*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--color-primary:#1B2D4F;--color-primary-light:#2A4270;--color-primary-dark:#0F1D33;--color-accent:#C8963E;--color-accent-dark:#A67B2E;--color-bg:#FFFFFF;--color-bg-alt:#F7F8FA;--color-text:#1A1A2E;--color-text-light:#6B7280;--color-text-on-dark:#FFFFFF;--color-text-on-dark-muted:#94A3B8;--color-border:#E5E7EB;--color-border-light:#F0F0F0;--color-success:#10B981;--color-error:#EF4444;--font-body:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;--radius-sm:3px;--radius-md:3px;--radius-lg:3px;--radius-xl:3px;--radius-full:3px;--shadow-sm:0 2px 8px rgba(0,0,0,.06);--shadow-md:0 8px 24px rgba(0,0,0,.1);--shadow-xl:0 24px 64px rgba(0,0,0,.2);--transition:.3s cubic-bezier(.4,0,.2,1)}html{-webkit-font-smoothing:antialiased}body{font-family:var(--font-body);font-size:15px;line-height:1.6;color:var(--color-text);background:var(--color-bg-alt)}img{max-width:100%;height:auto;display:block}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;outline:none;font-family:inherit;background:none}input,textarea,select{font-family:inherit;outline:none;border:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:.9rem;transition:all var(--transition);cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--color-accent),var(--color-accent-dark));color:#fff}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #c8963e4d}.btn-outline{background:transparent;color:var(--color-primary);border:2px solid var(--color-border)}.btn-outline:hover{border-color:var(--color-primary);background:var(--color-primary);color:#fff}.btn-sm{padding:8px 16px;font-size:.8rem}.btn-danger{background:var(--color-error);color:#fff}.btn-danger:hover{opacity:.9}.login-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-primary-dark),var(--color-primary));padding:24px}.login-card{background:#fff;border-radius:var(--radius-xl);padding:48px;width:100%;max-width:420px;box-shadow:var(--shadow-xl);text-align:center}.login-card img{height:60px;margin:0 auto 24px}.login-card h2{margin-bottom:4px;color:var(--color-primary-dark);font-size:1.5rem}.login-card>p{color:var(--color-text-light);font-size:.9rem;margin-bottom:32px}.login-card .form-group{text-align:left;margin-bottom:16px}.login-card .form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--color-text)}.login-card .form-group input{width:100%;padding:14px 16px;border:2px solid var(--color-border);border-radius:var(--radius-md);font-size:.95rem;transition:border-color var(--transition)}.login-card .form-group input:focus{border-color:var(--color-accent)}.login-error{color:var(--color-error);font-size:.85rem;margin-bottom:16px}.admin-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--color-primary-dark);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:20px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-brand img{height:36px}.sidebar-brand span{font-size:1.1rem;font-weight:700;color:#fff}.sidebar-nav{flex:1;padding:12px;display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--radius-md);color:var(--color-text-on-dark-muted);font-size:.9rem;font-weight:500;transition:all var(--transition)}.nav-link:hover,.nav-link.active{background:#ffffff14;color:#fff}.nav-link.active{background:#c8963e26;color:var(--color-accent)}.sidebar-footer{padding:12px;border-top:1px solid rgba(255,255,255,.08)}.main-content{flex:1;margin-left:260px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;background:#fff;border-bottom:1px solid var(--color-border)}.topbar h2{font-size:1.3rem;color:var(--color-primary-dark)}.content-area{padding:24px 32px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:24px}.stat-card{background:#fff;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:16px}.stat-icon{width:56px;height:56px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon.blue{background:#3b82f61a;color:#3b82f6}.stat-icon.green{background:#10b9811a;color:#10b981}.stat-icon.gold{background:#c8963e1a;color:var(--color-accent)}.stat-icon.purple{background:#8b5cf61a;color:#8b5cf6}.stat-number{font-size:1.8rem;font-weight:700;color:var(--color-primary-dark);display:block;line-height:1.2}.stat-label{font-size:.85rem;color:var(--color-text-light)}.table-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.table-header{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--color-border)}.table-header h3{font-size:1.1rem;color:var(--color-primary-dark)}table{width:100%;border-collapse:collapse}th,td{padding:14px 20px;text-align:left;font-size:.9rem}th{background:var(--color-bg-alt);font-weight:600;color:var(--color-text-light);text-transform:uppercase;font-size:.75rem;letter-spacing:1px}tr{border-bottom:1px solid var(--color-border-light)}tbody tr:hover{background:var(--color-bg-alt)}.actions{display:flex;gap:8px}.action-btn{padding:6px 12px;border-radius:var(--radius-sm);font-size:.8rem;font-weight:500;transition:all var(--transition);cursor:pointer}.action-btn.edit{background:#3b82f61a;color:#3b82f6}.action-btn.edit:hover{background:#3b82f6;color:#fff}.action-btn.delete{background:#ef44441a;color:#ef4444}.action-btn.delete:hover{background:#ef4444;color:#fff}.action-btn.view{background:#10b9811a;color:#10b981}.action-btn.view:hover{background:#10b981;color:#fff}.status-badge{display:inline-block;padding:4px 10px;border-radius:var(--radius-full);font-size:.75rem;font-weight:600}.status-badge.unread{background:#ef44441a;color:#ef4444}.status-badge.read{background:#10b9811a;color:#10b981}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px}.modal{background:#fff;border-radius:var(--radius-xl);width:100%;max-width:600px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--color-border)}.modal-header h3{font-size:1.2rem;color:var(--color-primary-dark)}.modal-body{padding:20px}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:16px 20px;border-top:1px solid var(--color-border)}.form-group{margin-bottom:12px}.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--color-text)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:2px solid var(--color-border);border-radius:var(--radius-md);font-size:.9rem;transition:border-color var(--transition)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--color-accent)}.form-group textarea{resize:vertical;min-height:100px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.empty-state{padding:48px;text-align:center;color:var(--color-text-light)}@media (max-width:1024px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.sidebar{display:none}.main-content{margin-left:0}.stats-grid{grid-template-columns:1fr}}