:root {
  --bg: #0f1720;
  --bg2: #16212e;
  --card: #1b2836;
  --card2: #223344;
  --line: #2b3d50;
  --text: #e8eef4;
  --muted: #8ba0b4;
  --accent: #2dd4bf;
  --accent2: #38bdf8;
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --empty: #f97316;
  --shadow: 0 6px 20px rgba(0,0,0,.28);
  --r: 14px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #eef2f6; --bg2: #e4ebf1; --card: #ffffff; --card2: #f4f7fa;
    --line: #dce4ec; --text: #14212e; --muted: #5b7086; --shadow: 0 6px 18px rgba(20,40,60,.10);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text); font: 14px/1.5 "Segoe UI", system-ui, Roboto, sans-serif;
  min-height: 100vh;
}
#app { max-width: 1280px; margin: 0 auto; padding: 18px 18px 40px; }
h1 { font-size: 20px; margin: 0; font-weight: 700; }
h2 { font-size: 15px; margin: 0; font-weight: 650; letter-spacing: .2px; }
.muted { color: var(--muted); font-weight: 500; }
.small { font-size: 12px; }

/* Topbar */
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 30px; }
.period { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.actions { display: flex; align-items: center; gap: 10px; }
.src-badge { font-size: 12px; color: var(--muted); background: var(--card); border: 1px solid var(--line); padding: 5px 10px; border-radius: 999px; }
.btn { background: var(--accent); color: #06231f; border: 0; font-weight: 650; padding: 9px 14px; border-radius: 10px; cursor: pointer; font-size: 13px; }
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }

/* KPIs */
.kpis { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; box-shadow: var(--shadow); }
.kpi .label { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.kpi .value { font-size: 23px; font-weight: 750; margin-top: 4px; }
.kpi .sub { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.kpi.good .value { color: var(--good); }
.kpi.empty .value { color: var(--empty); }

/* Layout grid */
.grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 14px; margin-bottom: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; box-shadow: var(--shadow); margin-bottom: 14px; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }

/* Map */
#map { width: 100%; }
#map svg { width: 100%; height: auto; display: block; border-radius: 10px; background: var(--card2); }
.legend { display: flex; gap: 12px; flex-wrap: wrap; }
.legend .item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.legend .swatch { width: 14px; height: 4px; border-radius: 3px; }

/* Trucks */
.truck { border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 12px; background: var(--card2); }
.truck-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.truck-title { display: flex; align-items: center; gap: 8px; font-weight: 650; }
.dot { width: 11px; height: 11px; border-radius: 50%; flex: none; }
.truck-stats { font-size: 12px; color: var(--muted); }
.truck-margin { font-weight: 750; color: var(--good); }
.legs { display: flex; flex-direction: column; gap: 0; }
.leg { display: grid; grid-template-columns: 20px 1fr auto; gap: 10px; padding: 8px 0; border-top: 1px dashed var(--line); }
.leg:first-child { border-top: 0; }
.leg .idx { color: var(--muted); font-size: 12px; text-align: center; }
.leg .route { font-weight: 600; }
.leg .meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.leg .fin { text-align: right; white-space: nowrap; }
.leg .fin .m { font-weight: 700; color: var(--good); }
.leg .fin .r { font-size: 12px; color: var(--muted); }
.warns { margin-top: 4px; }
.warn-tag { display: inline-block; font-size: 11px; color: #4a2c00; background: var(--warn); border-radius: 6px; padding: 1px 7px; margin: 2px 4px 0 0; }
.end-note { font-size: 12px; color: var(--muted); margin-top: 6px; padding-left: 30px; }
.idle { color: var(--muted); font-style: italic; padding: 6px 0; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .4px; }
tr.rec td { background: color-mix(in srgb, var(--good) 12%, transparent); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
.pill { font-size: 11px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.pos { color: var(--good); font-weight: 650; }
.neg { color: var(--bad); }
.est { color: var(--accent2); border-bottom: 1px dotted var(--accent2); cursor: help; }
td.contact { max-width: 210px; overflow: hidden; text-overflow: ellipsis; font-size: 12px; color: var(--muted); }
.infeasible td { opacity: .5; }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 12px; background: var(--card2); border: 1px solid var(--line); border-radius: 999px; padding: 5px 11px; color: var(--muted); }

.foot { color: var(--muted); font-size: 12px; margin-top: 18px; text-align: center; }

@media (max-width: 920px) {
  .kpis { grid-template-columns: repeat(3, 1fr); }
  .grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
}

/* ==== Навигация ============================================================ */
.nav { display: flex; gap: 4px; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.nav-link { color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 999px; }
.nav-link.active { background: var(--accent); color: #06231f; }
.nav-link:not(.active):hover { color: var(--text); }
.scope-sel { background: var(--card); color: var(--text); border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 12px; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.btn.ghost:hover { color: var(--text); border-color: var(--muted); }
.btn.big { font-size: 15px; padding: 12px 22px; }
.btn.wide { width: 100%; }
a.btn { text-decoration: none; display: inline-block; }

/* ==== Лендинг ============================================================== */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: center; padding: 40px 0 30px; }
.hero-title { font-size: 40px; line-height: 1.12; margin: 0 0 16px; font-weight: 800; letter-spacing: -.5px; }
.grad { background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: 16px; color: var(--muted); max-width: 52ch; }
.hero-sub b { color: var(--text); }
.hero-cta { display: flex; align-items: center; gap: 14px; margin-top: 22px; flex-wrap: wrap; }
.hero-panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; box-shadow: var(--shadow); }
.mock-kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 26px 0; }
.feature { margin-bottom: 0; }
.f-icon { font-size: 26px; margin-bottom: 6px; }
.feature h3 { margin: 0 0 6px; font-size: 15px; }
.feature p { margin: 0; color: var(--muted); font-size: 13px; }
.how-title { margin: 0 0 10px; font-size: 16px; }
.how-steps { margin: 0; padding-left: 20px; color: var(--muted); }
.how-steps li { margin-bottom: 6px; }
.how-steps b { color: var(--text); }
.foot a { color: var(--accent); }
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; padding-top: 16px; }
  .hero-title { font-size: 30px; }
  .features { grid-template-columns: 1fr; }
}

/* ==== Логин ================================================================ */
.login-body { display: flex; min-height: 100vh; align-items: center; justify-content: center;
  margin: 0; background: linear-gradient(180deg, var(--bg), var(--bg2)); }
.login-wrap { width: 100%; max-width: 380px; padding: 20px; }
.login-card { display: flex; flex-direction: column; gap: 14px; padding: 26px 24px; }
.login-brand { display: flex; align-items: center; gap: 10px; }
.login-note { margin: -6px 0 4px; }
.login-error { color: var(--bad); font-size: 13px; background: color-mix(in srgb, var(--bad) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--bad) 40%, transparent); border-radius: 8px; padding: 8px 10px; }
.back-link { text-align: center; text-decoration: none; }
.back-link:hover { color: var(--text); }

/* ==== Форми / Настройки ==================================================== */
.field { display: flex; flex-direction: column; gap: 5px; font-size: 13px; }
.field span { color: var(--muted); font-size: 12px; }
.field input, .field select, #fleetTable input, #fleetTable select {
  background: var(--card2); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; font: inherit; font-size: 13.5px; min-width: 0;
}
.field input:focus, #fleetTable input:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.field.checkbox { flex-direction: row; align-items: center; gap: 8px; padding-top: 18px; }
.field.checkbox span { font-size: 13px; color: var(--text); }
.settings-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.settings-grid.three { grid-template-columns: repeat(3, 1fr); }
#fleetTable td { padding: 5px 6px; }
#fleetTable input, #fleetTable select { width: 100%; padding: 6px 8px; }
.kpi .value.small-v { font-size: 15px; }
.save-bar { position: sticky; top: 10px; z-index: 50; border-radius: 10px; padding: 10px 14px;
  font-weight: 650; margin-bottom: 14px; box-shadow: var(--shadow); }
.save-bar.ok { background: color-mix(in srgb, var(--good) 18%, var(--card)); border: 1px solid var(--good); color: var(--good); }
.save-bar.err { background: color-mix(in srgb, var(--bad) 18%, var(--card)); border: 1px solid var(--bad); color: var(--bad); }
@media (max-width: 920px) {
  .settings-grid, .settings-grid.three { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .settings-grid, .settings-grid.three { grid-template-columns: 1fr; }
}