:root {
    --bg: #f4f6f9; --card: #fff; --text: #1d2433; --muted: #6b7486; --border: #e3e7ee;
    --primary: #3563e9; --primary-h: #2a50c4;
    --up: #16a34a; --up-bg: #dcfce7; --down: #dc2626; --down-bg: #fee2e2;
    --warn: #d97706; --warn-bg: #fef3c7; --pause: #64748b; --pause-bg: #e2e8f0;
    --radius: 10px; --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f141c; --card: #171e29; --text: #e5e9f0; --muted: #8b95a7; --border: #263042;
        --primary: #5b84f5; --primary-h: #7598f7;
        --up-bg: #12351f; --down-bg: #3d1717; --warn-bg: #3b2a0b; --pause-bg: #262f3d;
        --shadow: none;
    }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.45rem; margin: 0; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
code, pre { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: .85em; }
pre { background: var(--bg); border: 1px solid var(--border); padding: .6rem .8rem; border-radius: 6px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }
[hidden] { display: none !important; }

/* Barre du haut */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
    padding: .6rem 1.5rem; background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--text); font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.logo { width: 30px; height: 30px; border-radius: 7px; background: #fff; object-fit: contain; display: inline-block; border: 1px solid var(--border); }
.logo.big { width: 96px; height: 96px; border-radius: 18px; }
.node { font-size: .72rem; font-weight: 600; color: var(--muted); background: var(--bg); border: 1px solid var(--border); padding: 1px 8px; border-radius: 99px; }
.topbar nav { display: flex; align-items: center; gap: .25rem; flex-wrap: wrap; }
.topbar nav a, .topbar nav .link { padding: .4rem .7rem; border-radius: 6px; color: var(--muted); font-weight: 500; }
.topbar nav a:hover, .topbar nav .link:hover { background: var(--bg); color: var(--text); text-decoration: none; }
.topbar nav a.active { color: var(--primary); background: var(--bg); }

.container { max-width: 1240px; margin: 0 auto; padding: 1.5rem; }
.foot { text-align: center; color: var(--muted); font-size: .75rem; padding: 1rem 0 2rem; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.toolbar p { margin: .25rem 0 0; }
.filters, .btn-group { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.2rem; margin-bottom: 1.2rem; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .5rem; }
.card-head h2 { margin: 0; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 1.2rem; }
.grid2 > .card { margin-bottom: 0; }
.grid2 + * { margin-top: 1.2rem; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.inline { display: inline; }
.empty-state { text-align: center; padding: 3rem 1rem; }

/* Boutons & formulaires */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .3rem; padding: .45rem .9rem; border-radius: 7px;
    border: 1px solid var(--border); background: var(--card); color: var(--text); font: inherit; font-weight: 500; cursor: pointer; }
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-h); }
.btn.danger { color: var(--down); }
.btn.danger:hover { border-color: var(--down); }
.btn.small { padding: .2rem .6rem; font-size: .8rem; }
.btn.block { width: 100%; margin-top: .5rem; }
.btn:disabled { opacity: .6; cursor: wait; }
.link { background: none; border: 0; color: var(--primary); cursor: pointer; font: inherit; padding: 0; }
input, select, textarea { width: 100%; padding: .5rem .65rem; border: 1px solid var(--border); border-radius: 7px; background: var(--card); color: var(--text); font: inherit; margin-top: .25rem; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--primary) 35%, transparent); border-color: var(--primary); }
input[type=checkbox] { width: auto; margin: 0 .4rem 0 0; }
.filters input, .filters select { width: auto; margin: 0; min-width: 160px; }
label { display: block; font-weight: 500; margin-bottom: .8rem; }
label.check { display: flex; align-items: center; font-weight: 400; margin-bottom: .45rem; }
fieldset { border: 0; padding: 0; margin: 0 0 1.4rem; }
legend { font-weight: 700; font-size: 1rem; margin-bottom: .7rem; padding: 0; }
.form-grid { max-width: 820px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.row.three { grid-template-columns: repeat(3, 1fr); }
.actions { display: flex; justify-content: flex-end; gap: .5rem; }
details summary { cursor: pointer; color: var(--primary); margin-bottom: .6rem; }
dialog { max-width: 420px; width: 92vw; color: var(--text); }
dialog::backdrop { background: rgba(0, 0, 0, .45); }

/* Messages */
.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; border: 1px solid transparent; }
.flash.success { background: var(--up-bg); color: var(--up); }
.flash.error { background: var(--down-bg); color: var(--down); }
.flash.warning { background: var(--warn-bg); color: var(--warn); }
.txt-down, .msg-down { color: var(--down); }
.txt-warning, .msg-warning { color: var(--warn); }
.last-msg { padding: .75rem 1.2rem; }

/* Badges & statuts */
.badge { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .03em; padding: 2px 9px; border-radius: 99px; white-space: nowrap; vertical-align: middle; }
.badge.up { background: var(--up-bg); color: var(--up); }
.badge.down { background: var(--down-bg); color: var(--down); }
.badge.warning { background: var(--warn-bg); color: var(--warn); }
.badge.pending, .badge.paused { background: var(--pause-bg); color: var(--pause); }
h1 .badge { font-size: .8rem; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--pause); }
.dot.up { background: var(--up); } .dot.down { background: var(--down); } .dot.warning { background: var(--warn); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 1.2rem; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.2rem; box-shadow: var(--shadow); border-left: 4px solid var(--border); }
.stat b { display: block; font-size: 1.6rem; line-height: 1.2; }
.stat span { color: var(--muted); font-size: .82rem; }
.stat.up { border-left-color: var(--up); } .stat.down { border-left-color: var(--down); }
.stat.warning { border-left-color: var(--warn); } .stat.paused { border-left-color: var(--pause); }
.stat.down b { color: var(--down); }

/* Tableaux */
.table-wrap { padding: 0; overflow-x: auto; }
.table-wrap > p { padding: 1.2rem; margin: 0; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; padding: .7rem 1rem; border-bottom: 1px solid var(--border); }
td { padding: .7rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
table.compact td { padding: .4rem .5rem; font-size: .85rem; }
.monitors tbody tr:hover { background: color-mix(in srgb, var(--primary) 4%, transparent); }
.mname { font-weight: 600; color: var(--text); }
.type { font-weight: 600; }
.uptime { font-weight: 600; white-space: nowrap; } .uptime.good { color: var(--up); } .uptime.mid { color: var(--warn); } .uptime.bad { color: var(--down); }
.bars { display: flex; gap: 2px; height: 22px; align-items: stretch; width: 240px; }
.bars i { flex: 1; border-radius: 2px; background: var(--up); min-width: 2px; }
.bars i.down { background: var(--down); } .bars i.warning { background: var(--warn); }
.bars i.empty { background: var(--border); }
.incident { display: flex; align-items: center; gap: .6rem; padding: .3rem 0; flex-wrap: wrap; }
.incidents { border-left: 4px solid var(--down); }

/* Graphique */
.chart { width: 100%; height: 200px; display: block; }
.ch-line { fill: none; stroke: var(--primary); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.ch-grid { stroke: var(--border); stroke-width: 1; vector-effect: non-scaling-stroke; }
.ch-down { stroke: var(--down); stroke-opacity: .35; stroke-width: 3; vector-effect: non-scaling-stroke; }
.ch-lbl { fill: var(--muted); font-size: 10px; }
.seg { display: flex; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; }
.seg a { padding: .25rem .7rem; color: var(--muted); font-size: .82rem; }
.seg a.active { background: var(--primary); color: #fff; }
.seg a:hover { text-decoration: none; }

dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1.2rem; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }
.copy { display: flex; gap: .5rem; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 7px; padding: .4rem .6rem; margin-bottom: .6rem; }
.copy code { flex: 1; word-break: break-all; }
.blur { filter: blur(4px); cursor: pointer; }

/* Authentification */
.auth-box { max-width: 380px; margin: 8vh auto 0; padding: 2rem; }
.auth-box.wide { max-width: 640px; }
.auth-brand { display: flex; flex-direction: column; align-items: center; gap: .6rem; margin-bottom: 1.5rem; }
.otp { font-size: 1.5rem; letter-spacing: .4em; text-align: center; font-family: ui-monospace, Consolas, monospace; }
.totp-setup { display: grid; grid-template-columns: 220px 1fr; gap: 1.5rem; align-items: start; margin-top: 1rem; }
.qr { background: #fff; padding: 10px; border-radius: 8px; width: 220px; height: 220px; display: flex; align-items: center; justify-content: center; color: #333; font-size: .8rem; text-align: center; }
.secret { display: block; font-size: 1rem; background: var(--bg); padding: .6rem; border-radius: 6px; margin-bottom: 1rem; word-break: break-all; }

@media (max-width: 720px) {
    .container { padding: 1rem; }
    .topbar { padding: .6rem 1rem; }
    .hide-sm { display: none; }
    .row, .row.three, .totp-setup { grid-template-columns: 1fr; }
    .grid2 { grid-template-columns: 1fr; }
    .filters input, .filters select { min-width: 0; flex: 1; }
}
.topbar nav a.account { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; border-left: 1px solid var(--border); border-radius: 0 6px 6px 0; margin-left: .3rem; }
.topbar nav a.account::before { content: "👤 "; }