.container{max-width:1400px;margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:500;border:1px solid transparent;transition:all .15s ease}.btn-primary{background:#111;color:#fff}.btn-primary:hover{background:#000}.btn-secondary{background:#fff;color:#111;border-color:#e5e5e5}.btn-secondary:hover{background:#f7f7f7}.btn-danger{background:#dc2626;color:#fff}.btn-danger:hover{background:#b91c1c}.btn-success{background:#059669;color:#fff}.btn-success:hover{background:#047857}.btn-sm{padding:6px 12px;font-size:13px}.btn-link{background:none;border:none;padding:4px 8px;color:#111;font-size:13px}.btn-link:hover{text-decoration:underline}.btn-link-danger{color:#dc2626}.card{background:#fff;border:1px solid #e5e5e5;border-radius:12px;padding:24px}.form-group{margin-bottom:16px}.form-label{display:block;margin-bottom:6px;font-size:14px;font-weight:500;color:#111}.form-input,.form-select,.form-textarea{width:100%;padding:10px 12px;background:#f7f7f7;border:1px solid #e5e5e5;border-radius:8px;font-size:14px;transition:border-color .15s,box-shadow .15s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:#111;box-shadow:0 0 0 3px #11111114}.form-textarea{min-height:80px;resize:vertical}.form-error{color:#dc2626;font-size:13px;margin-top:4px}.row{display:flex;gap:16px}.col{flex:1}.col-2{flex:2}.col-3{flex:3}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-title{font-size:24px;font-weight:700;letter-spacing:-.02em;color:#111}.page-actions{display:flex;gap:12px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid #ebebeb;font-size:14px}.table th{font-weight:600;color:#555;background:#fafafa}.table tr:hover td{background:#fafafa}.table-actions{display:flex;gap:8px}.badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:500}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:#dbeafe;color:#1e40af}.badge-default{background:#f0f0f0;color:#555}.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.search-input{position:relative}.search-input input{padding-left:36px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#fff;padding:24px}.auth-card{width:100%;max-width:380px}.auth-title{font-size:22px;font-weight:600;letter-spacing:-.02em;margin-bottom:6px;color:#111}.auth-subtitle{font-size:14px;color:#999;margin-bottom:32px}.auth-footer{text-align:center;margin-top:28px;font-size:13px;color:#999}.auth-footer a{color:#111;font-weight:500;text-decoration:none}.auth-footer a:hover{text-decoration:underline}.sidebar-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:#fff;border-right:1px solid #e5e5e5;padding:20px 0;flex-shrink:0}.sidebar-brand{padding:0 20px 24px;border-bottom:1px solid #e5e5e5;margin-bottom:12px}.sidebar-brand h1{font-size:18px;font-weight:700;color:#111}.sidebar-brand p{font-size:12px;color:#999;margin-top:4px}.sidebar-nav{list-style:none}.sidebar-nav li a{display:flex;align-items:center;padding:10px 20px;color:#6b7280;font-size:14px;font-weight:500;transition:background .15s,color .15s}.sidebar-nav li a:hover,.sidebar-nav li a.active{color:#111;background:#f7f7f7}.sidebar-nav li a .icon{margin-right:12px;width:18px;text-align:center}.main-content{flex:1;padding:28px}.topbar{display:flex;align-items:center;justify-content:flex-end;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid #e5e5e5}.user-menu{display:flex;align-items:center;gap:12px}.user-avatar{width:36px;height:36px;border-radius:50%;background:#111;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px}.user-info{font-size:14px}.user-info .name{font-weight:500;color:#111}.user-info .email{font-size:12px;color:#999}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:#fff;border:1px solid #e5e5e5;border-radius:12px;padding:20px}.stat-label{font-size:13px;color:#888;margin-bottom:8px}.stat-value{font-size:28px;font-weight:700;letter-spacing:-.02em;color:#111}.stat-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:12px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:24px;z-index:50}.modal{background:#fff;border:1px solid #e5e5e5;border-radius:12px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto}.modal-header{padding:20px 24px;border-bottom:1px solid #e5e5e5;display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:18px;font-weight:600;color:#111}.modal-close{background:none;border:none;font-size:24px;color:#888}.modal-close:hover{color:#111}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid #e5e5e5;display:flex;justify-content:flex-end;gap:12px}.factura-item-row{display:grid;grid-template-columns:3fr 1fr 1fr 1fr 1fr 1fr 40px;gap:12px;align-items:end;margin-bottom:12px}.spinner{display:inline-block;width:20px;height:20px;border:2px solid #e5e5e5;border-top-color:#111;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tabs{display:flex;gap:8px;margin-bottom:20px;border-bottom:1px solid #e5e5e5}.tab{padding:10px 18px;font-size:14px;font-weight:500;color:#888;background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-1px}.tab.active{color:#111;border-bottom-color:#111}.empty-state{text-align:center;padding:60px 20px}.empty-state h3{font-size:18px;margin-bottom:8px;color:#111}.empty-state p{color:#888;margin-bottom:20px}