:root {
  --bg: #f4f6fa;
  --panel: #ffffff;
  --border: #e2e6ee;
  --text: #1c2333;
  --muted: #6b7489;
  --accent: #2563eb;
  --accent-soft: #e6eefe;
  --ok: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --side: #121a2b;
  --side-text: #c9d2e6;
  --radius: 10px;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  font-size: 14px;
  color: var(--text);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; }
button {
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  padding: 7px 14px; border-radius: 8px; cursor: pointer;
}
button:hover { border-color: #c4cbda; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { background: #1d4ed8; }
button.danger { color: var(--bad); border-color: #f3c4c4; }
button:disabled { opacity: .5; cursor: default; }
input, select, textarea {
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; background: #fff; color: var(--text);
}
textarea { resize: vertical; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

/* ---------- Mise en page */
.layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--side); color: var(--side-text); display: flex; flex-direction: column; padding: 18px 12px; }
.brand { font-weight: 700; color: #fff; font-size: 16px; padding: 0 10px 18px; }
.brand small { display: block; font-weight: 400; color: #8391b0; font-size: 12px; margin-top: 2px; }
.nav a {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--side-text); text-decoration: none; padding: 9px 10px; border-radius: 8px; margin-bottom: 2px;
}
.nav a:hover { background: #1c2740; }
.nav a.active { background: #22305158; color: #fff; box-shadow: inset 3px 0 0 var(--accent); }
.sidebar .me { margin-top: auto; padding: 10px; font-size: 13px; border-top: 1px solid #24304a; }
.sidebar .me button { margin-top: 8px; width: 100%; background: transparent; color: var(--side-text); border-color: #2c3a58; }
main { padding: 24px 28px; min-width: 0; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head .spacer { flex: 1; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }

.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 24px; font-weight: 600; margin-top: 4px; }

/* ---------- Tableau */
.table-wrap { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; background: #fafbfd; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: #f7f9fd; }
tbody tr:last-child td { border-bottom: none; }

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: #b8bfcc; margin-right: 6px; }
.dot.on { background: var(--ok); box-shadow: 0 0 0 3px #16a34a22; }
.badge { display: inline-block; background: var(--bad); color: #fff; border-radius: 10px; font-size: 11px; padding: 1px 7px; margin-left: 6px; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; background: #eef1f6; color: var(--muted); }
.pill.ok { background: #dcfce7; color: #166534; }
.pill.bad { background: #fee2e2; color: #991b1b; }
.pill.warn { background: #fef3c7; color: #92400e; }
.pill.info { background: var(--accent-soft); color: #1e40af; }
.badge.neutral { background: var(--accent); }

/* ---------- Billets */
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--panel); }
.seg button { border: none; border-radius: 0; border-right: 1px solid var(--border); padding: 7px 12px; }
.seg button:last-child { border-right: none; }
.seg button.active { background: var(--accent); color: #fff; }
.ticket-grid { grid-template-columns: minmax(0, 1fr) 300px; align-items: start; }
.ticket-side label { display: block; margin-top: 10px; }
.ticket-side select { width: 100%; margin-top: 4px; }
.note { border-left: 3px solid var(--accent); background: #f8f9fc; padding: 8px 12px; border-radius: 0 8px 8px 0; margin-bottom: 8px; white-space: pre-wrap; }
.note.sys { border-left-color: #c4cbda; color: var(--muted); font-size: 13px; background: transparent; }
.note .meta { font-size: 11px; color: var(--muted); margin-bottom: 2px; }
.shot { max-width: 100%; border: 1px solid var(--border); border-radius: 8px; display: block; }
@media (max-width: 900px) { .ticket-grid { grid-template-columns: 1fr; } }

.bar { height: 6px; background: #edf0f5; border-radius: 3px; overflow: hidden; min-width: 70px; }
.bar > span { display: block; height: 100%; background: var(--accent); }
.bar.warn > span { background: var(--warn); }
.bar.bad > span { background: var(--bad); }
.metric { display: flex; align-items: center; gap: 8px; }
.metric small { color: var(--muted); width: 36px; text-align: right; }

/* ---------- Fiche poste */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tabs button { border: none; background: none; border-radius: 0; padding: 10px 14px; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
dl.kv { display: grid; grid-template-columns: 160px 1fr; gap: 8px 12px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; word-break: break-word; }

.chat { display: flex; flex-direction: column; height: 520px; }
.chat .messages { flex: 1; overflow-y: auto; padding: 8px; background: #f8f9fc; border: 1px solid var(--border); border-radius: 8px; }
.msg { max-width: 70%; margin: 6px 0; padding: 8px 12px; border-radius: 12px; background: #fff; border: 1px solid var(--border); white-space: pre-wrap; word-wrap: break-word; }
.msg.tech { margin-left: auto; background: var(--accent-soft); border-color: #cddcfb; }
.msg .meta { font-size: 11px; color: var(--muted); margin-bottom: 2px; }
.chat form { display: flex; gap: 8px; margin-top: 10px; }
.chat form input { flex: 1; }

.terminal-out {
  background: #0f1523; color: #d6deeb; font-family: Consolas, "Cascadia Mono", monospace; font-size: 13px;
  border-radius: 8px; padding: 12px; min-height: 260px; max-height: 520px; overflow: auto; white-space: pre-wrap;
}
.terminal-out .cmd { color: #7fb4ff; }
.terminal-out .err { color: #ff8b8b; }
.code-box { font-family: Consolas, monospace; background: #0f1523; color: #d6deeb; padding: 12px; border-radius: 8px; white-space: pre-wrap; word-break: break-all; }

.toast-zone { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 50; }
.toast { background: var(--side); color: #fff; padding: 12px 16px; border-radius: 10px; max-width: 360px; box-shadow: 0 8px 24px #0003; cursor: pointer; }
.toast b { display: block; margin-bottom: 2px; }

.form-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }

/* ---------- Connexion */
.login { min-height: 100vh; display: grid; place-items: center; background: var(--side); }
.login .card { width: 340px; }
.login input { width: 100%; margin-bottom: 10px; }
.login button { width: 100%; }
.error { color: var(--bad); min-height: 18px; margin-bottom: 8px; }

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .sidebar .me { margin: 0 0 0 auto; border: none; }
  main { padding: 16px; }
  dl.kv { grid-template-columns: 1fr; }
}