/* PRED Monitor – custom stylesheet (no framework) */
:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --border: #e3e7ee;
  --text: #121926;
  --muted: #667085;
  --primary: #1456d9;
  --primary-dark: #0e44b0;
  --ok: #067647;
  --ok-bg: #e3f7ec;
  --bad: #b42318;
  --bad-bg: #fde7e4;
  --warn: #a15c07;
  --warn-bg: #fdf0d5;
  --muted-bg: #eef1f5;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06);
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-head: 'Plus Jakarta Sans', var(--font-body);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 var(--font-body); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--font-head); margin: 0; line-height: 1.25; }
h1 { font-size: 22px; }
h2 { font-size: 16px; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.nowrap { white-space: nowrap; }
.material-symbols-outlined { font-size: 20px; line-height: 1; vertical-align: middle; }

/* ---------- top bar ---------- */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.topbar__inner { max-width: 1240px; margin: 0 auto; padding: 0 16px; min-height: 56px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 8px; font: 700 17px var(--font-head); color: var(--text); }
.brand:hover { text-decoration: none; }
.brand .material-symbols-outlined { color: var(--primary); font-size: 24px; }
.nav-toggle { background: none; border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; cursor: pointer; color: var(--text); }
.nav { display: none; flex-direction: column; width: 100%; gap: 2px; padding: 8px 0 12px; }
.nav.is-open { display: flex; }
.nav__link { display: flex; align-items: center; gap: 8px; padding: 9px 10px; border-radius: 8px; color: var(--muted); font-weight: 500; }
.nav__link:hover { background: var(--muted-bg); color: var(--text); text-decoration: none; }
.nav__link.is-active { background: #e8effd; color: var(--primary); }
.nav__user { padding: 9px 10px; color: var(--muted); font-size: 13px; }
.nav__cta { margin: 6px 0; align-self: flex-start; }

/* ---------- layout ---------- */
.container { max-width: 1240px; margin: 0 auto; padding: 20px 16px 40px; }
.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.page-head__actions { display: flex; flex-wrap: wrap; gap: 8px; }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 0 16px 28px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 16px; }
.card__head { padding: 14px 16px; border-bottom: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.card__body { padding: 16px; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.stat__label { color: var(--muted); font-size: 12.5px; }
.stat__value { font: 700 24px var(--font-head); margin-top: 2px; }
.stat--ok .stat__value { color: var(--ok); }
.stat--bad .stat__value { color: var(--bad); }
.stat--warn .stat__value { color: var(--warn); }
.two-col { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); }

/* ---------- notices ---------- */
.notice { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--radius); margin-bottom: 14px; border: 1px solid var(--border); background: var(--surface); }
.notice--success { background: var(--ok-bg); border-color: #b5e6c9; color: var(--ok); }
.notice--error { background: var(--bad-bg); border-color: #f7c1bb; color: var(--bad); }
.notice--warn { background: var(--warn-bg); border-color: #f4d9a1; color: var(--warn); }
.notice--info { background: #e8effd; border-color: #c5d7fa; color: var(--primary-dark); }

/* ---------- pills ---------- */
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.pill--ok { background: var(--ok-bg); color: var(--ok); }
.pill--bad { background: var(--bad-bg); color: var(--bad); }
.pill--warn { background: var(--warn-bg); color: var(--warn); }
.pill--muted { background: var(--muted-bg); color: var(--muted); }
.tag { display: inline-block; padding: 1px 7px; border-radius: 6px; font-size: 11.5px; border: 1px solid var(--border); color: var(--muted); background: #fafbfc; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: 500 14px var(--font-body); cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--muted-bg); text-decoration: none; }
.btn--primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-dark); }
.btn--danger { color: var(--bad); border-color: #f1b8b1; }
.btn--danger:hover { background: var(--bad-bg); }
.btn--sm { padding: 5px 10px; font-size: 13px; }
.btn--icon { padding: 5px 7px; }
.inline-form { display: inline; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; background: #fafbfc; white-space: nowrap; }
.table tr:last-child td { border-bottom: 0; }
.table tr.is-down td { background: #fff8f7; }
.table .num { text-align: right; white-space: nowrap; }
.table .actions { white-space: nowrap; text-align: right; }
.site-name { font-weight: 600; color: var(--text); }
.site-url { color: var(--muted); font-size: 12.5px; word-break: break-all; }
.err { color: var(--bad); font-size: 12.5px; }
.empty { padding: 36px 16px; text-align: center; color: var(--muted); }

/* ---------- filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip { border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 5px 12px; font: 500 13px var(--font-body); color: var(--muted); cursor: pointer; }
.chip.is-active { background: var(--text); border-color: var(--text); color: #fff; }
.search { padding: 7px 12px; border: 1px solid var(--border); border-radius: 8px; font: 14px var(--font-body); min-width: 200px; }

/* ---------- forms ---------- */
.form-grid { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); }
.field label, .label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 5px; }
.field .hint { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
input[type=text], input[type=url], input[type=email], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid #cfd5df; border-radius: 8px; font: 14px var(--font-body); color: var(--text); background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #b9cdf8; border-color: var(--primary); }
textarea { min-height: 110px; resize: vertical; }
.check { display: flex; gap: 8px; align-items: flex-start; font-weight: 500; }
.check input { margin-top: 3px; }
.form-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
fieldset { border: 0; padding: 0; margin: 0 0 4px; }
legend { font: 700 14px var(--font-head); padding: 0; margin-bottom: 10px; }
.section + .section { border-top: 1px solid var(--border); margin-top: 18px; padding-top: 18px; }
pre.codebox { background: #101828; color: #e4e7ec; padding: 12px 14px; border-radius: 8px; overflow-x: auto; margin: 6px 0 0; font-size: 12.5px; white-space: pre-wrap; word-break: break-all; }

/* ---------- detail ---------- */
.kv { display: grid; grid-template-columns: minmax(110px, 180px) minmax(0, 1fr); gap: 8px 14px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
.chart { width: 100%; height: auto; display: block; }
.chart__line { fill: none; stroke: var(--primary); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.chart__grid { stroke: var(--border); stroke-width: 1; vector-effect: non-scaling-stroke; }
.chart__fail { stroke: #f0827a; stroke-width: 2; vector-effect: non-scaling-stroke; opacity: .7; }
.chart__label { fill: var(--muted); font-size: 11px; }

/* ---------- auth ---------- */
.auth { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px 16px; }
.auth__card { width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px 24px; box-shadow: 0 8px 24px rgba(16, 24, 40, .08); }
.auth__card--wide { max-width: 560px; }
.auth__brand { display: flex; align-items: center; gap: 8px; font: 700 20px var(--font-head); margin-bottom: 4px; }
.auth__brand .material-symbols-outlined { color: var(--primary); font-size: 28px; }

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .form-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .span-2 { grid-column: span 2; }
}
@media (min-width: 960px) {
  .grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .nav-toggle { display: none; }
  .nav { display: flex; flex-direction: row; width: auto; align-items: center; gap: 4px; padding: 0; }
  .nav__cta { margin: 0 6px; align-self: center; }
  .nav__label-mobile { display: none; }
  .two-col { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
}
@media (max-width: 720px) {
  .hide-sm { display: none; }
}