:root {
  --ca-brand: #0284c7;
  --ca-header: #0284c7;
  --ca-bg: #f5f5f7;
  --ca-panel: #ffffff;
  --ca-panel-soft: #fafafa;
  --ca-border: #e5e5ea;
  --ca-muted: #6e6e73;
  --ca-fg: #1d1d1f;
  --ca-hover: #f2f2f7;
  --ca-input: #ffffff;
  --ca-good: #248a3d;
  --ca-warn: #b25000;
  --ca-bad: #d70015;
  --ca-font: "Segoe UI", system-ui, sans-serif;
}
html.dark {
  --ca-brand: #f5f5f7;
  --ca-header: #ffffff;
  --ca-bg: #000;
  --ca-panel: #1c1c1e;
  --ca-panel-soft: #2c2c2e;
  --ca-border: #38383a;
  --ca-muted: #98989d;
  --ca-fg: #f5f5f7;
  --ca-hover: #2c2c2e;
  --ca-input: #1c1c1e;
  --ca-good: #30d158;
  --ca-warn: #ffd60a;
  --ca-bad: #ff453a;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--ca-bg);
  color: var(--ca-fg);
  font: 15px/1.45 var(--ca-font);
}
html.dark body {
  background: radial-gradient(900px 400px at 50% -5%, rgba(255,255,255,.06), transparent 55%), #000;
}
a { color: var(--ca-brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar, .auth-card, .panel, .nav, .metric, .shot, table, input, select, button, textarea {
  border-color: var(--ca-border);
}
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .7rem 1.2rem; border-bottom: 1px solid var(--ca-border);
  background: color-mix(in srgb, var(--ca-panel) 92%, transparent);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: .6rem; color: var(--ca-header); font-weight: 600; }
.brand b { font-weight: 700; }
.brand span { font-weight: 400; opacity: .85; }
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 56px); }
.nav { border-right: 1px solid var(--ca-border); padding: .8rem; display: flex; flex-direction: column; gap: .15rem; }
.nav a { color: var(--ca-fg); padding: .45rem .7rem; border-radius: 8px; text-decoration: none; }
.nav a.active, .nav a:hover { background: var(--ca-hover); }
main { padding: 1.25rem 1.4rem 3rem; }
h1 { font-size: 1.7rem; font-weight: 600; margin: 0 0 .25rem; }
.sub { color: var(--ca-muted); margin: 0 0 1rem; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; margin: 1rem 0; }
.metric, .panel { background: var(--ca-panel); border: 1px solid var(--ca-border); border-radius: 14px; padding: .9rem 1rem; }
.metric .k { color: var(--ca-muted); font-size: .75rem; letter-spacing: .04em; text-transform: uppercase; }
.metric .v { font-size: 1.6rem; font-weight: 600; }
.grid-2 { display: grid; grid-template-columns: 1.2fr .8fr; gap: .8rem; }
table { width: 100%; border-collapse: collapse; background: var(--ca-panel); border-radius: 14px; overflow: hidden; }
th, td { text-align: left; padding: .55rem .7rem; border-bottom: 1px solid var(--ca-border); vertical-align: top; }
th { font-size: .75rem; color: var(--ca-muted); font-weight: 600; }
.range, .row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: end; margin-bottom: 1rem; }
label { display: flex; flex-direction: column; gap: .25rem; font-size: .8rem; color: var(--ca-muted); }
input, select, textarea {
  background: var(--ca-input); color: var(--ca-fg); border: 1px solid var(--ca-border);
  border-radius: 8px; padding: .45rem .6rem; font: inherit;
}
button, .btn {
  background: #3a3a3c; color: #fff; border: 0; border-radius: 8px; padding: .5rem .8rem;
  font: inherit; cursor: pointer; text-decoration: none; display: inline-block;
}
html:not(.dark) button, html:not(.dark) .btn { background: #0284c7; }
.btn.ghost, button.ghost { background: transparent; color: var(--ca-fg); border: 1px solid var(--ca-border); }
.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .7rem; }
.shot { padding: .4rem; }
.shot img { width: 100%; height: 140px; object-fit: cover; border-radius: 8px; background: #000; }
.pill { font-size: .75rem; padding: .1rem .45rem; border-radius: 999px; background: var(--ca-panel-soft); }
.pill.work { color: var(--ca-good); }
.pill.off { color: var(--ca-warn); }
.pill.risk { color: var(--ca-bad); }
.auth {
  min-height: 100vh; display: grid; place-items: center; padding: 2rem;
}
.auth-card { width: min(440px, 100%); background: var(--ca-panel); border: 1px solid var(--ca-border); border-radius: 18px; padding: 1.5rem; }
.auth-card h1 { font-size: 1.6rem; }
.auth-card form { display: flex; flex-direction: column; gap: .7rem; }
.error { color: var(--ca-bad); }
.banner { padding: .7rem .9rem; border-radius: 10px; background: var(--ca-panel-soft); margin-bottom: 1rem; }
ul.clean { margin: .2rem 0 0; padding-left: 1.1rem; }
.theme {
  border: 1px solid var(--ca-border); background: transparent; color: var(--ca-fg); border-radius: 999px; padding: .3rem .7rem;
}
@media (max-width: 960px) {
  .shell { grid-template-columns: 1fr; }
  .nav { flex-direction: row; overflow: auto; border-right: 0; border-bottom: 1px solid var(--ca-border); }
  .metrics, .grid-2 { grid-template-columns: 1fr; }
}