:root {
  --bg: #f4f5f7; --panel: #ffffff; --ink: #1c2230; --muted: #6a7385;
  --line: #dfe3ea; --accent: #2f5bd7; --accent-ink: #ffffff;
  --ok: #167a4a; --ok-bg: #e6f5ec; --warn: #8a5a00; --warn-bg: #fdf3e0;
  --err: #b3261e; --err-bg: #fdecea; --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171d; --panel: #1c2029; --ink: #e6e9ef; --muted: #98a1b3;
    --line: #2d3340; --accent: #6b8dfa; --accent-ink: #10131a;
    --ok: #6fd39b; --ok-bg: #16281f; --warn: #e5b25a; --warn-bg: #2a2216;
    --err: #f08a80; --err-bg: #2c1a19;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 18px 56px; }

header.top { background: var(--panel); border-bottom: 1px solid var(--line); margin-bottom: 26px; }
header.top .wrap { display: flex; align-items: center; gap: 22px; padding: 12px 18px;
  flex-wrap: wrap; }
.brand { font-weight: 650; letter-spacing: -.01em; text-decoration: none; color: var(--ink);
  display: flex; align-items: center; gap: 9px; }
.brand span { font-size: 11px; font-weight: 500; color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 1px 8px; }
nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; align-items: center; }
nav a { padding: 6px 11px; border-radius: 7px; text-decoration: none; color: var(--muted);
  font-size: 14px; }
nav a:hover { background: var(--bg); color: var(--ink); }
nav a.on { background: var(--accent); color: var(--accent-ink); }

h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -.015em; }
h2 { font-size: 16px; margin: 0 0 14px; letter-spacing: -.01em; }
.sub { color: var(--muted); margin: 0 0 22px; font-size: 14px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; margin-bottom: 18px; }
.card.tight { padding: 0; overflow: hidden; }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--muted); font-weight: 600; padding: 11px 16px; border-bottom: 1px solid var(--line); }
td { padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
td.actions { text-align: right; white-space: nowrap; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
.dim { color: var(--muted); font-size: 13px; }

.badge { display: inline-block; font-size: 11.5px; font-weight: 600; padding: 2px 9px;
  border-radius: 999px; border: 1px solid transparent; white-space: nowrap; }
.badge.actif { background: var(--ok-bg); color: var(--ok); }
.badge.a-venir { background: var(--warn-bg); color: var(--warn); }
.badge.termine, .badge.desactive { background: var(--bg); color: var(--muted); border-color: var(--line); }
.badge.invalide { background: var(--err-bg); color: var(--err); }

.btn { display: inline-block; border: 1px solid var(--line); background: var(--panel);
  color: var(--ink); border-radius: 8px; padding: 7px 13px; font: inherit; font-size: 14px;
  cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { color: var(--err); }
.btn.small { padding: 4px 9px; font-size: 13px; }
.row-btns { display: flex; gap: 7px; flex-wrap: wrap; }
form.inline { display: inline; }

label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
label .hint { font-weight: 400; color: var(--muted); }
input[type=text], input[type=password], input[type=email], input[type=number],
input[type=datetime-local], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { resize: vertical; min-height: 200px; font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 13.5px; line-height: 1.6; }
.field { margin-bottom: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
@media (max-width: 620px) { .grid2 { grid-template-columns: 1fr; } }
.check { display: flex; gap: 9px; align-items: center; }
.check input { width: auto; }
.check label { margin: 0; }
fieldset { border: 0; border-top: 1px solid var(--line); padding: 18px 0 0; margin: 6px 0 18px; }
legend { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted);
  font-weight: 600; padding-right: 10px; }
.form-actions { display: flex; gap: 10px; align-items: center; padding-top: 6px; }

.flash { padding: 11px 15px; border-radius: 8px; margin-bottom: 12px; font-size: 14px;
  border: 1px solid transparent; }
.flash.ok { background: var(--ok-bg); color: var(--ok); border-color: currentColor; }
.flash.warn { background: var(--warn-bg); color: var(--warn); border-color: currentColor; }
.flash.error { background: var(--err-bg); color: var(--err); border-color: currentColor; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px;
  margin-bottom: 18px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 15px 17px; }
.stat b { display: block; font-size: 25px; font-weight: 650; letter-spacing: -.02em; }
.stat span { color: var(--muted); font-size: 13px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 7px; }
.dot.up { background: var(--ok); } .dot.down { background: var(--err); }

pre.log { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 14px;
  overflow: auto; max-height: 460px; font-size: 12.5px; line-height: 1.5; margin: 0;
  font-family: ui-monospace, Menlo, Consolas, monospace; white-space: pre-wrap;
  word-break: break-word; }

.auth { max-width: 400px; margin: 9vh auto; }
.auth .card { padding: 28px; }
.auth h1 { text-align: center; margin-bottom: 6px; }
.auth .sub { text-align: center; }
.auth .btn { width: 100%; text-align: center; }
.code-input { text-align: center; letter-spacing: .5em; font-size: 22px !important;
  font-family: ui-monospace, Menlo, monospace; }
.qr { background: #fff; padding: 14px; border-radius: 10px; width: fit-content; margin: 0 auto 16px; }
.qr img { display: block; width: 216px; height: 216px; }
.secret { text-align: center; font-family: ui-monospace, Menlo, monospace; font-size: 15px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px;
  word-break: break-all; }
ol.steps { padding-left: 20px; color: var(--muted); font-size: 14px; margin: 0 0 18px; }
ol.steps li { margin-bottom: 5px; }
.codes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 12px 0; }
@media (max-width: 560px) { .codes { grid-template-columns: repeat(2, 1fr); } }
.codes code { background: var(--bg); border: 1px solid var(--line); border-radius: 6px;
  padding: 7px; text-align: center; font-size: 14px; letter-spacing: .06em; }
.empty { text-align: center; color: var(--muted); padding: 34px 16px; }