:root {
  --bg: #f4f6f9; --card: #fff; --text: #1b2330; --muted: #5b6676; --line: #dde2ea;
  --brand: #0d5c63; --brand-ink: #fff; --danger: #b42318; --ok: #067647;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f141a; --card: #171e26; --text: #e6ebf1; --muted: #9aa6b5; --line: #2a3440;
    --brand: #3bb0b8; --brand-ink: #062023; --danger: #f97066; --ok: #47cd89; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
h1, h2 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: 22px; } h2 { font-size: 17px; }
a { color: var(--brand); }
.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.login { width: 100%; max-width: 380px; }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.logo { width: 36px; height: 36px; border-radius: 9px; background: var(--brand); color: var(--brand-ink);
  display: grid; place-items: center; font-weight: 700; font-size: 18px; }
.brand b { font-size: 18px; } .brand small { display: block; color: var(--muted); font-size: 13px; }
label { display: block; font-weight: 600; font-size: 13px; margin: 14px 0 6px; }
input, select { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--text); font: inherit; }
input:focus, select:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
button { font: inherit; font-weight: 600; border: 0; border-radius: 8px; padding: 10px 16px; cursor: pointer;
  background: var(--brand); color: var(--brand-ink); }
button.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
button:disabled { opacity: .6; cursor: default; }
.login button { width: 100%; margin-top: 20px; }
.msg { min-height: 20px; margin-top: 12px; font-size: 14px; }
.msg.error { color: var(--danger); } .msg.ok { color: var(--ok); }
.hint { color: var(--muted); font-size: 13px; margin-top: 16px; }
header { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
header .brand { margin: 0; }
.who { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }
main { max-width: 960px; margin: 0 auto; padding: 24px 16px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.modules { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.module { border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.module b { display: block; } .module span { color: var(--muted); font-size: 13px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0 12px; align-items: end; }
.row button { margin-top: 14px; }
.table { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }
td button { padding: 4px 10px; font-size: 13px; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--line); }
.gap { margin-top: 20px; }
[hidden] { display: none !important; }