:root{--primary:#0B7A3E;--primary-dark:#075C2F;--success:#22C55E;--warning:#F59E0B;--danger:#EF4444;--info:#3B82F6;--dark:#0F172A;--gray:#64748B;--border:#E2E8F0;--white:#fff;--bg:#F5F7FB;--radius:16px;--shadow:0 10px 30px rgba(15,23,42,.08)}
*{box-sizing:border-box}body{background:var(--bg);font-family:'Segoe UI',Arial,sans-serif;color:var(--dark)}a{text-decoration:none}.sidebar{width:270px;min-height:100vh;background:#fff;border-right:1px solid var(--border);position:sticky;top:0}.sidebar .nav-link{color:#334155;border-radius:12px;padding:11px 14px;margin-bottom:5px;font-weight:500}.sidebar .nav-link:hover,.sidebar .nav-link.active{background:var(--primary);color:#fff}.main-area{min-height:100vh}.topbar{background:#fff;border-bottom:1px solid var(--border);height:68px}.card-custom,.stat-card{border:none;border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}.stat-card{padding:20px}.page-title{font-size:28px;font-weight:800}.btn-primary{background:var(--primary);border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}.table th{color:#64748B;font-size:13px}.logo-sidebar{width:72px;height:72px;object-fit:contain}.mobile-sidebar-toggle{display:none}@media(max-width:768px){.sidebar{position:fixed;left:-280px;z-index:1000;transition:.2s}.sidebar.show{left:0}.mobile-sidebar-toggle{display:inline-flex}.content-wrap{padding-left:0!important}.topbar{height:auto}.page-title{font-size:23px}}