/* Portail FFS2play — thème clair / sombre selon les préférences du système */
:root {
    --bg: #f4f6fb;
    --surface: #ffffff;
    --surface-2: #eef2f8;
    --text: #172033;
    --muted: #5b6678;
    --border: #d9dfea;
    --accent: #2563eb;
    --accent-text: #ffffff;
    --success: #15803d;
    --warning: #b45309;
    --danger: #b91c1c;
    --live: #7c3aed;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
    color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1220;
        --surface: #161d2e;
        --surface-2: #1d2639;
        --text: #e6eaf2;
        --muted: #98a2b5;
        --border: #2a3449;
        --accent: #4f8cff;
        --success: #3fbf6f;
        --warning: #f2a33a;
        --danger: #f26363;
        --live: #a78bfa;
        --shadow: none;
    }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6em; }
h1 { font-size: 1.8rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; }
code { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; background: var(--surface-2); padding: .1em .4em; border-radius: 4px; }

/* En-tête */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 1000; }
.topbar-inner { max-width: 1280px; margin: 0 auto; padding: .6rem 1rem; display: flex; align-items: center; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.15rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.nav { display: flex; align-items: center; gap: .3rem; margin-left: auto; flex-wrap: wrap; }
.nav a, .nav .link { color: var(--muted); padding: .4rem .7rem; border-radius: 6px; font: inherit; }
.nav a:hover, .nav .link:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--text); background: var(--surface-2); }
.nav a.button { color: var(--accent-text); }
.nav-user { font-weight: 600; }
.nav-toggle, .nav-burger { display: none; }
@media (max-width: 760px) {
    .nav-burger { display: block; margin-left: auto; width: 32px; height: 24px; cursor: pointer; position: relative; }
    .nav-burger span, .nav-burger span::before, .nav-burger span::after {
        content: ""; position: absolute; left: 0; right: 0; height: 3px; border-radius: 2px; background: var(--text);
    }
    .nav-burger span { top: 10px; }
    .nav-burger span::before { top: -9px; }
    .nav-burger span::after { top: 9px; }
    .topbar-inner { flex-wrap: wrap; }
    .nav { display: none; width: 100%; flex-direction: column; align-items: stretch; }
    .nav-toggle:checked ~ .nav { display: flex; }
}

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 1.5rem 1rem 3rem; flex: 1; }
.footer { text-align: center; color: var(--muted); font-size: .85rem; padding: 1.5rem 1rem; border-top: 1px solid var(--border); }

/* Blocs */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem; box-shadow: var(--shadow); overflow-x: auto; }
.card.narrow { max-width: 560px; margin-left: auto; margin-right: auto; }
.card.center { text-align: center; }
.card.cta { text-align: center; }
.page-header { margin-bottom: 1.25rem; }
.page-header p { margin: .2rem 0 0; }
.grid { display: grid; gap: 1.25rem; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid.two > .card { margin-bottom: 0; }
.grid.two + .card, .card + .grid.two { margin-top: 1.25rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

/* Formulaires */
.form { display: flex; flex-direction: column; gap: .9rem; }
.form.row { flex-direction: row; flex-wrap: wrap; align-items: center; margin: 1rem 0; }
.form.row input { flex: 1; min-width: 200px; }
label { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; font-size: .92rem; }
label small { font-weight: 400; color: var(--muted); }
label.checkbox { flex-direction: row; align-items: center; gap: .5rem; font-weight: 400; }
input, select, textarea {
    font: inherit; color: var(--text); background: var(--surface-2); border: 1px solid var(--border);
    border-radius: 8px; padding: .55rem .7rem; width: 100%;
}
input[type="checkbox"] { width: auto; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
form.inline { display: inline; }

.button {
    display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
    font: inherit; font-weight: 600; color: var(--accent-text); background: var(--accent);
    border: 1px solid var(--accent); border-radius: 8px; padding: .55rem 1rem; cursor: pointer;
}
.button:hover { filter: brightness(1.08); text-decoration: none; }
.button.ghost { background: transparent; color: var(--accent); }
.button.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.button.small { padding: .25rem .6rem; font-size: .85rem; }
.form > .button { align-self: flex-start; }
button.link { background: none; border: 0; cursor: pointer; }
.actions { white-space: nowrap; text-align: right; }
.actions .button { margin-left: .25rem; }
.copy-button { margin-left: .5rem; vertical-align: middle; }

/* Messages */
.alert { border-radius: 8px; padding: .75rem 1rem; margin-bottom: 1rem; border: 1px solid; }
.alert p { margin: .2rem 0; }
.alert-success { color: var(--success); border-color: var(--success); background: color-mix(in srgb, var(--success) 10%, transparent); }
.alert-error { color: var(--danger); border-color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, transparent); }
.alert-warning { color: var(--warning); border-color: var(--warning); background: color-mix(in srgb, var(--warning) 10%, transparent); }
.alert-info { color: var(--accent); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }

.badge { display: inline-block; font-size: .75rem; font-weight: 600; padding: .1rem .5rem; border-radius: 999px; background: var(--surface-2); color: var(--muted); margin-left: .35rem; vertical-align: middle; }
.badge.online { background: color-mix(in srgb, var(--success) 18%, transparent); color: var(--success); }
.badge.offline { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.badge.live { background: color-mix(in srgb, var(--live) 18%, transparent); color: var(--live); }

/* Tableaux */
.table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.table th { text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
.table th, .table td { padding: .55rem .6rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tr.me td { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.table tr.clickable { cursor: pointer; }
.table tr.clickable:hover td { background: var(--surface-2); }

/* Statistiques */
.stats { display: flex; flex-wrap: wrap; gap: 1rem; list-style: none; padding: 0; margin: 0 0 1rem; }
.stats li { flex: 1 1 120px; background: var(--surface-2); border-radius: 8px; padding: .8rem 1rem; }
.stats strong { display: block; font-size: 1.5rem; }
.stats span { color: var(--muted); font-size: .85rem; }

.hero { display: flex; flex-wrap: wrap; gap: 1rem; align-items: flex-end; justify-content: space-between; margin-bottom: 1rem; }
.hero .stats { margin: 0; flex: 1 1 480px; }
.hero h1 { margin-bottom: .2rem; }

/* En direct */
.tabs { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .8rem; }
.tab { font: inherit; font-size: .9rem; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 999px; padding: .3rem .8rem; cursor: pointer; }
.tab[aria-selected="true"] { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.tab .count { display: inline-block; min-width: 1.4em; text-align: center; font-size: .78rem; font-weight: 700; border-radius: 999px; background: rgba(127, 127, 127, .2); padding: 0 .35em; }
.live-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(320px, 2fr); gap: 1.25rem; margin-bottom: 1.25rem; }
.live-grid > .card { margin-bottom: 0; }
@media (max-width: 980px) { .live-grid { grid-template-columns: 1fr; } }
.map { height: 560px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface-2); z-index: 0; }
.map.tall { height: 620px; }
@media (max-width: 760px) { .map, .map.tall { height: 380px; } }
.plane-icon img { width: 28px; height: 28px; display: block; transform-origin: 50% 50%; filter: drop-shadow(0 1px 2px rgba(0, 0, 0, .5)); }
.plane-icon.ground img { opacity: .7; }
.plane-icon.me img { filter: drop-shadow(0 0 4px #f59e0b) drop-shadow(0 1px 2px rgba(0, 0, 0, .5)); }
.leaflet-container .trail { stroke: #2563eb; stroke-opacity: .55; fill: none; }
.leaflet-container .trail.me { stroke: #f59e0b; }
.leaflet-container .trail.flight { stroke: #7c3aed; stroke-opacity: .85; }
.leaflet-container .point.departure { stroke: #15803d; fill: #15803d; fill-opacity: .8; }
.leaflet-container .point.arrival { stroke: #b91c1c; fill: #b91c1c; fill-opacity: .8; }

/* Divers */
.subnav { display: flex; flex-wrap: wrap; gap: .3rem; margin-bottom: 1.25rem; }
.subnav a { padding: .35rem .8rem; border-radius: 6px; background: var(--surface); border: 1px solid var(--border); color: var(--text); font-size: .92rem; }
.pagination { display: flex; gap: .3rem; margin-top: 1rem; flex-wrap: wrap; }
.pagination a { padding: .2rem .6rem; border: 1px solid var(--border); border-radius: 6px; }
.pagination a[aria-current="page"] { background: var(--accent); color: var(--accent-text); }
.steps { padding-left: 1.2rem; }
.steps li { margin-bottom: .5rem; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: .5rem 0; }
.kv dt { font-weight: 600; color: var(--muted); }
.kv dd { margin: 0; }
details summary { cursor: pointer; font-weight: 600; color: var(--accent); margin: .5rem 0; }
.install-checks { list-style: none; padding: 0; }
.install-checks li::before { content: "✔ "; color: var(--success); }
.install-checks li.ko::before { content: "✘ "; color: var(--danger); }