:root {
    --bg: #f5f6f8;
    --card: #fff;
    --text: #1f2430;
    --muted: #6b7280;
    --border: #e3e6eb;
    --accent: #2f6fed;
    --success-bg: #e7f6ec;
    --success: #1c7c3c;
    --error: #c62828;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 24px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }

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

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 24px;
    height: 56px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}
.topbar .logo { font-weight: 700; color: var(--text); }
.topbar nav a { color: var(--muted); margin-right: 16px; }
.topbar nav a.active { color: var(--text); font-weight: 600; }
.topbar-user { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.topbar-user form { margin: 0; }

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

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.page-head h1 { margin: 0; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }

.btn {
    display: inline-block;
    padding: 8px 16px;
    border: 0;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font: inherit;
    cursor: pointer;
}
.btn:hover { text-decoration: none; opacity: .9; }
.btn-small { padding: 4px 10px; font-size: 13px; }
.btn-link { background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 0 8px; }

label { display: block; margin-bottom: 12px; font-weight: 500; }
label.checkbox { font-weight: 400; }
input[type=text], input[type=email], input[type=password], input[type=url], select {
    display: block;
    width: 100%;
    margin-top: 4px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
}
.form { max-width: 520px; }
.error { color: var(--error); font-size: 13px; margin: -8px 0 12px; }

.auth-card { max-width: 380px; margin: 60px auto; }

.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.alert-success { background: var(--success-bg); color: var(--success); }

.table { width: 100%; border-collapse: separate; border-spacing: 0; padding: 0; overflow: hidden; }
.table th, .table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { font-size: 13px; color: var(--muted); font-weight: 500; }
.table tr:last-child td { border-bottom: 0; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; background: #eef0f3; color: var(--muted); }
.badge-active { background: var(--success-bg); color: var(--success); }
.badge-error { background: #fdecea; color: var(--error); }

.props { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin: 0; }
.props dt { color: var(--muted); }
.props dd { margin: 0; }

.steps { padding-left: 20px; margin: 0 0 12px; }
.secret { display: flex; align-items: center; gap: 8px; background: var(--bg); padding: 8px 10px; border-radius: 6px; }
.secret code { flex: 1; word-break: break-all; font-size: 13px; }

.btn-light { background: #eef0f3; color: var(--text); }
.btn:disabled { opacity: .6; cursor: default; }
.alert-error { background: #fdecea; color: var(--error); }
.ping-result { margin-top: 12px; }
.ping-result .alert { margin: 0; }
.form h2 { margin-top: 20px; }
.section { margin-top: 16px; }
.section .page-head { margin-bottom: 12px; }
.section .page-head h2 { margin: 0; }
.section .table { border: 0; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stats div { display: flex; flex-direction: column; gap: 2px; }
.stats b { font-size: 20px; }
@media (max-width: 760px) { .stats { grid-template-columns: 1fr; } }
.badge-group-completed { background: var(--success-bg); color: var(--success); }
.badge-group-cancelled { background: #fdecea; color: var(--error); }
.badge-group-processing { background: #e8f0fe; color: var(--accent); }
.badge-group-new { background: #fff4e0; color: #a35b00; }