:root {
    color-scheme: light;
    --ink: #0f172a;
    --muted: #64748b;
    --line: #e2e8f0;
    --bg: #f8fafc;
    --teal: #0f766e;
    --teal-dark: #115e59;
    --ok: #166534;
    --ok-bg: #dcfce7;
    --bad: #991b1b;
    --bad-bg: #fee2e2;
    --off: #475569;
    --off-bg: #e2e8f0;
}

* { box-sizing: border-box; }

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

.top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    background: var(--teal-dark);
    color: white;
}

.brand {
    margin: 0;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    opacity: 0.8;
}

h1, h2 { margin: 0; }

h1 { font-size: 28px; }

.wrap {
    width: min(980px, calc(100% - 32px));
    margin: 24px auto 40px;
    display: grid;
    gap: 16px;
}

.card {
    background: white;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 20px;
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card { width: min(420px, 100%); }
.login-card h1 { margin: 0 0 8px; color: var(--ink); font-size: 26px; }
.nav { display: flex; gap: 18px; align-items: center; }
.qr { margin: 16px 0; }
.secret {
    font-family: Consolas, monospace;
    letter-spacing: 0.08em;
    word-break: break-all;
}

label {
    display: block;
    margin-top: 14px;
    font-size: 14px;
    font-weight: 600;
}

input, textarea {
    width: 100%;
    margin-top: 6px;
    padding: 10px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    font: inherit;
}

.grid {
    display: grid;
    grid-template-columns: 140px 1fr 180px;
    gap: 12px;
}

.check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.check input { width: auto; margin: 0; }

.actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 16px;
}

button, .link {
    font: inherit;
}

button {
    border: 0;
    border-radius: 10px;
    padding: 10px 16px;
    background: var(--teal);
    color: white;
    font-weight: 700;
    cursor: pointer;
}

button.text {
    padding: 0;
    background: transparent;
    color: var(--bad);
}

a { color: var(--teal-dark); }

.top .link { color: white; }

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

.alert, .notice {
    margin: 12px 0 0;
    padding: 10px 12px;
    border-radius: 10px;
}

.alert {
    background: var(--bad-bg);
    color: var(--bad);
}

.notice {
    background: var(--ok-bg);
    color: var(--ok);
}

.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}

th, td {
    text-align: left;
    padding: 12px 8px;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}

th { font-size: 13px; color: var(--muted); }

.row-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    white-space: nowrap;
}

.row-actions form { margin: 0; }

.pill {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.pill.off { background: var(--off-bg); color: var(--off); }

@media (max-width: 760px) {
    .grid { grid-template-columns: 1fr; }
}