/* PTKTXH Theme Layer */
:root {
 --ptktxh-primary:#0F4C81;
 --ptktxh-secondary:#168AAD;
 --ptktxh-bg:#F5F7FA;
 --ptktxh-card:#FFFFFF;
}

body {
 background: var(--ptktxh-bg);
 font-family: "Segoe UI", Arial, sans-serif;
}

.ptktxh-card {
 background:var(--ptktxh-card);
 border-radius:12px;
 box-shadow:0 2px 10px rgba(0,0,0,.08);
 padding:20px;
}

.ptktxh-header {
 background:linear-gradient(135deg,var(--ptktxh-primary),var(--ptktxh-secondary));
 color:#fff;
}

.ptktxh-sidebar {
 background:#fff;
 border-right:1px solid #e5e7eb;
}

.ptktxh-title {
 font-weight:600;
 color:var(--ptktxh-primary);
}