/* CertPortal — dark-first professional UI */

:root {
  --bg: oklch(0.16 0.012 250);
  --bg-raised: oklch(0.20 0.014 250);
  --bg-inset: oklch(0.13 0.010 250);
  --border: oklch(0.30 0.015 250);
  --border-strong: oklch(0.40 0.018 250);
  --text: oklch(0.92 0.008 250);
  --text-dim: oklch(0.72 0.012 250);
  --accent: oklch(0.75 0.14 155);
  --accent-strong: oklch(0.62 0.15 155);
  --accent-ink: oklch(0.18 0.05 155);
  --red: oklch(0.68 0.19 25);
  --red-bg: oklch(0.24 0.06 25);
  --yellow: oklch(0.82 0.14 90);
  --yellow-bg: oklch(0.26 0.05 90);
  --green: oklch(0.78 0.16 150);
  --green-bg: oklch(0.24 0.06 150);
  --blue: oklch(0.75 0.12 240);
  --blue-bg: oklch(0.25 0.05 240);
  --mono: ui-monospace, "Cascadia Code", Consolas, "SF Mono", monospace;
  --sans: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
  --display: "Segoe UI Variable Display", "Segoe UI Semibold", "Segoe UI", system-ui, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: oklch(0.97 0.004 250);
    --bg-raised: oklch(1 0 0);
    --bg-inset: oklch(0.94 0.006 250);
    --border: oklch(0.87 0.008 250);
    --border-strong: oklch(0.75 0.012 250);
    --text: oklch(0.25 0.015 250);
    --text-dim: oklch(0.48 0.015 250);
    --accent: oklch(0.55 0.14 155);
    --accent-strong: oklch(0.48 0.14 155);
    --accent-ink: oklch(0.99 0.01 155);
    --red: oklch(0.55 0.20 25);   --red-bg: oklch(0.93 0.04 25);
    --yellow: oklch(0.55 0.13 90); --yellow-bg: oklch(0.95 0.05 90);
    --green: oklch(0.52 0.14 150); --green-bg: oklch(0.93 0.05 150);
    --blue: oklch(0.52 0.12 240);  --blue-bg: oklch(0.93 0.04 240);
  }
}

* { box-sizing: border-box; }
html { color-scheme: dark light; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--display); text-wrap: balance; line-height: 1.2; }
h1 { font-size: 1.7rem; margin: 0 0 .35rem; letter-spacing: -0.01em; }
h2 { font-size: 1.15rem; margin: 2rem 0 .75rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 .5rem; }
p  { max-width: 70ch; }
a  { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: .88em; }

/* ---- shell ---- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 218px; flex-shrink: 0;
  background: var(--bg-inset);
  border-right: 1px solid var(--border);
  padding: 1.1rem .9rem;
  display: flex; flex-direction: column; gap: .15rem;
}
.brand {
  font-family: var(--display); font-weight: 650; font-size: 1.12rem;
  letter-spacing: -0.01em; margin: 0 .35rem 1rem;
  color: var(--text); display: flex; align-items: baseline; gap: .45rem;
}
.brand .dot { color: var(--accent); }
.sidebar a.nav {
  padding: .42rem .65rem; border-radius: 7px; color: var(--text-dim);
  font-size: .93rem;
}
.sidebar a.nav:hover { color: var(--text); background: var(--bg-raised); text-decoration: none; }
.sidebar a.nav.active { color: var(--text); background: var(--bg-raised); font-weight: 600; }
.sidebar .spacer { flex: 1; }
.sidebar .whoami { font-size: .8rem; color: var(--text-dim); padding: .5rem .65rem; border-top: 1px solid var(--border); }
.sidebar .whoami .mail { word-break: break-all; }

main { flex: 1; padding: 2rem 2.4rem 4rem; max-width: 1200px; min-width: 0; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.page-head .sub { color: var(--text-dim); font-size: .92rem; margin: 0; }

/* ---- flash + banners ---- */
.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1.25rem; font-size: .93rem; border: 1px solid; }
.flash.success { background: var(--green-bg); color: var(--green); border-color: color-mix(in oklch, var(--green) 40%, transparent); }
.flash.error   { background: var(--red-bg); color: var(--red); border-color: color-mix(in oklch, var(--red) 40%, transparent); }
.banner-warn {
  background: var(--yellow-bg); color: var(--yellow);
  border: 1px solid color-mix(in oklch, var(--yellow) 40%, transparent);
  border-radius: 8px; padding: .6rem 1rem; margin-bottom: 1.25rem; font-size: .9rem;
}

/* ---- tables ---- */
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th { text-align: left; color: var(--text-dim); font-weight: 600; font-size: .8rem; padding: .5rem .75rem; border-bottom: 1px solid var(--border-strong); }
td { padding: .6rem .75rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:hover td { background: color-mix(in oklch, var(--bg-raised) 55%, transparent); }
td .dim { color: var(--text-dim); font-size: .85rem; }

/* ---- badges ---- */
.badge {
  display: inline-block; padding: .13rem .55rem; border-radius: 99px;
  font-size: .76rem; font-weight: 600; white-space: nowrap;
}
.badge.green  { background: var(--green-bg); color: var(--green); }
.badge.red    { background: var(--red-bg); color: var(--red); }
.badge.yellow { background: var(--yellow-bg); color: var(--yellow); }
.badge.blue   { background: var(--blue-bg); color: var(--blue); }
.badge.gray   { background: var(--bg-raised); color: var(--text-dim); border: 1px solid var(--border); }

/* ---- forms ---- */
form.stack { display: flex; flex-direction: column; gap: .9rem; max-width: 480px; }
label.field { display: flex; flex-direction: column; gap: .3rem; font-size: .88rem; color: var(--text-dim); font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  background: var(--bg-inset); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 7px;
  padding: .5rem .65rem; font: inherit; font-size: .93rem;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
input::placeholder { color: var(--text-dim); }
label.check { display: flex; gap: .5rem; align-items: center; font-size: .9rem; color: var(--text); font-weight: 400; }

.btn {
  display: inline-block; padding: .48rem 1rem; border-radius: 7px;
  border: 1px solid var(--border-strong); background: var(--bg-raised); color: var(--text);
  font: inherit; font-size: .9rem; font-weight: 600; cursor: pointer;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--accent-ink); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); }
.btn.danger { color: var(--red); border-color: color-mix(in oklch, var(--red) 45%, transparent); background: transparent; }
.btn.danger:hover { background: var(--red-bg); }
.btn.small { padding: .25rem .6rem; font-size: .8rem; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
form.inline { display: inline; }

/* ---- panels / stats ---- */
.panel {
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 10px; padding: 1.1rem 1.3rem; margin-bottom: 1.4rem;
}
.statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .9rem; margin-bottom: 1.6rem; }
.stat { background: var(--bg-raised); border: 1px solid var(--border); border-radius: 10px; padding: .85rem 1rem; }
.stat .n { font-size: 1.7rem; font-weight: 700; font-family: var(--display); line-height: 1.1; }
.stat .l { font-size: .8rem; color: var(--text-dim); margin-top: .15rem; }
.stat.red .n { color: var(--red); }
.stat.yellow .n { color: var(--yellow); }
.stat.green .n { color: var(--green); }

/* ---- misc ---- */
.record-box {
  background: var(--bg-inset); border: 1px dashed var(--border-strong); border-radius: 8px;
  padding: .8rem 1rem; font-family: var(--mono); font-size: .85rem;
  overflow-x: auto; white-space: pre; margin: .6rem 0;
}
.copy-wrap { position: relative; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1.4rem; font-size: .92rem; }
.kv dt { color: var(--text-dim); }
.kv dd { margin: 0; word-break: break-word; }
.timeline { list-style: none; margin: 0; padding: 0; font-size: .88rem; }
.timeline li { padding: .5rem 0 .5rem 1.1rem; position: relative; border-bottom: 1px solid var(--border); }
.timeline li::before {
  content: ""; position: absolute; left: 0; top: 1rem;
  width: 7px; height: 7px; border-radius: 99px; background: var(--accent);
}
.timeline .when { color: var(--text-dim); font-size: .8rem; }
.empty { color: var(--text-dim); padding: 2.5rem 0; text-align: center; font-size: .95rem; }

/* ---- auth ---- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; background: var(--bg); }
.auth-card { width: min(400px, 92vw); background: var(--bg-raised); border: 1px solid var(--border); border-radius: 12px; padding: 2rem 2.2rem 2.2rem; }
.auth-card h1 { font-size: 1.35rem; }
.auth-card form { margin-top: 1.2rem; }
.env-tag { font-size: .72rem; color: var(--text-dim); text-align: center; margin-top: 1.2rem; }

@media (max-width: 860px) {
  .shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .sidebar .whoami { border: 0; }
  main { padding: 1.2rem; }
}

@media (prefers-reduced-motion: no-preference) {
  .btn, .sidebar a.nav, input, select { transition: border-color .12s ease-out, background .12s ease-out; }
}