart-tooltip__title {
  font-weight: 650;
  font-size: 12.5px;
  letter-spacing: -0.01em;
  margin-bottom: 0.3rem;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.mbd-chart-tooltip__title[hidden] { display: none !important; }
.mbd-chart-tooltip__body {
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
}
.mbd-chart-tooltip__row {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
}
.mbd-chart-tooltip__swatch {
  width: 8px;
  height: 8px;
  margin-top: 0.28rem;
  border-radius: 50%;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-sizing: border-box;
}
.mbd-chart-tooltip__text {
  flex: 1 1 auto;
  color: rgba(255, 255, 255, 0.92);
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.mbd-chart-tooltip__footer {
  margin-top: 0.35rem;
  padding-top: 0.3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.65);
  font-size: 11px;
  white-space: normal;
  overflow-wrap: anywhere;
}

.chart-h-sm { --chart-h: 220px; }
.chart-h-md { --chart-h: 320px; }
.chart-h-lg { --chart-h: 420px; }
.chart-h-xl { --chart-h: 520px; }

.chart-note {
  font-size: var(--text-xs);
  color: var(--muted);
  margin: 0.7rem 0 0;
  line-height: 1.5;
}

/* Собственная легенда — компактнее и читабельнее встроенной в Chart.js */
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.85rem;
  margin-bottom: 0.85rem;
  max-height: 104px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.chart-legend .legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--text-xs);
  color: var(--ink-soft);
  cursor: pointer;
  user-select: none;
  padding: 0.12rem 0.3rem;
  border-radius: var(--r-xs);
  transition: background 0.12s var(--ease), opacity 0.12s var(--ease);
  border: 0;
  background: transparent;
  text-align: left;
  max-width: 260px;
}
.chart-legend .legend-item:hover { background: var(--surface-3); }
.chart-legend .legend-item.is-off { opacity: 0.38; }
.chart-legend .legend-item.is-off .legend-swatch { background: var(--n-300) !important; }

.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex: 0 0 auto;
}
.legend-swatch--line {
  width: 14px;
  height: 3px;
  border-radius: var(--r-pill);
}

.legend-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Легенда-шкала для тепловых карт */
.scale-legend {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--text-2xs);
  color: var(--muted);
}
.scale-legend .ramp {
  display: flex;
  border-radius: var(--r-xs);
  overflow: hidden;
  border: 1px solid var(--line);
}
.scale-legend .ramp i {
  width: 16px;
  height: 10px;
  display: block;
}

/* -----------------------------------------------------------------------------
   Тепловая карта заданий
   -------------------------------------------------------------------------- */
.heatmap {
  display: grid;
  gap: 3px;
  grid-template-columns: repeat(var(--hm-cols, 13), minmax(0, 1fr));
}

.heat-cell {
  position: relative;
  aspect-ratio: 1.35 / 1;
  min-height: 34px;
  border-radius: var(--r-xs);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xs);
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  background: var(--n-100);
  border: 1px solid transparent;
  transition: transform 0.12s var(--ease), box-shadow 0.12s var(--ease);
  cursor: default;
}
.heat-cell:hover {
  transform: scale(1.08);
  z-index: 2;
  box-shadow: var(--sh-md);
  border-color: var(--n-0);
}
.heat-cell .hm-idx {
  font-size: 9px;
  font-weight: 600;
  opacity: 0.68;
  letter-spacing: 0.02em;
}
.heat-cell .hm-val { font-size: var(--text-xs); line-height: 1.1; }

/* Уровни заполнения 0..4 */
.heat-0 { background: var(--bad-bg); color: var(--bad); border-color: var(--bad-line); }
.heat-1 { background: #fde9d5; color: #9a3412; }
.heat-2 { background: #fef3c7; color: #92400e; }
.heat-3 { background: #d1fae5; color: #065f46; }
.heat-4 { background: var(--ok-500); color: #fff; }
.heat-na { background: var(--n-100); color: var(--muted-2); border-color: var(--line); }

/* -----------------------------------------------------------------------------
   Пустые состояния и загрузка
   -------------------------------------------------------------------------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2.75rem 1.5rem;
  color: var(--muted);
}

.empty-state .es-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-lg);
  display: grid;
  place-items: center;
  background: var(--surface-3);
  color: var(--muted-2);
  font-size: 1.5rem;
  margin-bottom: 0.85rem;
}

.empty-state .es-title {
  font-size: var(--text-md);
  font-weight: 650;
  color: var(--ink-soft);
  margin-bottom: 0.25rem;
}
.empty-state .es-text { font-size: var(--text-sm); max-width: 420px; margin: 0 auto; }

.skeleton {
  background: linear-gradient(
    90deg,
    var(--n-100) 25%,
    var(--n-200) 37%,
    var(--n-100) 63%
  );
  background-size: 400% 100%;
  animation: skeleton 1.3s ease-in-out infinite;
  border-radius: var(--r-sm);
}
@keyframes skeleton {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

.chart-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  border-radius: var(--r-md);
  z-index: 4;
}

.spinner {
  width: 26px;
  height: 26px;
  border: 2.5px solid var(--brand-100);
  border-top-color: var(--brand-600);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* -----------------------------------------------------------------------------
   Всплывающие уведомления (MBD.toast)
   -------------------------------------------------------------------------- */
.mbd-toasts {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1080;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: min(380px, calc(100vw - 2rem));
  pointer-events: none;
}

.mbd-toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.65rem 0.75rem 0.65rem 0.85rem;
  border-radius: var(--r-md);
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(8px) saturate(var(--glass-sat));
  backdrop-filter: blur(8px) saturate(var(--glass-sat));
  border: 1px solid var(--line);
  border-left: 3px solid var(--n-400);
  box-shadow: var(--sh-lg);
  font-size: var(--text-base);
  color: var(--ink);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.mbd-toast.is-in { opacity: 1; transform: none; }
.mbd-toast.is-leaving { opacity: 0; transform: translateY(6px); }
.mbd-toast > i { font-size: 1.05rem; line-height: 1.35; flex: 0 0 auto; }
.mbd-toast-text { flex: 1 1 auto; line-height: 1.45; }

.mbd-toast-close {
  border: 0;
  background: none;
  color: var(--muted-2);
  font-size: 1.15rem;
  line-height: 1;
  padding: 0 0.15rem;
  cursor: pointer;
}
.mbd-toast-close:hover { color: var(--ink); }

.mbd-toast--success { border-left-color: var(--ok-500); }
.mbd-toast--success > i { color: var(--ok-500); }
.mbd-toast--error { border-left-color: var(--bad-500); }
.mbd-toast--error > i { color: var(--bad-500); }
.mbd-toast--warning { border-left-color: var(--warn-500); }
.mbd-toast--warning > i { color: var(--warn-500); }
.mbd-toast--info { border-left-color: var(--info-500); }
.mbd-toast--info > i { color: var(--info-500); }

/* -----------------------------------------------------------------------------
   Сортируемые заголовки таблиц
   -------------------------------------------------------------------------- */
th.is-sortable {
  cursor: pointer;
  user-select: none;
  padding-right: 1.4rem !important;
}
th.is-sortable:hover { color: var(--ink-soft); background: var(--surface-3); }
th.is-sortable:focus-visible { outline: 2px solid var(--brand-400); outline-offset: -2px; }

.sort-icon {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85em;
  opacity: 0.35;
}
.sort-icon.is-active { opacity: 1; color: var(--brand-600); }

.spinner--btn {
  width: 13px;
  height: 13px;
  border-width: 2px;
  border-color: rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  margin-right: 0.35rem;
  display: inline-block;
  vertical-align: -1px;
}

/* -----------------------------------------------------------------------------
   Прочее
   -------------------------------------------------------------------------- */
.divider-y {
  width: 1px;
  align-self: stretch;
  background: var(--line);
  margin: 0 0.25rem;
}

.nav-pills {
  --bs-nav-pills-border-radius: var(--r-sm);
  gap: 0.25rem;
}
.nav-pills .nav-link {
  color: var(--ink-soft);
  font-weight: 600;
  font-size: var(--text-base);
  padding: 0.35rem 0.8rem;
}
.nav-pills .nav-link:hover { background: var(--surface-3); }
.nav-pills .nav-link.active {
  background: var(--brand-600);
  color: #fff;
}

.modal-content {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-sat));
}
.modal-header { border-bottom-color: var(--line-soft); padding: 1rem 1.15rem; }
.modal-footer { border-top-color: var(--line-soft); padding: 0.85rem 1.15rem; }

.tooltip-inner {
  background: var(--n-900);
  border-radius: var(--r-sm);
  font-size: var(--text-xs);
  padding: 0.35rem 0.55rem;
}

/* Печать: убираем хром, оставляем данные */
@media print {
  .admin-sidebar,
  .admin-topbar,
  .filter-bar,
  .no-print,
  .btn { display: none !important; }
  .admin-content { padding: 0 !important; }
  .panel, .card { box-shadow: none !important; border-color: #ccc !important; break-inside: avoid; }
  body { background: #fff !important; }
  body::before,
  body::after,
  .auth-shell::before,
  .auth-shell::after,
  .admin-main::before,
  html::before,
  .sky-spot,
  .auth-sky { display: none !important; }
  .panel, .kpi, .card { background: #fff !important; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  :root {
    --surface: #ffffff;
    --surface-2: #f3f8fc;
    --glass: #ffffff;
    --glass-strong: #ffffff;
    --nav-bg: #ffffff;
    --nav-bg-2: #f3f8fc;
  }
  .glass,
  .app-header,
  .app-nav,
  .admin-topbar,
  .notify-panel,
  .auth-card,
  .modal-content,
  .mbd-toast,
  .chart-loading,
  .filter-bar,
  .analytics-tabs {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    background: #fff !important;
  }
  .admin-sidebar {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    background: #fff !important;
  }
  .panel,
  .kpi,
  .card,
  .exec-card {
    background: #fff !important;
  }
  body::before,
  body::after,
  .auth-shell::before,
  .auth-shell::after,
  .admin-main::before,
  .admin-main::after,
  html::before,
  .sky-spot,
  .auth-sky {
    display: none !important;
  }
}