:root{--primary-color: #FF6B6B;--secondary-color: #4ECDC4;--accent-color: #FFE66D;--dark-color: #2C3E50;--light-color: #ECF0F1;--success-color: #2ECC71;--warning-color: #F39C12;--danger-color: #E74C3C;--text-color: #34495E;--border-color: #BDC3C7;--shadow: 0 2px 10px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 20px rgba(0, 0, 0, .15)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#f5f7fa;color:var(--text-color);line-height:1.6}.container{max-width:1400px;margin:0 auto;padding:0 20px}.dashboard-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:#fff;box-shadow:var(--shadow);position:fixed;height:100vh;overflow-y:auto;z-index:100}.sidebar-header{padding:20px;border-bottom:1px solid var(--border-color)}.logo{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:700;color:var(--primary-color)}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px}.sidebar-nav{padding:10px 0}.nav-section{margin-bottom:20px}.nav-section-title{padding:8px 20px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:#95a5a6;margin-bottom:5px}.nav-item{padding:12px 20px;display:flex;align-items:center;gap:12px;color:var(--text-color);text-decoration:none;transition:all .3s;cursor:pointer;font-size:14px}.nav-item i{width:20px;text-align:center;font-size:16px}.nav-item:hover,.nav-item.active{background:linear-gradient(90deg,rgba(255,107,107,.1),transparent);border-left:3px solid var(--primary-color);color:var(--primary-color)}.nav-item i{font-size:18px;width:20px}.main-content{flex:1;margin-left:260px;padding:20px}.header{background:#fff;padding:20px 30px;border-radius:10px;box-shadow:var(--shadow);margin-bottom:30px;display:flex;justify-content:space-between;align-items:center}.header-title h1{font-size:28px;color:var(--dark-color);margin-bottom:5px}.header-title p{color:#7f8c8d;font-size:14px}.header-actions{display:flex;gap:15px;align-items:center}.card{background:#fff;border-radius:10px;box-shadow:var(--shadow);padding:20px;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:18px;font-weight:600;color:var(--dark-color)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:30px}.stat-card{background:#fff;border-radius:10px;padding:25px;box-shadow:var(--shadow);display:flex;align-items:center;gap:20px;transition:transform .3s}.stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.stat-icon{width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff}.stat-icon.primary{background:linear-gradient(135deg,var(--primary-color),#FF8E8E)}.stat-icon.secondary{background:linear-gradient(135deg,var(--secondary-color),#6FE0D8)}.stat-icon.success{background:linear-gradient(135deg,var(--success-color),#58D68D)}.stat-icon.warning{background:linear-gradient(135deg,var(--warning-color),#F5B041)}.stat-info h3{font-size:28px;font-weight:700;color:var(--dark-color);margin-bottom:5px}.stat-info p{color:#7f8c8d;font-size:14px}.btn{padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s;display:inline-flex;align-items:center;gap:8px;text-decoration:none}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:#ff5252;transform:translateY(-2px);box-shadow:0 4px 12px #ff6b6b4d}.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:2px solid var(--primary-color);color:var(--primary-color)}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-weight:500;color:var(--dark-color)}.form-control{width:100%;padding:12px 15px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;transition:all .3s}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #ff6b6b1a}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}thead{background:#f8f9fa}th{padding:15px;text-align:left;font-weight:600;color:var(--dark-color);border-bottom:2px solid var(--border-color)}td{padding:15px;border-bottom:1px solid var(--border-color)}tr:hover{background:#f8f9fa}.badge{padding:5px 12px;border-radius:20px;font-size:12px;font-weight:500;display:inline-block}.badge-success{background:#d5f5e3;color:var(--success-color)}.badge-warning{background:#fcf3cf;color:var(--warning-color)}.badge-danger{background:#fadbd8;color:var(--danger-color)}.badge-primary{background:#fadbd8;color:var(--primary-color)}.text-center{text-align:center}.text-right{text-align:right}.mt-20{margin-top:20px}.mb-20{margin-bottom:20px}.hidden{display:none}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0}.stats-grid{grid-template-columns:1fr}}