:root {
  color-scheme: light;
  --page: #f4f5f7; --surface: #fff; --ink: #14161a; --ink2: #555b66; --muted: #8b919c;
  --grid: #e6e8ec; --axis: #c9cdd4; --border: rgba(20,22,26,.12);
  --accent: #2a78d6; --accent-ink: #fff; --s1: #2a78d6; --s2: #eb6834;
  --gbg: #e3f1e4; --gfg: #1d6b25; --rbg: #fbe3e3; --rfg: #b3261e; --nbg: #eceef3; --warn: #fff4d6; --warnfg: #7a5a00;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0f1114; --surface: #181b20; --ink: #f2f3f5; --ink2: #b4b9c2; --muted: #7d8491;
    --grid: #262a31; --axis: #343944; --border: rgba(255,255,255,.12);
    --accent: #3987e5; --s1: #3987e5; --s2: #d95926;
    --gbg: #17301c; --gfg: #5fd070; --rbg: #3a1b1b; --rfg: #ff8a80; --nbg: #20242b; --warn: #3a3014; --warnfg: #f0c75a;
  }
}
* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
body { background: var(--page); color: var(--ink); font: 14px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
h1 { font-size: 22px; } h2 { font-size: 17px; } h3 { font-size: 14px; }
.muted { color: var(--muted); } .small { font-size: 12px; }

/* кнопки и поля */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); cursor: pointer; text-decoration: none; color: var(--ink); }
.btn:hover { background: var(--grid); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--rfg); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.ctl { padding: 7px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); max-width: 100%; }
.ctl:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
label.field { display: grid; gap: 4px; margin-bottom: 12px; }
label.field > span { font-size: 12px; color: var(--ink2); }
.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface); }
.seg button { padding: 6px 12px; border: 0; background: none; color: var(--ink2); cursor: pointer; }
.seg button:hover { background: var(--grid); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--surface); }

/* каркас */
.topbar { display: flex; align-items: center; gap: 14px; padding: 10px 20px; background: var(--surface); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 16px; text-decoration: none; color: var(--ink); margin-right: 8px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--ink2); }
.nav a:hover { background: var(--grid); }
.nav a.active { background: var(--grid); color: var(--ink); font-weight: 600; }
.spacer { flex: 1; }
.page { padding: 16px 20px 40px; max-width: 1500px; margin: 0 auto; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; }
.cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.notice { padding: 10px 14px; border-radius: 10px; background: var(--warn); color: var(--warnfg); margin-bottom: 12px; }
.notice.err { background: var(--rbg); color: var(--rfg); }
.notice.ok { background: var(--gbg); color: var(--gfg); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* лендинг и формы входа */
.hero { text-align: center; padding: 56px 20px 32px; max-width: 820px; margin: 0 auto; }
.hero h1 { font-size: 34px; line-height: 1.2; margin-bottom: 14px; }
.hero p { color: var(--ink2); font-size: 16px; margin-bottom: 22px; }
.features { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); max-width: 1100px; margin: 20px auto; padding: 0 20px; }
.auth { max-width: 380px; margin: 40px auto; }
.auth h1 { margin-bottom: 16px; }

/* тарифы */
.plans { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.plan { display: flex; flex-direction: column; gap: 10px; }
.plan .price { font-size: 26px; font-weight: 700; }
.plan ul { padding-left: 18px; color: var(--ink2); display: grid; gap: 4px; flex: 1; }
.plan.current { outline: 2px solid var(--accent); }

/* дашборд */
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; margin-bottom: 12px; }
.tile { border-radius: 10px; padding: 9px 12px; background: var(--nbg); display: flex; flex-direction: column; gap: 3px; min-width: 0; min-height: 88px; justify-content: space-between; }
.tile.good { background: var(--gbg); } .tile.bad { background: var(--rbg); }
.tile .t { font-size: 12px; color: var(--ink2); line-height: 1.3; }
.tile .v { font-size: 18px; font-weight: 650; line-height: 1.25; }
.tile .v small { font-size: 13px; font-weight: 500; color: var(--ink2); }
.tile .c { display: flex; flex-wrap: wrap; gap: 2px 6px; align-items: center; font-size: 11.5px; color: var(--muted); min-height: 18px; }
.tile.na .v { color: var(--muted); }
.badge { padding: 1px 6px; border-radius: 6px; font-weight: 600; background: var(--surface); }
.good .badge { color: var(--gfg); } .bad .badge { color: var(--rfg); }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px 6px; height: 260px; display: flex; flex-direction: column; }
.panel h2 { font-size: 12px; font-weight: 600; color: var(--ink2); display: flex; gap: 14px; align-items: center; margin-bottom: 2px; }
.legend { display: flex; gap: 14px; font-weight: 400; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; }
.chart { flex: 1; min-height: 0; position: relative; }
.chart svg { position: absolute; inset: 0; width: 100%; height: 100%; }
#tip { position: fixed; pointer-events: none; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 12px; box-shadow: 0 4px 16px rgba(0,0,0,.18); display: none; z-index: 20; white-space: pre-line; max-width: 340px; }
#tip div { display: flex; gap: 10px; justify-content: space-between; }

/* выбор виджетов */
.picker { margin-bottom: 14px; }
.picker .group { margin-bottom: 12px; }
.picker .items { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 4px 14px; margin-top: 6px; }
.picker label { display: flex; gap: 8px; align-items: flex-start; padding: 3px 0; cursor: pointer; }
.picker label.locked { opacity: .55; cursor: not-allowed; }
.lock { font-size: 11px; color: var(--muted); }

/* таблицы */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 6px 8px; text-align: left; border-bottom: 1px solid var(--grid); vertical-align: middle; }
th { font-size: 12px; color: var(--ink2); font-weight: 600; }
td input.ctl { width: 110px; }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: var(--muted); }
.status-dot.active { background: var(--gfg); } .status-dot.error { background: var(--rfg); }
.guide { color: var(--ink2); padding-left: 18px; display: grid; gap: 4px; margin: 8px 0 14px; }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 30px 20px; }
@media (max-width: 700px) { .page { padding: 12px; } .hero h1 { font-size: 26px; } }