:root{--primary: #1a1a2e;--primary-light: #16213e;--accent: #0f3460;--green: #389e0d;--green-bg: #f0fff4;--green-border: #b7eb8f;--red: #c00;--red-bg: #fff0f0;--gray-50: #fafafa;--gray-100: #f5f5f5;--gray-200: #eee;--gray-300: #ddd;--gray-400: #ccc;--gray-500: #999;--gray-600: #888;--gray-700: #666;--gray-800: #333;--white: #fff;--sidebar-width: 260px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 10px;--radius-xl: 12px;--shadow-sm: 0 1px 4px rgba(0,0,0,.06);--shadow-lg: 0 20px 60px rgba(0,0,0,.3);--font-base: 14px}*,*:before,*:after{box-sizing:border-box}.app-layout{display:flex;min-height:100vh;background:var(--gray-100)}.app-sidebar{width:var(--sidebar-width);background:var(--primary);color:var(--white);position:fixed;top:0;left:0;height:100vh;display:flex;flex-direction:column;z-index:200;transition:transform .3s ease}.app-main{flex:1;margin-left:var(--sidebar-width);padding:24px;max-width:calc(100vw - var(--sidebar-width));transition:margin-left .3s ease,max-width .3s ease}.hamburger-btn{display:none;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--gray-300);border-radius:var(--radius-md);background:var(--white);cursor:pointer;font-size:18px;color:var(--primary);flex-shrink:0;transition:background .2s;-webkit-tap-highlight-color:transparent}.hamburger-btn:hover{background:var(--gray-50)}.hamburger-btn:active{background:var(--gray-200)}.sidebar-close-btn{display:none;position:absolute;top:12px;right:12px;width:36px;height:36px;border:none;border-radius:var(--radius-sm);background:#ffffff1a;color:var(--white);font-size:18px;cursor:pointer;align-items:center;justify-content:center}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:150}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px}.page-header 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10px;cursor:pointer;font-size:13px;min-height:unset}.btn-icon-edit{background:var(--gray-50)}.btn-icon-delete{background:var(--red-bg);color:var(--red)}.btn-icon-file{background:#e8f4fd;color:#1a73e8;text-decoration:none}.btn-icon-download{background:var(--gray-200);color:var(--gray-800);text-decoration:none}.card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.responsive-table{overflow-x:auto;-webkit-overflow-scrolling:touch}.responsive-table table{width:100%;border-collapse:collapse;font-size:14px}.responsive-table th{padding:12px 14px;text-align:left;font-size:12px;font-weight:600;color:var(--gray-600);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;-webkit-user-select:none;user-select:none;background:var(--gray-50);border-bottom:2px solid var(--gray-200)}.responsive-table th.sortable{cursor:pointer}.responsive-table td{padding:12px 14px;border-bottom:1px solid #f0f0f0}.responsive-table tr:last-child td{border-bottom:none}.filters-container{background:var(--white);border-radius:var(--radius-lg);padding:16px;margin-bottom:16px;box-shadow:var(--shadow-sm);display:flex;gap:10px;flex-wrap:wrap;align-items:end}.filter-group{min-width:160px}.filter-group label{display:block;font-size:11px;font-weight:600;color:var(--gray-600);margin-bottom:3px}.filter-input{width:100%;padding:8px 10px;border:1px solid var(--gray-300);border-radius:6px;font-size:13px;background:var(--white);box-sizing:border-box}.totals-bar{background:var(--white);border-radius:var(--radius-lg);padding:14px 20px;margin-bottom:16px;box-shadow:var(--shadow-sm);display:flex;gap:32px;font-size:14px}.totals-bar .total-green{color:var(--green);font-weight:700}.pagination{display:flex;justify-content:center;align-items:center;gap:6px;padding:14px}.page-btn{border:1px solid var(--gray-300);background:var(--white);border-radius:var(--radius-sm);padding:6px 12px;cursor:pointer;font-size:13px;font-weight:500;min-height:36px;min-width:36px;display:inline-flex;align-items:center;justify-content:center}.page-btn:disabled{opacity:.4;cursor:not-allowed}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.modal-content{background:var(--white);border-radius:var(--radius-xl);padding:24px;width:550px;max-width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-content.wide{width:700px}.modal-content.narrow{width:400px}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-header h2{margin:0;font-size:18px}.modal-close{border:none;background:none;font-size:20px;cursor:pointer;padding:4px 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.2s;cursor:pointer;margin-bottom:16px}.dropzone.dragover{border-color:var(--primary);background:#f0f0ff}.dropzone-icon{font-size:36px;margin-bottom:8px}.dropzone-text{color:var(--gray-700);font-size:14px}.archivo-item{display:flex;align-items:center;gap:12px;padding:12px;background:#f9f9f9;border-radius:var(--radius-md);border:1px solid var(--gray-200)}.archivo-preview{width:48px;height:48px;border-radius:6px;overflow:hidden;background:var(--gray-200);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.archivo-preview img{width:100%;height:100%;object-fit:cover}.archivo-info{flex:1;min-width:0}.archivo-nombre{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;color:var(--primary);text-decoration:none}.archivo-nombre:hover{text-decoration:underline}.archivo-meta{display:flex;gap:12px;font-size:12px;color:var(--gray-600)}.archivo-actions{display:flex;gap:4px;flex-shrink:0}.calculos-preview{background:var(--green-bg);border:1px solid var(--green-border);border-radius:var(--radius-md);padding:12px;display:flex;gap:24px;font-size:14px;flex-wrap:wrap}.empty-state{text-align:center;padding:40px;color:var(--gray-500)}@media print{.app-sidebar,.no-print,.hamburger-btn{display:none!important}.app-main{margin-left:0!important;max-width:100%!important;padding:0!important}.responsive-table table{font-size:10px}.responsive-table th{background:#f5f5f5!important;color:#000!important}}@media (max-width: 1024px){.filter-group{min-width:140px}.form-grid{gap:10px}}@media (max-width: 768px){.hamburger-btn,.sidebar-close-btn{display:flex}.app-sidebar{transform:translate(-100%)}.app-sidebar.open{transform:translate(0)}.sidebar-overlay.open{display:block}.app-main{margin-left:0!important;max-width:100%!important;padding:16px!important}.page-header{flex-direction:column;align-items:flex-start!important}.page-header h2{font-size:20px}.page-header .header-actions{width:100%;display:flex;gap:8px}.page-header .header-actions .btn,.page-header .header-actions button{flex:1;justify-content:center}.responsive-table table,.responsive-table thead,.responsive-table tbody,.responsive-table tr,.responsive-table th,.responsive-table td{display:block}.responsive-table thead{display:none}.responsive-table tr{margin-bottom:12px;border:1px solid var(--gray-200);border-radius:var(--radius-md);padding:0;background:var(--white)}.responsive-table td{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid #f0f0f0;gap:8px}.responsive-table td:last-child{border-bottom:none}.responsive-table td:before{content:attr(data-label);font-weight:600;font-size:11px;color:var(--gray-600);text-transform:uppercase;flex-shrink:0;min-width:70px}.responsive-table td:last-child:before{content:attr(data-label)}.filters-container{flex-direction:column;gap:10px}.filter-group{min-width:100%!important}.totals-bar{flex-direction:column;gap:8px}.form-grid{grid-template-columns:1fr!important}.modal-content{width:100%!important;max-width:100%!important;margin:0;border-radius:var(--radius-lg);padding:20px 16px;max-height:85vh}.modal-overlay{padding:8px;align-items:flex-end}.calculos-preview{flex-direction:column;gap:8px}.header-actions{width:100%}.archivo-item{flex-wrap:wrap}.archivo-actions{width:100%;justify-content:flex-end;margin-top:4px}.pagination{flex-wrap:wrap}}@media (max-width: 480px){.app-main{padding:12px!important}.page-header h2{font-size:18px}.modal-content{padding:16px 12px;border-radius:var(--radius-md)}.btn{padding:10px 14px;font-size:13px}.filters-container{padding:12px}.archivo-item{flex-direction:column;align-items:flex-start}.archivo-preview{width:40px;height:40px}.archivo-actions{width:100%;justify-content:flex-start}}