:root {
  --bg: #f6f6f3;
  --surface: #ffffff;
  --surface-2: #fafaf8;
  --border: #e4e4df;
  --border-strong: #cfcfc8;
  --text: #16181d;
  --text-2: #52514e;
  --muted: #8a8a84;
  --accent: #14213d;
  --accent-soft: #eef1f7;
  --ok: #157a3c;
  --ok-bg: #e8f5ec;
  --bad: #b42318;
  --bad-bg: #fdecea;
  --warn: #8a5a00;
  --warn-bg: #fdf3dc;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --radius: 10px;
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--accent); }
h1 { font-size: 22px; letter-spacing: -.01em; margin: 0; }
h2 { font-size: 15px; margin: 0 0 12px; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }

/* layout */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { background: var(--surface); border-right: 1px solid var(--border); padding: 20px 14px; display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; }
.brand { font-weight: 700; font-size: 15px; padding: 4px 10px 18px; display: flex; align-items: center; gap: 8px; }
.brand-dot { width: 22px; height: 22px; border-radius: 6px; background: var(--accent); display: inline-block; }
.nav a { display: block; padding: 8px 10px; border-radius: 8px; color: var(--text-2); text-decoration: none; font-weight: 500; }
.nav a:hover { background: var(--surface-2); color: var(--text); }
.nav a.active { background: var(--accent-soft); color: var(--accent); }
.side-foot { margin-top: auto; padding: 10px; font-size: 12.5px; color: var(--muted); display: flex; justify-content: space-between; align-items: center; }
.main { padding: 28px 32px 60px; max-width: 1280px; width: 100%; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head .sub { color: var(--text-2); margin-top: 2px; }
.crumb { font-size: 13px; color: var(--muted); margin-bottom: 4px; }
.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--text); }

/* cards & tiles */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.card + .card { margin-top: 16px; }
.grid-2 > .card { margin-top: 0; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.tile .label { color: var(--text-2); font-size: 12.5px; }
.tile .value { font-size: 26px; font-weight: 650; letter-spacing: -.02em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.tile .hint { color: var(--muted); font-size: 12px; }
.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
@media (max-width: 1000px) { .grid-2 { grid-template-columns: 1fr; } }

/* tables */
.table-wrap { overflow-x: auto; margin: 0 -18px -18px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 12px; border-top: 1px solid var(--border); vertical-align: middle; white-space: nowrap; }
th { font-size: 12px; font-weight: 600; color: var(--text-2); background: var(--surface-2); border-top: 0; }
th:first-child, td:first-child { padding-left: 18px; }
th:last-child, td:last-child { padding-right: 18px; }
td.wrap { white-space: normal; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--surface-2); }
.ua { max-width: 260px; overflow: hidden; text-overflow: ellipsis; color: var(--text-2); font-size: 12.5px; }
.empty { padding: 28px; text-align: center; color: var(--muted); }

/* badges */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 550; background: #eeeeea; color: var(--text-2); }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.info { background: var(--accent-soft); color: var(--accent); }

/* forms */
.btn { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font: inherit; font-weight: 550; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.15); }
.btn.danger { color: var(--bad); }
.btn.danger:hover { background: var(--bad-bg); border-color: #f3c3bd; }
.btn.sm { height: 28px; padding: 0 10px; font-size: 12.5px; }
.btn[disabled] { opacity: .55; cursor: default; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field > span { font-size: 12.5px; font-weight: 550; color: var(--text-2); }
.field small { color: var(--muted); font-size: 12px; }
input, select, textarea { font: inherit; color: inherit; height: 34px; padding: 0 10px; border: 1px solid var(--border-strong); border-radius: 8px; background: #fff; outline: none; }
textarea { height: auto; padding: 8px 10px; min-height: 70px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(20, 33, 61, .12); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 14px; }
.filters .field input, .filters .field select { min-width: 140px; }
.check { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; color: var(--text-2); }
.check input { height: auto; }
.error-msg { color: var(--bad); background: var(--bad-bg); padding: 8px 12px; border-radius: 8px; font-size: 13px; }

/* pager */
.pager { display: flex; justify-content: space-between; align-items: center; padding: 12px 18px 0; color: var(--text-2); font-size: 13px; }

/* modal */
.modal-back { position: fixed; inset: 0; background: rgba(15, 17, 22, .38); display: grid; place-items: center; padding: 20px; z-index: 50; animation: fade .15s; }
.modal { background: var(--surface); border-radius: 14px; width: 100%; max-width: 560px; max-height: calc(100vh - 40px); overflow: auto; box-shadow: 0 20px 60px rgba(0, 0, 0, .2); }
.modal-head { padding: 18px 22px 0; display: flex; justify-content: space-between; align-items: center; }
.modal-head h2 { margin: 0; font-size: 17px; }
.modal-body { padding: 18px 22px; }
.modal-foot { padding: 0 22px 20px; display: flex; justify-content: flex-end; gap: 8px; }
.x { border: 0; background: none; font-size: 22px; line-height: 1; color: var(--muted); cursor: pointer; }
@keyframes fade { from { opacity: 0; } }

.creds { background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.creds dl { display: grid; grid-template-columns: 90px 1fr; gap: 6px 10px; margin: 0; }
.creds dt { color: var(--text-2); font-size: 13px; }
.creds dd { margin: 0; font-family: ui-monospace, Menlo, monospace; font-size: 13px; word-break: break-all; }
.note { font-size: 12.5px; color: var(--warn); background: var(--warn-bg); padding: 8px 12px; border-radius: 8px; margin-top: 12px; }

#toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px); background: #16181d; color: #fff; padding: 10px 16px; border-radius: 10px; font-size: 13.5px; opacity: 0; pointer-events: none; transition: .2s; z-index: 60; }
#toast.show { opacity: 1; transform: translateX(-50%); }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login form { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 14px; }
.login h1 { margin-bottom: 4px; }

/* chart */
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid line { stroke: var(--border); stroke-width: 1; }
.chart .axis text { fill: var(--muted); font-size: 11px; }
.chart .hit { fill: transparent; cursor: default; }
.chart .hit:hover { fill: rgba(20, 33, 61, .05); }
.legend { display: flex; gap: 14px; font-size: 12.5px; color: var(--text-2); margin-bottom: 8px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.tooltip { position: absolute; pointer-events: none; background: #16181d; color: #fff; padding: 8px 10px; border-radius: 8px; font-size: 12px; line-height: 1.5; white-space: nowrap; transform: translate(-50%, -100%); margin-top: -8px; display: none; z-index: 5; }
.tooltip i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; }
.chart-head { display: flex; justify-content: space-between; align-items: baseline; }

.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; font-size: 13.5px; }
.kv dt { color: var(--text-2); }
.kv dd { margin: 0; }
.link-box { display: flex; gap: 8px; align-items: center; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 6px 6px 6px 12px; }
.link-box code { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }