:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #059669;
    --danger: #dc2626;
    --warning: #d97706;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --border: #e2e8f0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    line-height: 1.5;
}

.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
}

header {
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.btn-logout {
    background: none; border: 1px solid var(--border); border-radius: 8px;
    padding: 6px 14px; cursor: pointer; font-size: 0.85rem; color: #64748b;
    white-space: nowrap; transition: all 0.2s;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

h1 { font-size: 1.875rem; font-weight: 700; color: #0f172a; margin: 0; }
p.subtitle { color: #64748b; margin-top: 5px; }

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

h3 { margin-top: 0; font-size: 1.1rem; border-bottom: 1px solid var(--border); padding-bottom: 12px; margin-bottom: 20px; color: var(--primary); }

.form-group { margin-bottom: 16px; }
label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: 6px; color: #475569; }

input, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 0.9rem;
    width: 100%;
}

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

.btn-secondary { background: #f1f5f9; color: #475569; margin-top: 8px; }
.btn-secondary:hover { background: #e2e8f0; }

.status-indicator {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-ok { background: #ecfdf5; color: var(--success); border: 1px solid #a7f3d0; }
.status-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }

.diag-wizard {
    grid-column: span 2;
    background: #fffbeb;
    border: 1px solid #fde68a;
    padding: 20px;
    border-radius: 12px;
}