:root {
  color-scheme: light;
  --surface-1: #fcfcfb;
  --surface-2: #ffffff;
  --page: #f4f4f1;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --border-strong: rgba(11, 11, 11, 0.18);
  --hover: rgba(11, 11, 11, 0.035);
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #008300; --s7: #4a3aa7; --s8: #e34948;
  --good: #0ca30c; --warning: #fab219; --serious: #ec835a; --critical: #d03b3b;
  --good-ink: #006300; --critical-ink: #b02c2c; --serious-ink: #9c4a22; --warning-ink: #8a6100;
  --shadow: 0 1px 2px rgba(11,11,11,.05), 0 4px 16px rgba(11,11,11,.05);
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1: #1a1a19;
  --surface-2: #212120;
  --page: #0d0d0d;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);
  --hover: rgba(255, 255, 255, 0.05);
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
  --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --good-ink: #0ca30c; --critical-ink: #e66767; --serious-ink: #ec835a; --warning-ink: #fab219;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.3);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; font-family: var(--font); background: var(--page); color: var(--text-primary);
  font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--s1); }

/* ------------------------------------------------------------- login --- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(1200px 600px at 50% -10%, rgba(42,120,214,.10), transparent 60%), var(--page); }
.login-card { width: 100%; max-width: 380px; background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 16px; padding: 32px; box-shadow: var(--shadow); }
.login-card h1 { margin: 0 0 4px; font-size: 20px; letter-spacing: -.01em; }
.login-card p { margin: 0 0 24px; color: var(--text-secondary); font-size: 13px; }
.login-card input { width: 100%; padding: 11px 13px; border-radius: 10px; border: 1px solid var(--border-strong);
  background: var(--surface-2); margin-bottom: 12px; }
.login-card input:focus { outline: 2px solid var(--s1); outline-offset: 1px; border-color: transparent; }
.login-card button { width: 100%; padding: 11px; border-radius: 10px; border: 0; background: var(--s1);
  color: #fff; font-weight: 600; cursor: pointer; }
.login-card button:disabled { opacity: .6; cursor: default; }
.login-err { color: var(--critical-ink); font-size: 13px; margin: 0 0 12px; }
.brand-mark { width: 40px; height: 40px; border-radius: 10px; background: var(--s1); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 15px; margin-bottom: 18px; }

/* -------------------------------------------------------------- shell --- */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side { background: var(--surface-1); border-right: 1px solid var(--border); padding: 18px 12px;
  display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; }
.side-brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; }
.side-brand .brand-mark { margin: 0; width: 32px; height: 32px; font-size: 12px; border-radius: 8px; }
.side-brand b { font-size: 14px; letter-spacing: -.01em; display: block; }
.side-brand span { font-size: 11px; color: var(--text-muted); }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 9px;
  cursor: pointer; color: var(--text-secondary); border: 0; background: none; width: 100%; text-align: left; }
.nav-item:hover { background: var(--hover); color: var(--text-primary); }
.nav-item.active { background: var(--s1); color: #fff; font-weight: 500; }
.nav-item .pill { margin-left: auto; font-size: 11px; padding: 1px 7px; border-radius: 99px;
  background: var(--critical); color: #fff; font-variant-numeric: tabular-nums; }
.nav-item.active .pill { background: rgba(255,255,255,.25); }
.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 4px; padding-top: 12px;
  border-top: 1px solid var(--border); }
.main { padding: 24px 28px 56px; max-width: 1560px; width: 100%; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
  margin-bottom: 20px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 22px; letter-spacing: -.015em; }
.page-head .sub { color: var(--text-secondary); font-size: 13px; margin-top: 2px; }

/* -------------------------------------------------------------- cards --- */
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow); }
.card-title { font-size: 13px; font-weight: 600; margin: 0 0 2px; }
.card-sub { font-size: 12px; color: var(--text-muted); margin: 0 0 14px; }
.grid { display: grid; gap: 14px; }
.tiles { grid-template-columns: repeat(auto-fit, minmax(186px, 1fr)); }
.tile .label { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.tile .value { font-size: clamp(18px, 1.5vw, 25px); font-weight: 650; letter-spacing: -.02em;
  line-height: 1.15; white-space: nowrap; }
.tile .delta { font-size: 12px; color: var(--text-muted); margin-top: 5px; }
.tile .delta.up { color: var(--good-ink); }
.tile .delta.down { color: var(--critical-ink); }
.charts-2 { grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); }
.chart-box { position: relative; height: 280px; }
.chart-box.tall { height: 360px; }
.legend { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 10px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); }
.legend i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

/* ------------------------------------------------------------ filters --- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.filters input, .filters select {
  padding: 8px 11px; border-radius: 9px; border: 1px solid var(--border-strong);
  background: var(--surface-1); min-width: 0;
}
.filters input:focus, .filters select:focus { outline: 2px solid var(--s1); outline-offset: 1px; }
.filters .search { flex: 1 1 240px; max-width: 340px; }
.btn { padding: 8px 13px; border-radius: 9px; border: 1px solid var(--border-strong);
  background: var(--surface-1); cursor: pointer; font-size: 13px; white-space: nowrap; }
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--s1); color: #fff; border-color: transparent; font-weight: 500; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.ghost { border-color: transparent; background: none; color: var(--text-secondary); }
.btn.ghost:hover { background: var(--hover); }
.btn:disabled { opacity: .45; cursor: default; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.chip { padding: 6px 12px; border-radius: 99px; border: 1px solid var(--border-strong);
  background: var(--surface-1); cursor: pointer; font-size: 12.5px; }
.chip.on { background: var(--s1); color: #fff; border-color: transparent; }
.chip .n { opacity: .7; margin-left: 5px; font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------- tables --- */
.table-wrap { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: auto; box-shadow: var(--shadow); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
thead th { position: sticky; top: 0; background: var(--surface-1); text-align: left; font-weight: 600;
  color: var(--text-secondary); padding: 10px 12px; border-bottom: 1px solid var(--grid);
  white-space: nowrap; z-index: 1; }
thead th.sortable { cursor: pointer; user-select: none; }
thead th.sortable:hover { color: var(--text-primary); }
thead th .arrow { opacity: .5; margin-left: 3px; }
tbody td { padding: 9px 12px; border-bottom: 1px solid var(--grid); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--hover); }
tbody tr.clickable { cursor: pointer; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.nowrap { white-space: nowrap; }
.dim { color: var(--text-muted); }
.trunc { max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }
.pager { display: flex; align-items: center; gap: 10px; justify-content: flex-end; padding: 12px 4px 0;
  font-size: 13px; color: var(--text-secondary); }

/* ------------------------------------------------------------- badges --- */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 99px;
  font-size: 11.5px; font-weight: 500; white-space: nowrap; border: 1px solid transparent; }
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 99px; background: currentColor; flex: none; }
.b-good { color: var(--good-ink); background: color-mix(in srgb, var(--good) 13%, transparent); }
.b-warn { color: var(--warning-ink); background: color-mix(in srgb, var(--warning) 20%, transparent); }
.b-serious { color: var(--serious-ink); background: color-mix(in srgb, var(--serious) 18%, transparent); }
.b-crit { color: var(--critical-ink); background: color-mix(in srgb, var(--critical) 13%, transparent); }
.b-mute { color: var(--text-secondary); background: var(--hover); }
.b-info { color: var(--s1); background: color-mix(in srgb, var(--s1) 12%, transparent); }

/* ------------------------------------------------------------- drawer --- */
.overlay { position: fixed; inset: 0; background: rgba(8,8,8,.45); backdrop-filter: blur(2px);
  z-index: 40; animation: fade .15s ease; }
@keyframes fade { from { opacity: 0 } }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(860px, 96vw); background: var(--page);
  z-index: 41; overflow-y: auto; box-shadow: -8px 0 40px rgba(0,0,0,.2); animation: slide .18s ease; }
@keyframes slide { from { transform: translateX(28px); opacity: .6 } }
.drawer-head { position: sticky; top: 0; background: var(--surface-1); border-bottom: 1px solid var(--border);
  padding: 18px 24px; display: flex; align-items: flex-start; gap: 16px; z-index: 2; }
.drawer-head h2 { margin: 0 0 4px; font-size: 18px; letter-spacing: -.01em; }
.drawer-body { padding: 20px 24px 40px; display: grid; gap: 14px; }
.kv { display: grid; grid-template-columns: 150px 1fr; gap: 6px 14px; font-size: 13px; }
.kv dt { color: var(--text-muted); }
.kv dd { margin: 0; }
.close-x { margin-left: auto; border: 0; background: var(--hover); width: 30px; height: 30px;
  border-radius: 8px; cursor: pointer; font-size: 17px; line-height: 1; flex: none; }

/* --------------------------------------------------------------- chat --- */
.chat-shell { display: flex; flex-direction: column; height: calc(100vh - 130px); }
.chat-log { flex: 1; overflow-y: auto; padding: 4px 2px 16px; display: flex; flex-direction: column; gap: 14px; }
.msg { display: flex; gap: 11px; max-width: 900px; align-items: flex-start; }
.msg .who { width: 27px; height: 27px; margin-top: 2px; border-radius: 8px; flex: none; display: grid; place-items: center;
  font-size: 11px; font-weight: 700; color: #fff; }
.msg.user .who { background: var(--text-secondary); }
.msg.bot .who { background: var(--s1); }
.bubble { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px;
  padding: 11px 15px; overflow-x: auto; }
.msg.user .bubble { background: color-mix(in srgb, var(--s1) 8%, var(--surface-1)); }
.bubble p { margin: 0 0 9px; } .bubble p:last-child { margin: 0; }
.bubble table { font-size: 12.5px; margin: 8px 0; }
.bubble th, .bubble td { border: 1px solid var(--grid); padding: 5px 9px; }
.bubble th { background: var(--hover); }
.bubble code { background: var(--hover); padding: 1px 5px; border-radius: 5px; font-size: 12px; }
.bubble ul, .bubble ol { margin: 6px 0; padding-left: 20px; }
.tool-note { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 7px; }
.tool-note code { background: var(--hover); padding: 2px 7px; border-radius: 6px; font-size: 11.5px;
  max-width: 720px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-input { display: flex; gap: 9px; align-items: flex-end; padding-top: 12px; border-top: 1px solid var(--border); }
.chat-input textarea { flex: 1; resize: none; padding: 11px 14px; border-radius: 11px;
  border: 1px solid var(--border-strong); background: var(--surface-1); max-height: 160px; }
.chat-input textarea:focus { outline: 2px solid var(--s1); outline-offset: 1px; }
.suggest { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 12px; }
.suggest button { font-size: 12.5px; padding: 7px 12px; border-radius: 99px; border: 1px solid var(--border-strong);
  background: var(--surface-1); cursor: pointer; color: var(--text-secondary); }
.suggest button:hover { background: var(--hover); color: var(--text-primary); }
.dots::after { content: "·"; animation: dots 1.2s steps(4, end) infinite; }
@keyframes dots { 0% { content: "·" } 33% { content: "··" } 66% { content: "···" } }

.empty { padding: 46px 20px; text-align: center; color: var(--text-muted); }
.spinner { width: 15px; height: 15px; border: 2px solid var(--axis); border-top-color: var(--s1);
  border-radius: 99px; animation: spin .7s linear infinite; display: inline-block; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg) } }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; overflow-x: auto; align-items: center;
    border-right: 0; border-bottom: 1px solid var(--border); padding: 10px; }
  .side-brand { padding: 0 12px 0 4px; }
  .side-foot { margin: 0 0 0 auto; flex-direction: row; border: 0; padding: 0; }
  .nav-item { width: auto; white-space: nowrap; }
  .main { padding: 16px 14px 40px; }
}

/* --------------------------------------------------- график в переписке --- */
.chat-chart { background: var(--surface-1); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 18px 10px; box-shadow: var(--shadow); flex: 1 1 auto; min-width: 0; max-width: 820px; }
.chat-chart .card-title { font-size: 13.5px; }
.msg.bot .who { background: var(--s1); }
.chat-log .msg { align-items: flex-start; }
.tool-note { padding-left: 38px; }
.bubble .md-h { font-weight: 600; margin: 10px 0 4px; }
.bubble .md-h:first-child { margin-top: 0; }
.bubble pre { background: var(--hover); padding: 10px 12px; border-radius: 8px; overflow-x: auto; margin: 8px 0; }
.bubble pre code { background: none; padding: 0; }