:root {
    --bg: #0f172a;
    --bg-panel: #ffffff;
    --bg-soft: #f1f5f9;
    --text: #0f172a;
    --muted: #64748b;
    --border: #e2e8f0;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #dc2626;
    --ok: #16a34a;
    --warn: #d97706;
    --err: #b91c1c;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 4px 12px rgba(15, 23, 42, .04);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg-soft);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 28px;
    background: var(--bg);
    color: #f8fafc;
    box-shadow: var(--shadow);
}

.topbar .brand { display: flex; align-items: center; gap: 8px; }
.topbar .dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: #38bdf8; box-shadow: 0 0 8px #38bdf8;
}
.topbar .muted { color: #94a3b8; font-weight: 400; }
.topbar a { color: #f8fafc; }

.container {
    max-width: 1180px;
    margin: 24px auto;
    padding: 0 20px;
}

.card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.card-narrow {
    max-width: 420px;
    margin: 80px auto 24px;
}

h1, h2, h3 { margin-top: 0; }
h1 { font-size: 22px; }
h2 { font-size: 18px; }
h3 { font-size: 15px; margin-top: 18px; }

.muted { color: var(--muted); }

label {
    display: block;
    font-weight: 500;
    margin: 12px 0 4px;
}
label.inline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 400;
    margin-right: 14px;
}
label small { display: block; font-weight: 400; }

input[type=text], input[type=url], input[type=password], input[type=number] {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    background: #fff;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .15);
}

.btn {
    display: inline-block;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: 6px;
    background: var(--bg-soft);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    margin-top: 16px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: #fee2e2; color: var(--danger); border-color: #fecaca; }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-link { background: transparent; padding: 6px 8px; color: #f8fafc; }

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    border: 1px solid var(--border);
    background: #fff;
}
.alert-error   { background: #fef2f2; border-color: #fecaca; color: var(--err); }
.alert-success { background: #f0fdf4; border-color: #bbf7d0; color: var(--ok); }
.alert-info    { background: #eff6ff; border-color: #bfdbfe; color: var(--primary); }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: start;
}
@media (max-width: 800px) {
    .grid-2 { grid-template-columns: 1fr; }
}

.kv {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 6px 12px;
    margin: 12px 0;
}
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    border-radius: 999px;
    background: var(--bg-soft);
    color: var(--muted);
    border: 1px solid var(--border);
}
.badge-ok   { background: #dcfce7; color: var(--ok);    border-color: #bbf7d0; }
.badge-warn { background: #fef3c7; color: var(--warn);  border-color: #fde68a; }
.badge-err  { background: #fee2e2; color: var(--err);   border-color: #fecaca; }

.env-card .env-header {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px;
}

.reports-table, .status-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 13px;
}
.reports-table th, .reports-table td,
.status-table th, .status-table td {
    border-bottom: 1px solid var(--border);
    padding: 6px 6px;
    text-align: left;
    vertical-align: middle;
}
.reports-table th, .status-table th {
    background: var(--bg-soft);
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: .04em;
}
.reports-table input[type=text],
.reports-table input[type=url],
.reports-table input[type=number] { padding: 5px 7px; font-size: 13px; }
.reports-table .blank-row td { background: #fafbff; }

details summary { cursor: pointer; color: var(--primary); margin-top: 8px; }
pre { background: var(--bg-soft); padding: 12px; border-radius: 6px; overflow: auto; font-size: 12px; }

fieldset {
    border: 1px dashed var(--border);
    border-radius: 6px;
    padding: 10px 14px;
    margin: 14px 0;
}
fieldset legend { color: var(--muted); padding: 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

code { background: var(--bg-soft); padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }

.footer {
    text-align: center;
    margin: 30px 0 24px;
    color: var(--muted);
    font-size: 12px;
}