:root {
    --bg: #f4f6fb;
    --surface: #ffffff;
    --text: #101828;
    --muted: #667085;
    --border: #e4e7ec;
    --accent: #2563eb;
    --accent-text: #ffffff;
    --danger: #b42318;
    --danger-bg: #fef3f2;
    --ok: #067647;
    --ok-bg: #ecfdf3;
    --radius: 12px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .08);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1117;
        --surface: #161b22;
        --text: #e6edf3;
        --muted: #8b949e;
        --border: #30363d;
        --danger: #ff7b72;
        --danger-bg: #2d1618;
        --ok: #3fb950;
        --ok-bg: #12261a;
        --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 24px 16px 48px;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-text-size-adjust: 100%;
}

.card {
    max-width: 420px;
    margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 24px;
}

.card.wide { max-width: 680px; }

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
    font-weight: 650;
    font-size: 17px;
    letter-spacing: -0.01em;
}

.brand .dot {
    width: 26px; height: 26px;
    border-radius: 8px;
    background: var(--accent);
    display: grid; place-items: center;
    color: #fff; font-size: 13px; font-weight: 700;
}

h1 { font-size: 22px; margin: 18px 0 6px; letter-spacing: -0.02em; }
h2 { font-size: 15px; margin: 24px 0 8px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
p.sub { color: var(--muted); margin: 0 0 20px; }
p.hint { color: var(--muted); font-size: 13px; }

label { display: block; font-weight: 550; font-size: 13px; margin: 14px 0 6px; }

input[type=text], input[type=email], input[type=password] {
    width: 100%;
    padding: 11px 12px;
    font-size: 16px; /* 16px stops iOS zooming the field on focus */
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
}

input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
    border-color: var(--accent);
}

button, .btn {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    width: 100%;
    margin-top: 14px;
    padding: 12px 14px;
    font-size: 15px; font-weight: 600; font-family: inherit;
    color: var(--accent-text); background: var(--accent);
    border: 1px solid transparent; border-radius: 10px;
    cursor: pointer; text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}

button:disabled { opacity: .55; cursor: progress; }

button.secondary, .btn.secondary {
    color: var(--text); background: var(--surface); border-color: var(--border);
}

button.ghost {
    color: var(--muted); background: none; border: none;
    width: auto; margin: 0; padding: 4px 0; font-size: 13px; text-decoration: underline;
}

button.link-danger { color: var(--danger); }

.divider {
    display: flex; align-items: center; gap: 12px;
    margin: 20px 0 6px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em;
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.alert { padding: 10px 12px; border-radius: 10px; font-size: 13px; margin: 0 0 16px; }
.alert.error { color: var(--danger); background: var(--danger-bg); border: 1px solid var(--danger); }
.alert.info { color: var(--muted); background: var(--bg); border: 1px solid var(--border); }
.alert.ok { color: var(--ok); background: var(--ok-bg); border: 1px solid var(--ok); }
.alert[hidden] { display: none; }

.accounts { list-style: none; margin: 8px 0 0; padding: 0; }
.accounts li { border-bottom: 1px solid var(--border); }
.accounts li:last-child { border-bottom: none; }

.account-row {
    display: flex; align-items: center; gap: 12px;
    width: 100%; margin: 0; padding: 12px 4px;
    background: none; border: none; color: var(--text);
    font-size: 15px; text-align: left; cursor: pointer;
}
.account-row:hover { background: var(--bg); }

.avatar {
    flex: 0 0 40px; height: 40px; width: 40px;
    border-radius: 50%;
    background: var(--accent); color: #fff;
    display: grid; place-items: center;
    font-size: 14px; font-weight: 700; letter-spacing: .02em;
}

.account-meta { flex: 1; min-width: 0; }
.account-meta .name { font-weight: 600; }
.account-meta .detail { color: var(--muted); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.pill {
    display: inline-block; padding: 1px 7px; border-radius: 999px;
    font-size: 11px; font-weight: 600; letter-spacing: .02em;
    border: 1px solid var(--border); color: var(--muted);
}
.pill.passkey { color: var(--ok); background: var(--ok-bg); border-color: var(--ok); }
.pill.active { color: var(--accent); border-color: var(--accent); }

.chev { color: var(--muted); flex: 0 0 auto; }

table.kv { width: 100%; border-collapse: collapse; font-size: 13px; }
table.kv th { text-align: left; color: var(--muted); font-weight: 550; padding: 6px 12px 6px 0; vertical-align: top; white-space: nowrap; }
table.kv td { padding: 6px 0; word-break: break-all; font-variant-numeric: tabular-nums; }

code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }

.footer { max-width: 680px; margin: 20px auto 0; text-align: center; color: var(--muted); font-size: 12px; }
.footer a { color: var(--muted); }

.spinner {
    width: 15px; height: 15px; border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, .35); border-top-color: #fff;
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 2s; } }

.client-chip {
    display: inline-flex; align-items: center; gap: 6px;
    margin-bottom: 2px; padding: 3px 9px;
    border: 1px solid var(--border); border-radius: 999px;
    font-size: 12px; color: var(--muted);
}
.client-chip .swatch { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }