:root{--primary-blue: #0077F0;--primary-cyan: #00C4C8;--deep-navy: #0D1D3A;--brand-gradient: linear-gradient(135deg, #0077F0 0%, #00C4C8 100%);--bg-primary: #F5F7FA;--bg-secondary: #FFFFFF;--text-primary: #0D1D3A;--text-secondary: #475066;--text-tertiary: #8A94A8;--divider: #E1E6EE;--border-color: #E1E6EE;--shadow-soft: rgba(0, 0, 0, .06);--shadow-medium: rgba(0, 0, 0, .12);--success: #27C380;--success-bg: #E5F9F2;--warning: #FF9D3B;--warning-bg: #FFF5E6;--error: #FF5A5A;--error-bg: #FFEDEB;--info: #3FA8FF;--info-bg: #E8F4FF}*{box-sizing:border-box;padding:0;margin:0}html,body{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:var(--bg-primary);min-height:100vh;margin:0}a{color:inherit;text-decoration:none}#root{min-height:100vh}.admin-layout{display:flex;min-height:100vh;background:var(--bg-primary)}.admin-sidebar{width:240px;background:var(--bg-secondary);border-right:1px solid var(--divider);display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;overflow-y:auto;z-index:100}.admin-sidebar-header{padding:20px;border-bottom:1px solid var(--divider);display:flex;align-items:center;gap:12px}.admin-sidebar-logo{width:40px;height:40px;background:var(--brand-gradient);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:18px}.admin-sidebar-title{font-size:16px;font-weight:600;color:var(--deep-navy)}.admin-sidebar-menu{flex:1;padding:12px 0}.admin-menu-group{margin-bottom:16px}.admin-menu-group:last-child{margin-bottom:0}.admin-menu-group-title{padding:8px 20px;font-size:12px;font-weight:600;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.admin-menu-item{display:flex;align-items:center;padding:12px 20px;color:var(--text-secondary);font-size:14px;transition:all .15s ease;cursor:pointer;border-left:3px solid transparent}.admin-menu-item:hover{background:var(--bg-primary);color:var(--primary-blue)}.admin-menu-item.active{background:#0077f014;color:var(--primary-blue);border-left-color:var(--primary-blue);font-weight:500}.admin-main{flex:1;margin-left:240px;display:flex;flex-direction:column;min-height:100vh}.admin-header{background:var(--bg-secondary);border-bottom:1px solid var(--divider);padding:16px 24px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:10}.admin-header-user{display:flex;align-items:center;gap:12px}.admin-header-user-info{display:flex;flex-direction:column;align-items:flex-end}.admin-header-user-name{font-size:14px;font-weight:500;color:var(--text-primary)}.admin-header-user-email{font-size:12px;color:var(--text-tertiary)}.admin-content{flex:1;padding:24px;overflow-y:auto}.container{max-width:100%;background:var(--bg-secondary);border-radius:12px;padding:24px}.header{margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--divider)}.header h1{color:var(--deep-navy);font-size:1.5rem;font-weight:600;margin-bottom:4px}.header p{color:var(--text-tertiary);font-size:14px}.nav{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap;align-items:center}.nav button,.nav a{padding:8px 16px;background:var(--bg-primary);color:var(--text-secondary);border:1px solid var(--divider);border-radius:8px;cursor:pointer;font-size:13px;font-weight:500;transition:all .15s ease;text-decoration:none;display:inline-flex;align-items:center;gap:6px}.nav button:hover,.nav a:hover{background:var(--primary-blue);color:#fff;border-color:var(--primary-blue)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;background:var(--primary-blue);color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:all .15s ease;white-space:nowrap}.btn:hover{background:#0066d6;transform:translateY(-1px)}.btn:active{transform:scale(.98)}.btn:disabled{background:var(--text-tertiary);cursor:not-allowed;transform:none}.btn-primary{background:var(--brand-gradient);box-shadow:0 2px 8px #0077f033}.btn-secondary{background:var(--bg-primary);color:var(--text-secondary);border:1px solid var(--divider)}.btn-secondary:hover{background:var(--primary-blue);color:#fff;border-color:var(--primary-blue)}.btn-danger{background:var(--error)}.btn-danger:hover{background:#e54545}.btn-sm{padding:6px 12px;font-size:13px;border-radius:6px}.btn-full{width:100%}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;color:var(--text-secondary);font-weight:500;font-size:13px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--divider);border-radius:8px;font-size:14px;transition:all .15s ease;background:var(--bg-secondary)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-blue);box-shadow:0 0 0 3px #0077f01a}.form-group input::placeholder{color:var(--text-tertiary)}.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}.alert-success{background:var(--success-bg);color:var(--success)}.alert-error{background:var(--error-bg);color:var(--error)}.alert-info{background:var(--info-bg);color:var(--info)}.alert-warning{background:var(--warning-bg);color:var(--warning)}.card{background:var(--bg-secondary);border:1px solid var(--divider);border-radius:12px;padding:20px;margin-bottom:16px}.card h3{color:var(--deep-navy);margin-bottom:16px;font-size:15px;font-weight:600}.card h4{color:var(--text-primary);margin-bottom:8px;font-size:14px;font-weight:600}.card p{color:var(--text-tertiary);font-size:13px;line-height:1.5}.user-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.user-info-item{padding:12px;background:var(--bg-primary);border-radius:8px}.user-info-item label{display:block;font-size:11px;color:var(--text-tertiary);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.user-info-item>div:last-child{font-size:14px;color:var(--text-primary);font-weight:500}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.grid .card{margin-bottom:0}.status-tag{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:6px;font-size:12px;font-weight:500}.status-tag.success{background:var(--success-bg);color:var(--success)}.status-tag.warning{background:var(--warning-bg);color:var(--warning)}.status-tag.error{background:var(--error-bg);color:var(--error)}.status-tag.info{background:var(--info-bg);color:var(--info)}.list-item{padding:14px;border:1px solid var(--divider);border-radius:10px;background:var(--bg-secondary);transition:all .15s ease}.list-item:hover{border-color:var(--primary-blue);box-shadow:0 2px 8px var(--shadow-soft)}.list-item h4{color:var(--deep-navy);font-size:14px;font-weight:600;margin-bottom:8px}.btn-group{display:flex;gap:8px;flex-wrap:wrap}.pagination{display:flex;gap:8px;justify-content:center;align-items:center;margin-top:20px}.pagination span{color:var(--text-secondary);font-size:13px}table{width:100%;border-collapse:collapse;font-size:13px}table th{padding:10px 12px;text-align:left;background:var(--bg-primary);color:var(--text-secondary);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px;border-bottom:1px solid var(--divider)}table td{padding:10px 12px;border-bottom:1px solid var(--divider);color:var(--text-primary)}table tr:last-child td{border-bottom:none}table tr:hover td{background:var(--bg-primary)}.loading{text-align:center;padding:48px 32px;color:var(--text-tertiary);font-size:14px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--brand-gradient)}.login-card{width:100%;max-width:380px;background:var(--bg-secondary);border-radius:20px;padding:40px 36px;box-shadow:0 25px 80px #00000026}.login-header{text-align:center;margin-bottom:32px}.login-logo{width:56px;height:56px;background:var(--brand-gradient);border-radius:14px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:28px;color:#fff;box-shadow:0 6px 20px #0077f040}.login-header h1{font-size:24px;font-weight:600;color:var(--deep-navy);margin-bottom:4px}.login-header p{font-size:14px;color:var(--text-tertiary)}.login-form .form-group{margin-bottom:20px}.login-form .form-group input{padding:12px 16px;font-size:14px;border-radius:10px;background:var(--bg-primary)}.login-form .form-group input:focus{background:var(--bg-secondary)}.login-btn{width:100%;padding:14px 20px;font-size:15px;font-weight:600;border-radius:10px;background:var(--brand-gradient);box-shadow:0 4px 12px #0077f033}.login-btn:hover{box-shadow:0 6px 16px #0077f04d}.login-page .alert{margin-bottom:20px}@media (max-width: 768px){.admin-sidebar{transform:translate(-100%);transition:transform .3s ease}.admin-sidebar.open{transform:translate(0)}.admin-main{margin-left:0}.admin-content{padding:16px}.container{padding:16px;border-radius:8px}.header h1{font-size:1.25rem}.grid,.user-info{grid-template-columns:1fr}}