:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--secondary-color: #64748b;--success-color: #10b981;--warning-color: #f59e0b;--danger-color: #ef4444;--bg-color: #f8fafc;--card-bg: #ffffff;--border-color: #e2e8f0;--text-primary: #1e293b;--text-secondary: #64748b;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--radius: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6}.admin-container{display:flex;min-height:100vh}.admin-sidebar{width:260px;background:linear-gradient(180deg,#1e1b4b,#312e81);color:#fff;padding:20px;position:fixed;height:100vh;overflow-y:auto}.admin-sidebar h1{font-size:1.5rem;margin-bottom:30px;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.1)}.admin-sidebar nav ul{list-style:none}.admin-sidebar nav ul li{margin-bottom:8px}.admin-sidebar nav ul li a{display:flex;align-items:center;gap:12px;padding:12px 16px;color:#fffc;text-decoration:none;border-radius:var(--radius);transition:all .2s}.admin-sidebar nav ul li a:hover,.admin-sidebar nav ul li a.active{background:#ffffff1a;color:#fff}.admin-main{flex:1;margin-left:260px;padding:30px}.admin-header{margin-bottom:30px}.admin-header h2{font-size:1.75rem;margin-bottom:8px}.admin-header p{color:var(--text-secondary)}.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:24px;margin-bottom:20px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid var(--border-color)}.card-title{font-size:1.1rem;font-weight:600}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:var(--radius);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--secondary-color);color:#fff}.btn-success{background:var(--success-color);color:#fff}.btn-danger{background:var(--danger-color);color:#fff}.btn-outline{background:transparent;border:1px solid var(--border-color);color:var(--text-primary)}.btn-outline:hover{background:var(--bg-color)}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-primary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--border-color);border-radius:var(--radius);font-size:.875rem;transition:border-color .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e51a}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}table th,table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-color)}table th{background:var(--bg-color);font-weight:600;color:var(--text-secondary);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}table tr:hover{background:var(--bg-color)}.badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:500}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.stat-card{background:var(--card-bg);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}.stat-card h3{font-size:.875rem;color:var(--text-secondary);margin-bottom:8px}.stat-card .value{font-size:2rem;font-weight:700;color:var(--text-primary)}.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:20px}.alert-success{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}.loading{display:flex;justify-content:center;align-items:center;padding:40px}.spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state svg{width:80px;height:80px;margin-bottom:20px;opacity:.5}.file-upload{border:2px dashed var(--border-color);border-radius:var(--radius);padding:40px;text-align:center;cursor:pointer;transition:all .2s}.file-upload:hover{border-color:var(--primary-color);background:#4f46e50d}.file-upload input{display:none}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:16px;margin-top:20px}.image-item{position:relative;aspect-ratio:1;border-radius:var(--radius);overflow:hidden;background:var(--bg-color)}.image-item img{width:100%;height:100%;object-fit:cover}.image-item .overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;justify-content:center;align-items:center;gap:8px;opacity:0;transition:opacity .2s}.image-item:hover .overlay{opacity:1}.diff-table{font-size:.875rem}.diff-table .increased{color:var(--success-color)}.diff-table .decreased{color:var(--danger-color)}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border-color);margin-bottom:20px}.tab{padding:10px 20px;background:none;border:none;color:var(--text-secondary);cursor:pointer;border-bottom:2px solid transparent;transition:all .2s}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background:#fff;border-radius:var(--radius);padding:24px;max-width:600px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary)}.chat-container{background:var(--bg-color);border-radius:var(--radius);padding:20px;height:400px;overflow-y:auto}.chat-message{margin-bottom:16px;display:flex;gap:12px}.chat-message.user{flex-direction:row-reverse}.chat-message .avatar{width:36px;height:36px;border-radius:50%;background:var(--primary-color);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.chat-message .content{background:#fff;padding:12px 16px;border-radius:var(--radius);box-shadow:var(--shadow-sm);max-width:70%}.chat-message.user .content{background:var(--primary-color);color:#fff}.chat-input{display:flex;gap:12px;margin-top:16px}.chat-input input{flex:1}