:root {
    --bg: #0f1419;
    --panel: #171e26;
    --panel2: #1f2832;
    --line: #2b3643;
    --text: #e6edf3;
    --muted: #8b98a5;
    --primary: #3b82f6;
    --ok: #22c55e;
    --err: #ef4444;
    --warn: #f59e0b;
    --accent: #a78bfa;
    --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: #7cb4ff; text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: .9em; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.15rem; margin: 2rem 0 .75rem; }
h3 { font-size: 1rem; margin: 1.25rem 0 .5rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }

/* Cabecera */
.top { display: flex; align-items: center; gap: 1.5rem; padding: .75rem 1.5rem; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.top .brand { font-weight: 700; color: var(--text); white-space: nowrap; }
.top nav { display: flex; gap: .25rem; flex: 1; flex-wrap: wrap; }
.top nav a { padding: .4rem .75rem; border-radius: 8px; color: var(--muted); }
.top nav a.active, .top nav a:hover { background: var(--panel2); color: var(--text); text-decoration: none; }
.top .user { display: flex; align-items: center; gap: .75rem; color: var(--muted); }
.menu-btn { display: none; background: none; border: 0; color: var(--text); font-size: 1.4rem; cursor: pointer; }
main { max-width: 1280px; margin: 0 auto; padding: 1.5rem; }

/* Bloques */
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.hint { color: var(--muted); margin: 0 0 1rem; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1rem; }
.empty { background: var(--panel); border: 1px dashed var(--line); border-radius: var(--radius); padding: 2rem; text-align: center; color: var(--muted); }
.flash { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; border: 1px solid; }
.flash.ok { background: #14532d33; border-color: #22c55e66; }
.flash.error { background: #7f1d1d33; border-color: #ef444466; }
.flash.warn { background: #78350f33; border-color: #f59e0b66; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; margin-bottom: 1rem; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; display: flex; flex-direction: column; gap: .25rem; }
.stat b { font-size: 1.6rem; }
.stat span { color: var(--muted); font-size: .85rem; }
.stat.ok b { color: var(--ok); } .stat.err b { color: var(--err); } .stat.warn b { color: var(--warn); }

/* Tablas */
.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 1rem; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .6rem .8rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; background: var(--panel2); }
tr:last-child td { border-bottom: 0; }
tr.muted td { opacity: .55; }
.right { text-align: right; } .nowrap { white-space: nowrap; } .small { font-size: .85rem; color: var(--muted); }

/* Etiquetas de estado */
.badge { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .78rem; background: var(--panel2); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.badge.ok { color: var(--ok); border-color: #22c55e55; background: #22c55e18; }
.badge.err { color: var(--err); border-color: #ef444455; background: #ef444418; }
.badge.off { color: var(--muted); }
.badge.accent { color: var(--accent); border-color: #a78bfa55; background: #a78bfa18; }

/* Formularios */
.form label { display: block; margin-bottom: .9rem; color: var(--muted); font-size: .9rem; }
.form label > input, .form label > select, .form label > textarea { margin-top: .3rem; }
input, select, textarea { width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: .55rem .7rem; font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
input[type=color] { height: 2.5rem; padding: .2rem; }
input[type=file] { padding: .4rem; }
label.check { display: flex; align-items: center; gap: .5rem; color: var(--text); }
label.check input { width: auto; margin: 0; }
small { color: var(--muted); }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 1rem; }
.grid2.top { align-items: start; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0 1rem; }
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.row input { width: auto; flex: 1; min-width: 140px; }
.row .w-small, .w-small { width: 90px !important; flex: 0 0 90px; }
form.inline { display: inline; }
.thumb { display: flex; align-items: center; gap: .75rem; margin-top: .5rem; }
.thumb img { max-height: 56px; max-width: 160px; border-radius: 6px; background: #fff1; }

/* Botones */
.btn { display: inline-block; padding: .5rem .9rem; border-radius: 8px; border: 1px solid var(--line); background: var(--panel2); color: var(--text); font: inherit; font-size: .9rem; cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.ghost { background: transparent; }
.btn.danger { background: transparent; border-color: #ef444466; color: #fca5a5; }
.btn.danger:hover { background: #ef444422; }
.btn.small { padding: .25rem .6rem; font-size: .8rem; }
.danger-zone { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); }

/* Marcas */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.brand-card { display: flex; gap: 1rem; align-items: center; color: var(--text); border-left: 4px solid var(--bc); }
.brand-card:hover { text-decoration: none; border-color: var(--bc); }
.brand-logo { width: 64px; height: 64px; border-radius: 12px; background: var(--bg); display: grid; place-items: center; flex: 0 0 64px; overflow: hidden; }
.brand-logo img { max-width: 100%; max-height: 100%; }
.brand-logo span { font-size: 1.8rem; font-weight: 700; color: var(--bc); }
.keybox pre { background: var(--bg); padding: .75rem; border-radius: 8px; overflow-x: auto; user-select: all; }

.tabs { display: flex; gap: .25rem; margin-bottom: 1rem; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tabs a { padding: .5rem 1rem; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--text); border-color: var(--primary); }

.spark { display: flex; gap: 2px; height: 28px; margin-bottom: 1rem; overflow: hidden; }
.spark i { flex: 1; min-width: 3px; max-width: 10px; border-radius: 2px; background: var(--ok); }
.spark i.err { background: var(--err); }

/* Login */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.card.login { width: 100%; max-width: 380px; }
.card.login h1 { margin-bottom: 1.25rem; text-align: center; }
.card.login label { display: block; margin-bottom: .9rem; color: var(--muted); }
.card.login .btn { width: 100%; padding: .7rem; }

/* Móvil */
@media (max-width: 860px) {
    .top { flex-wrap: wrap; gap: .5rem; }
    .menu-btn { display: block; margin-left: auto; }
    .top nav, .top .user { display: none; width: 100%; }
    body.nav-open .top nav { display: flex; flex-direction: column; }
    body.nav-open .top .user { display: flex; justify-content: space-between; padding-top: .5rem; border-top: 1px solid var(--line); }
    main { padding: 1rem; }
}