:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --bg: #f4f6f9;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --green: #16a34a;
    --red: #dc2626;
    --yellow: #d97706;
}

* { box-sizing: border-box; }

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

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

.topbar h1 {
    font-size: 18px;
    margin: 0;
}

.container {
    padding: 20px 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 20px;
    margin-bottom: 18px;
}

.card h2 {
    font-size: 15px;
    margin: 0 0 14px 0;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

tr:hover td { background: #f8fafc; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge-online { background: #dcfce7; color: var(--green); }
.badge-offline { background: #fee2e2; color: var(--red); }

.btn {
    display: inline-block;
    padding: 7px 14px;
    border-radius: 6px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover { background: var(--primary-dark); }

.btn-danger { background: var(--red); }
.btn-danger:hover { background: #b91c1c; }

.btn-secondary { background: #64748b; }
.btn-secondary:hover { background: #475569; }

input[type=text], input[type=password], input[type=search], select {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    width: 100%;
}

.form-row {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.form-group {
    flex: 1;
    min-width: 180px;
}

.form-group label {
    display: block;
    font-size: 12.5px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.searchbar {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.searchbar input { max-width: 320px; }

.stats {
    display: flex;
    gap: 14px;
    margin-bottom: 18px;
}

.stat-box {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 20px;
    flex: 1;
}

.stat-box .num { font-size: 24px; font-weight: 700; }
.stat-box .label { font-size: 12.5px; color: var(--text-muted); }

.rx-good { color: var(--green); font-weight: 600; }
.rx-warn { color: var(--yellow); font-weight: 600; }
.rx-bad { color: var(--red); font-weight: 600; }

a.link { color: var(--primary); text-decoration: none; }
a.link:hover { text-decoration: underline; }

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #1e293b;
    color: #fff;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 13.5px;
    z-index: 999;
    display: none;
    max-width: 320px;
}

.toast.show { display: block; }
.toast.error { background: var(--red); }
.toast.success { background: var(--green); }

.small-muted { font-size: 12px; color: var(--text-muted); }