:root {
    color-scheme: light dark;
    --bg: #f7f7f8;
    --panel: #ffffff;
    --border: #dcdde1;
    --text: #1f2328;
    --muted: #6b7280;
    --accent: #2563eb;
    --danger: #b91c1c;
    --success: #15803d;
    --warn: #b45309;
}

* { box-sizing: border-box; }

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

.container { max-width: 1100px; margin: 0 auto; padding: 24px 16px; }

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
}

.topbar nav { display: flex; gap: 18px; align-items: center; }
.topbar a { color: var(--text); text-decoration: none; }
.topbar a.brand { font-weight: 700; color: var(--accent); }
.topbar a:hover { text-decoration: underline; }

.logout-form { display: flex; align-items: center; gap: 10px; }
.who { color: var(--muted); font-size: 0.9em; }

.link-button {
    background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; font: inherit;
}

table { width: 100%; border-collapse: collapse; background: var(--panel); margin-bottom: 24px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 0.92em; }
th { color: var(--muted); font-weight: 600; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

pre.payload {
    background: #0f172a;
    color: #e2e8f0;
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 400px;
}

.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 0.8em; font-weight: 600; }
.badge-queued { background: #e0e7ff; color: #3730a3; }
.badge-processing { background: #fef3c7; color: var(--warn); }
.badge-success, .badge-delivered { background: #dcfce7; color: var(--success); }
.badge-failed { background: #fee2e2; color: var(--danger); }

form.inline { display: inline; }

input[type=text], input[type=password] {
    padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font: inherit; width: 100%;
}

button, .btn {
    padding: 8px 14px; border: 1px solid var(--accent); background: var(--accent); color: #fff;
    border-radius: 6px; cursor: pointer; font: inherit;
}
button.secondary { background: var(--panel); color: var(--accent); }
button.danger { background: var(--danger); border-color: var(--danger); }

.error { color: var(--danger); margin-bottom: 12px; }
.muted { color: var(--muted); }
.flex-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
a.button-link { text-decoration: none; }