:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary: #0ea5e9;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--dark: #1e293b;--darker: #0f172a;--light: #f8fafc;--gray: #64748b;--gray-light: #e2e8f0;--border-radius: 12px;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--light);color:var(--dark);line-height:1.6}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--darker) 0%,var(--primary-dark) 100%);padding:20px;position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(99,102,241,.1) 0%,transparent 50%);animation:rotate 30s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-container{width:100%;max-width:420px;position:relative;z-index:1}.login-card{background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:24px;padding:48px 40px;box-shadow:var(--shadow-xl);border:1px solid rgba(255,255,255,.2)}.login-header{text-align:center;margin-bottom:40px}.login-logo{width:72px;height:72px;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);border-radius:20px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:32px;color:#fff;box-shadow:0 8px 32px #6366f159}.login-title{font-size:28px;font-weight:700;color:var(--dark);margin-bottom:8px}.login-subtitle{color:var(--gray);font-size:15px}.form-group{margin-bottom:24px}.form-label{display:block;font-size:14px;font-weight:600;color:var(--dark);margin-bottom:8px}.form-input{width:100%;padding:14px 18px;font-size:15px;border:2px solid var(--gray-light);border-radius:var(--border-radius);background:var(--light);color:var(--dark);transition:all .3s ease;outline:none}.form-input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px #6366f11a}.form-input::placeholder{color:var(--gray)}.input-group{position:relative}.input-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--gray);font-size:18px}.input-group .form-input{padding-left:48px}.btn-login{width:100%;padding:16px 24px;font-size:16px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);border:none;border-radius:var(--border-radius);cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #6366f159;margin-top:8px}.btn-login:hover{transform:translateY(-2px);box-shadow:0 8px 25px #6366f173}.btn-login:active{transform:translateY(0)}.btn-login:disabled{opacity:.7;cursor:not-allowed;transform:none}.error-message{background:linear-gradient(135deg,#fef2f2,#fee2e2);border:1px solid #fecaca;color:var(--danger);padding:14px 18px;border-radius:var(--border-radius);margin-bottom:24px;font-size:14px;display:flex;align-items:center;gap:10px}.error-message:before{content:"⚠️";font-size:16px}.login-footer{text-align:center;margin-top:32px;padding-top:24px;border-top:1px solid var(--gray-light)}.login-footer p{color:var(--gray);font-size:13px}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;display:inline-block;margin-right:8px}@keyframes spin{to{transform:rotate(360deg)}}.admin-layout{display:flex;min-height:100vh;background:var(--light)}.admin-sidebar{width:280px;background:linear-gradient(180deg,var(--darker) 0%,var(--dark) 100%);color:#fff;padding:24px 0;position:fixed;height:100vh;overflow-y:auto;z-index:100}.sidebar-header{padding:0 24px 24px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:24px}.sidebar-logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}.sidebar-logo-icon{width:44px;height:44px;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px}.sidebar-logo-text{font-size:20px;font-weight:700}.sidebar-nav{padding:0 12px}.nav-item{display:flex;align-items:center;gap:14px;padding:14px 16px;color:#ffffffb3;text-decoration:none;border-radius:12px;margin-bottom:4px;transition:all .2s ease;font-size:15px;font-weight:500}.nav-item:hover{background:#ffffff1a;color:#fff}.nav-item.active{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;box-shadow:0 4px 15px #6366f14d}.nav-icon{font-size:20px;width:24px;text-align:center}.admin-main{flex:1;margin-left:280px;padding:32px}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.page-title{font-size:28px;font-weight:700;color:var(--dark)}.card{background:#fff;border-radius:16px;padding:24px;box-shadow:var(--shadow);border:1px solid var(--gray-light)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--gray-light)}.card-title{font-size:18px;font-weight:600;color:var(--dark)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-bottom:32px}.stat-card{background:#fff;border-radius:16px;padding:24px;box-shadow:var(--shadow);border:1px solid var(--gray-light);display:flex;align-items:center;gap:20px}.stat-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px}.stat-icon.primary{background:linear-gradient(135deg,#6366f11a,#6366f133);color:var(--primary)}.stat-icon.success{background:linear-gradient(135deg,#10b9811a,#10b98133);color:var(--success)}.stat-icon.warning{background:linear-gradient(135deg,#f59e0b1a,#f59e0b33);color:var(--warning)}.stat-icon.danger{background:linear-gradient(135deg,#ef44441a,#ef444433);color:var(--danger)}.stat-content h3{font-size:28px;font-weight:700;color:var(--dark);line-height:1}.stat-content p{font-size:14px;color:var(--gray);margin-top:4px}.table-container{overflow-x:auto}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:14px 16px;font-size:13px;font-weight:600;color:var(--gray);text-transform:uppercase;letter-spacing:.5px;background:var(--light);border-bottom:2px solid var(--gray-light)}.data-table td{padding:16px;border-bottom:1px solid var(--gray-light);color:var(--dark);font-size:14px}.data-table tr:hover{background:var(--light)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;border-radius:10px;border:none;cursor:pointer;transition:all .2s ease}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;box-shadow:0 4px 15px #6366f14d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #6366f166}.btn-secondary{background:var(--gray-light);color:var(--dark)}.btn-success{background:linear-gradient(135deg,var(--success) 0%,#059669 100%);color:#fff}.btn-danger{background:linear-gradient(135deg,var(--danger) 0%,#dc2626 100%);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.badge{display:inline-flex;align-items:center;padding:4px 10px;font-size:12px;font-weight:600;border-radius:20px}.badge-success{background:#10b9811a;color:var(--success)}.badge-warning{background:#f59e0b1a;color:var(--warning)}.badge-danger{background:#ef44441a;color:var(--danger)}.badge-primary{background:#6366f11a;color:var(--primary)}.page-loading{display:flex;align-items:center;justify-content:center;min-height:400px;font-size:16px;color:var(--gray)}@media (max-width: 1024px){.admin-sidebar{width:240px}.admin-main{margin-left:240px}}@media (max-width: 768px){.admin-sidebar{transform:translate(-100%)}.admin-main{margin-left:0}.stats-grid{grid-template-columns:1fr}}