:root {
  --bg: #0f1524;
  --panel: #182236;
  --panel-2: #1f2b42;
  --text: #e7ecf5;
  --muted: #93a1bb;
  --accent: #4f8cff;
  --accent-2: #2d6adf;
  --ok: #1f9d63;
  --warn: #b8860b;
  --danger: #c0392b;
  --border: #26344d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-weight: 700; font-size: 1.15rem; display: flex; align-items: center; gap: 0.5rem; }
.logo {
  display: inline-flex;
  width: 1.9rem;
  height: 1.9rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 800;
}

nav { display: flex; gap: 1rem; flex-wrap: wrap; }
nav a { color: var(--text); opacity: 0.85; font-size: 0.95rem; }
nav a:hover { opacity: 1; }

.who { color: var(--muted); margin-right: 0.5rem; }

.container { max-width: 1180px; margin: 0 auto; padding: 1.5rem; }

h1 { font-size: 1.6rem; margin: 0.5rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 0.8rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.1rem 1.2rem;
  margin-bottom: 1.2rem;
}

.card.narrow { max-width: 460px; }
.card.center { margin-left: auto; margin-right: auto; text-align: center; }
.card.center form { text-align: left; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; }
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0.9rem; align-items: start; }
.grid-form .actions { grid-column: 1 / -1; }

.stat { display: flex; flex-direction: column; align-items: center; }
.stat .value { font-size: 1.9rem; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }

label { display: block; margin-bottom: 0.8rem; font-size: 0.9rem; color: var(--muted); }
label.checkbox { display: flex; align-items: center; gap: 0.5rem; color: var(--text); }
label.checkbox input { width: auto; }

input, select, button {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.55rem 0.7rem;
}

label input, label select { display: block; width: 100%; margin-top: 0.3rem; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

button { cursor: pointer; background: var(--panel-2); }
button:hover { border-color: var(--accent); }
button.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: none; color: #fff; font-weight: 600; }
button.danger { background: transparent; border-color: var(--danger); color: #ff8f83; }
button.link { background: none; border: none; color: var(--accent); padding: 0; font-size: 0.9rem; }
button.link.danger { color: #ff8f83; }
a.button { display: inline-block; padding: 0.55rem 0.9rem; border-radius: 0.5rem; }

.row { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; margin-bottom: 0.6rem; }
.row.spaced { justify-content: space-between; }
.inline { display: inline-flex; align-items: center; gap: 0.5rem; }
.stack { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 0.8rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
table.kv th { width: 40%; }

.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.78rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
}
.badge.ok { border-color: var(--ok); color: #6ee7a5; }
.badge.off { border-color: var(--danger); color: #ff9f96; }
.badge.warn { border-color: var(--warn); color: #ffd479; }
.badge.info { border-color: var(--accent); color: #9dc0ff; }

.muted { color: var(--muted); }
.mono { font-family: "Cascadia Mono", Consolas, "Courier New", monospace; font-size: 0.85rem; }
.small { font-size: 0.8rem; }
code { background: var(--panel-2); padding: 0.1rem 0.35rem; border-radius: 0.3rem; }
pre { background: var(--panel-2); padding: 0.7rem; border-radius: 0.5rem; overflow-x: auto; }

.flashes { margin-bottom: 1rem; }
.flash { padding: 0.7rem 1rem; border-radius: 0.5rem; margin-bottom: 0.6rem; border: 1px solid var(--border); background: var(--panel); }
.flash.success { border-color: var(--ok); }
.flash.error { border-color: var(--danger); }
.flash.warning { border-color: var(--warn); }
.flash.info { border-color: var(--accent); }

.qr { background: #fff; padding: 0.8rem; border-radius: 0.5rem; display: inline-block; margin: 0.6rem 0; }
.qr svg { display: block; width: 220px; height: 220px; }

ul.codes { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 0.5rem; list-style: none; padding: 0; }
ul.codes li { background: var(--panel-2); padding: 0.5rem; border-radius: 0.4rem; text-align: center; }

.footer { text-align: center; color: var(--muted); font-size: 0.8rem; padding: 2rem 1rem; }