:root {
    color-scheme: light dark;
    --bg: #f5f6f8;
    --fg: #1c1f24;
    --card: #ffffff;
    --border: #dfe3e8;
    --accent: #2952cc;
    --muted: #6b7280;
    --danger: #c0392b;
    --success: #1e8e3e;
}

* { box-sizing: border-box; }

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

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 14px 24px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.topbar .brand { font-weight: 700; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--fg); text-decoration: none; }
.topbar nav a:hover { color: var(--accent); }
.user-menu { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.user-menu a { color: var(--accent); }

.container { max-width: 1080px; margin: 0 auto; padding: 24px; }

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

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 600; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge-active { background: #e3f6e8; color: var(--success); }
.badge-inactive { background: #fdecea; color: var(--danger); }
.badge-forward { background: #e8eeff; color: var(--accent); }
.badge-reply { background: #fff4e0; color: #a15c00; }
.badge-sent { background: #e3f6e8; color: var(--success); }
.badge-failed { background: #fdecea; color: var(--danger); }
.badge-skipped { background: #eef0f2; color: var(--muted); }

form.inline { display: inline; }

.form-grid { display: grid; gap: 12px; max-width: 520px; }
.form-grid label { font-size: 13px; color: var(--muted); display: block; margin-bottom: 4px; }
.form-grid input[type=text], .form-grid input[type=email], .form-grid input[type=password] {
    width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px;
}

button, .btn {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 6px;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
}
button.secondary, .btn.secondary { background: transparent; color: var(--accent); }
button.danger, .btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.flash-success { background: #e3f6e8; color: var(--success); }
.flash-error { background: #fdecea; color: var(--danger); }

.stat-row { display: flex; gap: 16px; flex-wrap: wrap; }
.stat { flex: 1; min-width: 160px; }
.stat .value { font-size: 28px; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 13px; }

.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 320px; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
.muted { color: var(--muted); }

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14161a;
        --fg: #e7e9ec;
        --card: #1c1f24;
        --border: #2c313a;
    }
}