/* ============================================================
   ЭкоГИС — дизайн-система
   Тёмная эко-тема: глубокий сине-зелёный фон, изумрудные акценты,
   стеклянные карточки, мягкие тени и плавные переходы.
   ============================================================ */

:root {
  --bg-0: #0b1416;
  --bg-1: #0f1b1e;
  --bg-2: #14242a;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(148, 210, 189, 0.12);
  --border-strong: rgba(148, 210, 189, 0.25);

  --text-1: #e8f1ef;
  --text-2: #9fb8b2;
  --text-3: #64807a;

  --accent: #2dd4a7;
  --accent-2: #34d399;
  --accent-soft: rgba(45, 212, 167, 0.14);
  --accent-glow: rgba(45, 212, 167, 0.35);

  --blue: #38bdf8;
  --violet: #a78bfa;
  --amber: #fbbf24;
  --orange: #fb923c;
  --red: #f87171;
  --red-soft: rgba(248, 113, 113, 0.15);
  --amber-soft: rgba(251, 191, 36, 0.14);
  --blue-soft: rgba(56, 189, 248, 0.14);
  --violet-soft: rgba(167, 139, 250, 0.14);

  --ok: var(--accent);
  --warning: var(--amber);
  --danger: var(--red);

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --sidebar-w: 248px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  font-family: var(--font);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text-1);
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(45, 212, 167, 0.07), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(56, 189, 248, 0.06), transparent 60%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 55%, var(--bg-2));
  background-attachment: fixed;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { margin: 0 0 .5rem; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: 1.55rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.02rem; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: rgba(148, 210, 189, 0.18); border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------------------------------------------------- Каркас */

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  background: rgba(10, 18, 20, 0.72);
  backdrop-filter: blur(14px);
  border-right: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 4px 10px 18px;
}

.brand-logo {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #0ea5e9);
  box-shadow: 0 4px 18px var(--accent-glow);
  color: #06281f;
}

.brand-name { font-size: 1.12rem; font-weight: 700; letter-spacing: -0.01em; }
.brand-name span { color: var(--accent); }
.brand-sub { font-size: .68rem; color: var(--text-3); letter-spacing: .08em; text-transform: uppercase; }

.nav { display: flex; flex-direction: column; gap: 3px; margin-top: 6px; }

.nav-section {
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 14px 12px 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-weight: 500;
  transition: background .15s, color .15s;
}

.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; opacity: .85; }
.nav-link:hover { background: var(--surface-2); color: var(--text-1); text-decoration: none; }

.nav-link.active {
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(45, 212, 167, 0.25);
}

.nav-badge {
  margin-left: auto;
  background: var(--red);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  border-radius: 99px;
  padding: 1px 7px;
}

.sidebar-footer { margin-top: auto; padding: 10px 6px 0; }

.userchip {
  display: flex; align-items: center; gap: 10px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
}

.avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: .78rem; font-weight: 700;
  background: linear-gradient(135deg, #134e4a, #115e59);
  color: var(--accent);
  flex-shrink: 0;
}

.userchip-name { font-size: .82rem; font-weight: 600; line-height: 1.2; }
.userchip-role { font-size: .7rem; color: var(--text-3); }

.logout-btn { margin-left: auto; color: var(--text-3); display: grid; place-items: center; }
.logout-btn:hover { color: var(--red); }

.main {
  flex: 1;
  min-width: 0;
  padding: 26px 30px 40px;
  max-width: 1500px;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.page-head p { margin: 2px 0 0; color: var(--text-2); }

/* ---------------------------------------------------- Карточки */

.card {
  background: linear-gradient(170deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.card + .card { margin-top: 18px; }
.card-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-title h2, .card-title h3 { margin: 0; }

.grid { display: grid; gap: 18px; }
.grid-kpi { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.grid-2 { grid-template-columns: 1.45fr 1fr; }
.grid-cards { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
@media (max-width: 1100px) { .grid-2 { grid-template-columns: 1fr; } }

/* KPI */

.kpi {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kpi-icon {
  position: absolute;
  right: 14px; top: 14px;
  width: 40px; height: 40px;
  border-radius: 12px;
  display: grid; place-items: center;
}

.kpi-icon svg { width: 20px; height: 20px; }
.kpi-icon.green { background: var(--accent-soft); color: var(--accent); }
.kpi-icon.blue { background: var(--blue-soft); color: var(--blue); }
.kpi-icon.amber { background: var(--amber-soft); color: var(--amber); }
.kpi-icon.red { background: var(--red-soft); color: var(--red); }
.kpi-icon.violet { background: var(--violet-soft); color: var(--violet); }

.kpi-label { color: var(--text-2); font-size: .8rem; font-weight: 500; }
.kpi-value { font-size: 1.9rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
.kpi-hint { font-size: .76rem; color: var(--text-3); }
.kpi-hint b { color: var(--text-2); }

/* AQI-шкала */
.aqi-good { color: #34d399; }
.aqi-moderate { color: #fbbf24; }
.aqi-sensitive { color: #fb923c; }
.aqi-unhealthy { color: #f87171; }
.aqi-very-unhealthy { color: #c084fc; }
.aqi-hazardous { color: #e879f9; }
.aqi-na { color: var(--text-3); }

/* ---------------------------------------------------- Бейджи и статусы */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: .73rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-ok { background: var(--accent-soft); color: var(--accent); }
.badge-warning { background: var(--amber-soft); color: var(--amber); }
.badge-danger { background: var(--red-soft); color: var(--red); }
.badge-muted { background: var(--surface-2); color: var(--text-2); }
.badge-blue { background: var(--blue-soft); color: var(--blue); }
.badge-violet { background: var(--violet-soft); color: var(--violet); }

.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-ok { background: var(--ok); box-shadow: 0 0 8px var(--accent-glow); }
.dot-warning { background: var(--warning); box-shadow: 0 0 8px rgba(251,191,36,.5); }
.dot-danger { background: var(--danger); box-shadow: 0 0 8px rgba(248,113,113,.5); }
.dot-offline { background: var(--text-3); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .45; }
}
.dot-danger { animation: pulse 1.6s ease-in-out infinite; }

/* ---------------------------------------------------- Таблицы */

.table-wrap { overflow-x: auto; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: .86rem;
}

table.data th {
  text-align: left;
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 600;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border-strong);
}

table.data td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

table.data tr:last-child td { border-bottom: none; }
table.data tbody tr { transition: background .12s; }
table.data tbody tr:hover { background: rgba(255,255,255,.03); }

.num { font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------- Формы и кнопки */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: var(--font);
  font-size: .86rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .12s, box-shadow .12s, background .15s;
  text-decoration: none !important;
}

.btn svg { width: 16px; height: 16px; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #14b8a6);
  color: #06281f;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-primary:hover { box-shadow: 0 6px 22px var(--accent-glow); }

.btn-ghost {
  background: var(--surface-2);
  color: var(--text-1);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--border-strong); }

.btn-danger { background: var(--red-soft); color: var(--red); border-color: rgba(248,113,113,.3); }
.btn-sm { padding: 5px 11px; font-size: .78rem; border-radius: 8px; }

.field { margin-bottom: 15px; }
.field label {
  display: block;
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
}

.input, select.input, textarea.input {
  width: 100%;
  padding: 10px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: rgba(8, 15, 17, 0.55);
  color: var(--text-1);
  font-family: var(--font);
  font-size: .9rem;
  transition: border-color .15s, box-shadow .15s;
}

.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45, 212, 167, 0.18);
}

select.input option { background: var(--bg-1); }
textarea.input { resize: vertical; min-height: 80px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 18px;
}
.filters .field { margin-bottom: 0; min-width: 160px; }
.filters .input { padding: 8px 11px; font-size: .84rem; }

.check { display: inline-flex; gap: 8px; align-items: center; font-size: .84rem; color: var(--text-2); cursor: pointer; }
.check input { accent-color: var(--accent); width: 15px; height: 15px; }

/* ---------------------------------------------------- Флэш-сообщения */

.flashes { position: fixed; top: 18px; right: 18px; z-index: 1200; display: flex; flex-direction: column; gap: 8px; max-width: 380px; }

.flash {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: .86rem;
  font-weight: 500;
  border: 1px solid;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  animation: slide-in .25s ease;
}

@keyframes slide-in {
  from { transform: translateX(30px); opacity: 0; }
  to { transform: none; opacity: 1; }
}

.flash-success { background: rgba(45,212,167,.12); border-color: rgba(45,212,167,.4); color: #a7f3d0; }
.flash-danger { background: rgba(248,113,113,.12); border-color: rgba(248,113,113,.4); color: #fecaca; }
.flash-warning { background: rgba(251,191,36,.12); border-color: rgba(251,191,36,.4); color: #fde68a; }
.flash-info { background: rgba(56,189,248,.12); border-color: rgba(56,189,248,.4); color: #bae6fd; }

/* ---------------------------------------------------- Страница входа */

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 30px 16px;
  position: relative;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .5;
  pointer-events: none;
  animation: float 14s ease-in-out infinite;
}

.blob-1 { width: 480px; height: 480px; background: rgba(45, 212, 167, 0.16); top: -140px; left: -100px; }
.blob-2 { width: 420px; height: 420px; background: rgba(56, 189, 248, 0.13); bottom: -120px; right: -80px; animation-delay: -7s; }
.blob-3 { width: 300px; height: 300px; background: rgba(167, 139, 250, 0.10); top: 40%; left: 60%; animation-delay: -3s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.08); }
}

.login-card {
  position: relative;
  width: 100%;
  max-width: 880px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: rgba(13, 23, 26, 0.78);
  backdrop-filter: blur(22px);
  box-shadow: 0 30px 80px rgba(0,0,0,.5);
}

@media (max-width: 820px) { .login-card { grid-template-columns: 1fr; } .login-hero { display: none; } }

.login-hero {
  padding: 42px 38px;
  background:
    radial-gradient(500px 300px at 20% 0%, rgba(45,212,167,.16), transparent 65%),
    linear-gradient(200deg, rgba(17,46,43,.9), rgba(10,20,24,.9));
  display: flex;
  flex-direction: column;
}

.login-hero h1 { font-size: 1.7rem; line-height: 1.25; margin-top: 26px; }
.login-hero h1 span { color: var(--accent); }
.login-hero p { color: var(--text-2); }

.hero-points { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }
.hero-point { display: flex; gap: 11px; align-items: center; font-size: .86rem; color: var(--text-2); }
.hero-point svg { width: 17px; height: 17px; color: var(--accent); flex-shrink: 0; }

.login-form { padding: 42px 38px; }
.login-form h2 { font-size: 1.25rem; margin-bottom: 4px; }
.login-form > p { color: var(--text-3); font-size: .85rem; margin: 0 0 22px; }

.demo-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 10px;
  color: var(--text-3);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.demo-title::before, .demo-title::after { content: ""; flex: 1; height: 1px; background: var(--border-strong); }

.demo-grid { display: grid; gap: 8px; }

.demo-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-1);
  font-family: var(--font);
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .12s;
}

.demo-btn:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateY(-1px); }
.demo-btn .demo-icon {
  width: 34px; height: 34px;
  border-radius: 10px;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.demo-btn .demo-icon svg { width: 17px; height: 17px; }
.demo-btn b { display: block; font-size: .85rem; }
.demo-btn small { color: var(--text-3); font-size: .72rem; }

/* ---------------------------------------------------- Карта */

.map-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
  height: calc(100vh - 150px);
  min-height: 540px;
}

@media (max-width: 1000px) { .map-layout { grid-template-columns: 1fr; height: auto; } #map { height: 480px; } }

.map-side { display: flex; flex-direction: column; gap: 14px; overflow-y: auto; padding-right: 4px; }

#map {
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  height: 100%;
  background: var(--bg-2);
  z-index: 1;
}

.leaflet-container { font-family: var(--font); }

.leaflet-popup-content-wrapper {
  background: rgba(13, 23, 26, 0.95);
  color: var(--text-1);
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.leaflet-popup-tip { background: rgba(13, 23, 26, 0.95); }
.leaflet-popup-content { margin: 14px 16px; min-width: 230px; }

.popup-title { font-weight: 700; font-size: .95rem; margin-bottom: 2px; }
.popup-sub { color: var(--text-3); font-size: .74rem; margin-bottom: 8px; }
.popup-row { display: flex; justify-content: space-between; gap: 12px; font-size: .8rem; padding: 3px 0; }
.popup-row .v { font-weight: 600; font-variant-numeric: tabular-nums; }
.popup-link { display: inline-block; margin-top: 8px; font-size: .8rem; font-weight: 600; }

.marker-pin {
  width: 26px; height: 26px;
  border-radius: 50% 50% 50% 4px;
  transform: rotate(-45deg);
  display: grid; place-items: center;
  border: 2px solid rgba(255,255,255,.85);
  box-shadow: 0 3px 10px rgba(0,0,0,.45);
}
.marker-pin svg { transform: rotate(45deg); width: 13px; height: 13px; color: #fff; }
.marker-ok { background: #10b981; }
.marker-warning { background: #f59e0b; }
.marker-danger { background: #ef4444; }
.marker-offline { background: #64748b; }

.layer-toggle { display: flex; flex-direction: column; gap: 7px; }

.layer-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  font-size: .85rem;
  transition: border-color .15s, background .15s;
}
.layer-item:hover { border-color: var(--border-strong); }
.layer-item.off { opacity: .45; }
.layer-item .sw { width: 12px; height: 12px; border-radius: 4px; }

.legend { display: flex; flex-direction: column; gap: 6px; font-size: .8rem; color: var(--text-2); }
.legend-row { display: flex; align-items: center; gap: 9px; }

.nearest-result { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.nearest-item {
  display: flex; justify-content: space-between; gap: 8px;
  font-size: .8rem;
  padding: 7px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.nearest-item b { font-weight: 600; }
.nearest-item .km { color: var(--accent); font-weight: 700; white-space: nowrap; }

.map-hint { font-size: .76rem; color: var(--text-3); }

/* ---------------------------------------------------- Станции */

.station-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .15s, border-color .15s;
}

.station-card:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.station-card .head { display: flex; align-items: flex-start; gap: 12px; }

.station-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.station-icon svg { width: 20px; height: 20px; }
.station-icon.air { background: var(--blue-soft); color: var(--blue); }
.station-icon.water { background: rgba(34,211,238,.14); color: #22d3ee; }
.station-icon.soil { background: rgba(217,164,90,.16); color: #d9a45a; }
.station-icon.radiation { background: var(--violet-soft); color: var(--violet); }

.station-card .name { font-weight: 650; line-height: 1.25; }
.station-card .meta { font-size: .76rem; color: var(--text-3); }
.station-card .foot { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 8px; border-top: 1px solid var(--border); }

.param-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); gap: 12px; }

.param-tile {
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.param-tile:hover { border-color: var(--border-strong); }
.param-tile.selected { border-color: var(--accent); background: var(--accent-soft); }
.param-tile .p-name { font-size: .73rem; color: var(--text-2); line-height: 1.3; min-height: 2.5em; }
.param-tile .p-value { font-size: 1.25rem; font-weight: 700; margin-top: 4px; }
.param-tile .p-value small { font-size: .68rem; color: var(--text-3); font-weight: 500; }
.param-tile .p-value.ok { color: var(--text-1); }
.param-tile .p-value.warning { color: var(--warning); }
.param-tile .p-value.danger { color: var(--danger); }

.chart-box { position: relative; height: 320px; }
.chart-box-sm { position: relative; height: 220px; }

/* ---------------------------------------------------- Оповещения */

.alert-row { display: flex; align-items: center; gap: 14px; padding: 12px 4px; border-bottom: 1px solid var(--border); }
.alert-row:last-child { border-bottom: none; }
.alert-ico { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; flex-shrink: 0; }
.alert-ico svg { width: 17px; height: 17px; }
.alert-ico.warning { background: var(--amber-soft); color: var(--amber); }
.alert-ico.danger { background: var(--red-soft); color: var(--red); }
.alert-body { min-width: 0; }
.alert-title { font-size: .87rem; font-weight: 600; }
.alert-meta { font-size: .74rem; color: var(--text-3); }

/* ---------------------------------------------------- Аналитика */

.rank-bar { height: 8px; border-radius: 4px; background: var(--surface-2); overflow: hidden; min-width: 120px; }
.rank-bar i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--accent), var(--blue)); }
.rank-bar i.hot { background: linear-gradient(90deg, var(--amber), var(--red)); }

/* ---------------------------------------------------- Пагинация */

.pagination { display: flex; gap: 6px; margin-top: 16px; justify-content: center; }
.page-link {
  min-width: 34px; height: 34px;
  display: grid; place-items: center;
  padding: 0 8px;
  border-radius: 9px;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: .82rem;
  font-weight: 600;
}
.page-link:hover { border-color: var(--border-strong); text-decoration: none; }
.page-link.current { background: var(--accent-soft); color: var(--accent); border-color: rgba(45,212,167,.4); }

/* ---------------------------------------------------- Прочее */

.empty {
  text-align: center;
  color: var(--text-3);
  padding: 44px 16px;
}
.empty svg { width: 38px; height: 38px; opacity: .4; margin-bottom: 10px; }

.muted { color: var(--text-3); }
.small { font-size: .79rem; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.flex { display: flex; gap: 10px; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.right { margin-left: auto; }

.about-hero {
  text-align: center;
  padding: 44px 24px 36px;
}
.about-hero .brand-logo { width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 18px; }
.about-hero .brand-logo svg { width: 30px; height: 30px; }
.about-hero h1 { font-size: 1.8rem; max-width: 700px; margin: 0 auto 10px; }
.about-hero p { color: var(--text-2); max-width: 640px; margin: 0 auto; }

.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.tech-item { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--border); }
.tech-item svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.tech-item b { display: block; font-size: .9rem; }
.tech-item span { font-size: .78rem; color: var(--text-2); }

.error-page { min-height: 100vh; display: grid; place-items: center; text-align: center; }
.error-code { font-size: 5rem; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Значения в попапах карты */
.popup-row .v small { color: var(--text-3); }
.popup-row .v.lv-ok { color: var(--text-1); }
.popup-row .v.lv-warning { color: var(--amber); }
.popup-row .v.lv-danger { color: var(--red); }

/* Кнопка переключения темы */
.theme-btn { cursor: pointer; background: none; border: none; padding: 0; }
.login-theme-btn {
  position: fixed;
  top: 18px; left: 18px;
  z-index: 1100;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text-2);
  cursor: pointer;
  backdrop-filter: blur(8px);
}
.login-theme-btn:hover { color: var(--accent); border-color: var(--accent); }

[data-theme="dark"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: none; }

/* ============================================================
   Светлая тема
   ============================================================ */

[data-theme="light"] {
  --bg-0: #edf4f2;
  --bg-1: #f3f8f6;
  --bg-2: #ffffff;
  --surface: rgba(13, 60, 50, 0.035);
  --surface-2: rgba(13, 60, 50, 0.07);
  --border: rgba(13, 72, 58, 0.13);
  --border-strong: rgba(13, 72, 58, 0.24);

  --text-1: #14302a;
  --text-2: #44615a;
  --text-3: #78938c;

  --accent: #0b9e77;
  --accent-2: #0c9f6f;
  --accent-soft: rgba(11, 158, 119, 0.12);
  --accent-glow: rgba(11, 158, 119, 0.28);

  --blue: #0e7fc1;
  --violet: #7944e4;
  --amber: #c47b06;
  --orange: #d9540b;
  --red: #d33232;
  --red-soft: rgba(211, 50, 50, 0.10);
  --amber-soft: rgba(196, 123, 6, 0.12);
  --blue-soft: rgba(14, 127, 193, 0.11);
  --violet-soft: rgba(121, 68, 228, 0.11);

  --shadow: 0 8px 24px rgba(20, 60, 52, 0.10);
}

[data-theme="light"] body {
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(11, 158, 119, 0.08), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(14, 127, 193, 0.06), transparent 60%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 55%, #fbfdfc);
  background-attachment: fixed;
}

[data-theme="light"] .sidebar { background: rgba(255, 255, 255, 0.82); }
[data-theme="light"] .card {
  background: linear-gradient(170deg, rgba(255,255,255,.92), rgba(255,255,255,.78));
}
[data-theme="light"] .input,
[data-theme="light"] select.input,
[data-theme="light"] textarea.input {
  background: rgba(255, 255, 255, 0.9);
}
[data-theme="light"] select.input option { background: #ffffff; }
[data-theme="light"] table.data tbody tr:hover { background: rgba(13, 60, 50, 0.035); }

[data-theme="light"] .avatar {
  background: linear-gradient(135deg, #c8ece1, #a8dccd);
  color: #0b6e54;
}

[data-theme="light"] .flash-success { background: rgba(11,158,119,.10); border-color: rgba(11,158,119,.4); color: #06684e; }
[data-theme="light"] .flash-danger { background: rgba(211,50,50,.08); border-color: rgba(211,50,50,.4); color: #a02020; }
[data-theme="light"] .flash-warning { background: rgba(196,123,6,.10); border-color: rgba(196,123,6,.4); color: #8d5904; }
[data-theme="light"] .flash-info { background: rgba(14,127,193,.08); border-color: rgba(14,127,193,.4); color: #0a5e90; }

[data-theme="light"] .station-icon.water { background: rgba(8, 145, 178, 0.12); color: #0e7490; }
[data-theme="light"] .station-icon.soil { background: rgba(166, 110, 30, 0.13); color: #92600f; }

[data-theme="light"] .leaflet-popup-content-wrapper {
  background: rgba(255, 255, 255, 0.97);
  color: var(--text-1);
  border: 1px solid var(--border-strong);
}
[data-theme="light"] .leaflet-popup-tip { background: rgba(255, 255, 255, 0.97); }
[data-theme="light"] .popup-row .v small { color: var(--text-3); }

[data-theme="light"] .login-card {
  background: rgba(255, 255, 255, 0.86);
  border-color: var(--border-strong);
  box-shadow: 0 30px 80px rgba(20, 60, 52, 0.18);
}
[data-theme="light"] .login-hero {
  background:
    radial-gradient(500px 300px at 20% 0%, rgba(11, 158, 119, 0.12), transparent 65%),
    linear-gradient(200deg, rgba(219, 243, 235, 0.95), rgba(244, 250, 248, 0.95));
}
[data-theme="light"] .blob { opacity: .35; }
[data-theme="light"] .brand-logo { color: #ffffff; }
[data-theme="light"] .btn-primary { color: #ffffff; }
[data-theme="light"] .kpi-icon.amber { color: #a36605; }
[data-theme="light"] .aqi-good { color: #0b9e77; }
[data-theme="light"] .aqi-moderate { color: #b27005; }
[data-theme="light"] .aqi-sensitive { color: #c2410c; }
[data-theme="light"] .aqi-unhealthy { color: #d33232; }
[data-theme="light"] .aqi-very-unhealthy { color: #7944e4; }
[data-theme="light"] .aqi-hazardous { color: #a21caf; }