:root {
    --bg: #1e1f24;
    --panel: #2a2c33;
    --panel-2: #32343c;
    --text: #e6e7ea;
    --muted: #9aa0aa;
    --accent: #4a90d9;
    --ok: #3fb950;
    --warn: #d2a23a;
    --err: #e5534b;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.page { min-height: 100vh; }

.topbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--panel);
    border-bottom: 1px solid #000;
}

.brand { font-weight: 700; font-size: 1.1rem; }
.nav { display: flex; gap: 0.4rem; align-items: center; }
.nav a {
    color: var(--text);
    text-decoration: none;
    padding: 0.35rem 0.7rem;
    border-radius: 6px;
    background: var(--panel-2);
    font-size: 0.9rem;
    opacity: 0.9;
}
.nav a:hover { opacity: 1; background: #3c3f48; }
.topbar .user { margin-left: auto; color: var(--muted); }
.logout-form { margin: 0; }

.content { padding: 1.5rem; max-width: 1100px; margin: 0 auto; }

.page-head { display: flex; align-items: center; justify-content: space-between; }

h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; margin-top: 2rem; color: var(--muted); }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }

.card {
    background: var(--panel);
    border: 1px solid #000;
    border-left: 4px solid var(--muted);
    border-radius: 8px;
    padding: 1rem 1.1rem;
}
.card.online { border-left-color: var(--ok); }
.card.offline { border-left-color: var(--err); }
.card h3 { margin: 0 0 0.5rem; }
.card h3 small { color: var(--muted); font-weight: 400; font-size: 0.8rem; margin-left: 0.4rem; }
.card p { margin: 0.3rem 0; }
.muted { color: var(--muted); font-size: 0.85rem; }
.status.err { color: var(--err); }

.badge { padding: 0.1rem 0.5rem; border-radius: 10px; font-size: 0.8rem; background: var(--panel-2); }
.badge.ok { background: var(--ok); color: #06210d; }
.badge.warn { background: var(--warn); color: #2a1e05; }

.btn {
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid #000;
    border-radius: 6px;
    padding: 0.45rem 0.9rem;
    cursor: pointer;
}
.btn:hover { background: #3c3f48; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; width: 100%; margin-top: 0.5rem; }
.btn-ghost { background: transparent; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { background: var(--panel); padding: 2rem; border-radius: 10px; width: 320px; border: 1px solid #000; }
.login-title { text-align: center; margin: 0; }
.login-sub { text-align: center; color: var(--muted); margin: 0.25rem 0 1.25rem; }
.field { display: block; margin-bottom: 0.9rem; }
.field span { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.25rem; }
.field input { width: 100%; padding: 0.5rem; border-radius: 6px; border: 1px solid #000; background: var(--panel-2); color: var(--text); }
.err { color: var(--err); font-size: 0.85rem; }

/* Tablas y formularios */
.form-row { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; margin-top: 0.5rem; }
.form-col { display: flex; flex-direction: column; gap: 0.6rem; }
.form-row input, .form-col input, .form-row select { padding: 0.45rem; border-radius: 6px; border: 1px solid #000; background: var(--panel-2); color: var(--text); }
.chk { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--muted); }
.btn-danger { background: var(--err); border-color: var(--err); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); }
.actions { display: flex; gap: 0.4rem; }
.grid { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.grid th, .grid td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid #000; }
.grid th { color: var(--muted); font-weight: 600; font-size: 0.85rem; }
.ok-text { color: var(--ok); font-size: 0.9rem; }

/* Formulario de configuración (grilla de campos etiquetados) */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0.75rem 1rem; margin-top: 0.5rem; }
.form-grid > label { display: flex; flex-direction: column; gap: 0.25rem; color: var(--muted); font-size: 0.85rem; }
.form-grid > label.wide { grid-column: 1 / -1; }
.form-grid > label.chk { flex-direction: row; align-items: center; }
.form-grid input, .form-grid select, .form-grid textarea {
    padding: 0.45rem; border-radius: 6px; border: 1px solid #000;
    background: var(--panel-2); color: var(--text); font: inherit;
}
.form-grid textarea { resize: vertical; font-family: ui-monospace, "Cascadia Code", Consolas, monospace; }

#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: var(--err);
    color: #fff;
    padding: 0.6rem 1rem;
}