:root{--bg-main: #0f172a;--bg-panel: #1e293b;--bg-input: #334155;--border-color: #475569;--text-main: #f8fafc;--text-muted: #94a3b8;--primary: #3b82f6;--primary-hover: #2563eb;--accent: #10b981;--accent-hover: #059669;--warning: #f59e0b;--error: #ef4444;--purple: #8b5cf6;--purple-hover: #7c3aed;--font-sans: "Inter", sans-serif;--font-logo: "Outfit", sans-serif;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -2px rgba(0, 0, 0, .05)}*{margin:0;padding:0;box-sizing:border-box}body{background-color:var(--bg-main);color:var(--text-main);font-family:var(--font-sans);line-height:1.5;-webkit-font-smoothing:antialiased}.app-container{display:flex;flex-direction:column;min-height:100vh;padding:20px;max-width:1600px;margin:0 auto}.app-header{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;background-color:var(--bg-panel);border-radius:12px;margin-bottom:15px;border:1px solid var(--border-color);box-shadow:var(--shadow)}.header-logo{display:flex;align-items:center;gap:15px}.logo-icon{font-size:2.2rem}.logo-text h1{font-family:var(--font-logo);font-size:1.6rem;font-weight:800}.accent-text{color:var(--accent)}.logo-text p{color:var(--text-muted);font-size:.85rem}.header-actions{display:flex;align-items:center;gap:15px}.app-nav{display:flex;gap:10px;margin-bottom:15px}.nav-tab{padding:10px 20px;border:1px solid var(--border-color);background-color:var(--bg-panel);color:var(--text-muted);border-radius:8px;cursor:pointer;font-family:var(--font-sans);font-weight:500;transition:all .2s ease}.nav-tab.active{background-color:var(--primary);color:#fff;border-color:var(--primary)}.nav-tab:hover:not(.active):not(.disabled){background-color:var(--bg-input);color:var(--text-main)}.nav-tab.disabled{opacity:.5;cursor:not-allowed}.workspace-grid{display:flex;flex-direction:column;gap:20px;max-width:1400px;margin:0 auto;width:100%}.panel-chat{width:100%}.panel-chat .chat-container{height:320px}.panel-project{width:100%}.panel-body-project{display:grid;grid-template-columns:1fr 1fr;gap:25px;padding:20px}@media (max-width: 900px){.panel-body-project{grid-template-columns:1fr}}.project-params-col,.project-addons-col{display:flex;flex-direction:column;gap:15px}.floor-params-config{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}@media (max-width: 900px){.floor-params-config{grid-template-columns:1fr}}.floor-lab-chart{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}@media (max-width: 900px){.floor-lab-chart{grid-template-columns:1fr}}.panel-additives-body{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:start}@media (max-width: 900px){.panel-additives-body{grid-template-columns:1fr}}.panel-quality-body{display:grid;grid-template-columns:1fr 1.2fr;gap:15px;align-items:start}@media (max-width: 900px){.panel-quality-body{grid-template-columns:1fr}}.panel-quality-control-unified{grid-column:span 2}@media (max-width: 768px){.panel-quality-control-unified{grid-column:span 1}}.left-stack{display:flex;flex-direction:column;gap:20px}.panel{background-color:var(--bg-panel);border-radius:12px;border:1px solid var(--border-color);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.panel-header{display:flex;align-items:center;gap:10px;padding:15px 20px;border-bottom:1px solid var(--border-color);background-color:#ffffff05}.panel-header h2{font-family:var(--font-logo);font-size:1.15rem;font-weight:600}.panel-body{padding:20px;display:flex;flex-direction:column;gap:15px}.btn{padding:8px 16px;border-radius:6px;border:none;font-weight:500;cursor:pointer;font-family:var(--font-sans);transition:all .2s ease;display:inline-flex;align-items:center;gap:8px}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--bg-input);color:var(--text-main);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--border-color)}.btn-text{background:none;color:var(--primary);padding:4px 8px}.btn-text:hover{text-decoration:underline}.btn-xs{font-size:.75rem;padding:4px 8px;border-radius:4px}.btn-danger-xs{background-color:#ef444426;color:var(--error);border:1px solid rgba(239,68,68,.3);font-size:.75rem;padding:3px 6px;border-radius:4px}.btn-danger-xs:hover{background-color:var(--error);color:#fff}.form-group{display:flex;flex-direction:column;gap:6px}.form-group-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}label{font-size:.8rem;font-weight:500;color:var(--text-muted)}.form-select,.form-input{background-color:var(--bg-input);border:1px solid var(--border-color);color:var(--text-main);padding:8px 12px;border-radius:6px;font-family:var(--font-sans);font-size:.9rem;outline:none;transition:border-color .2s ease}.form-select:focus,.form-input:focus{border-color:var(--primary)}.form-range{width:100%;accent-color:var(--primary)}.range-container{display:flex;align-items:center;gap:10px}.range-value{font-weight:600;color:var(--text-main);font-size:.9rem;min-width:45px}.data-table-wrapper,.sieve-table-wrapper,.materials-table-wrapper{width:100%;overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:.85rem}.data-table th,.data-table td{padding:6px 10px;border-bottom:1px solid var(--border-color);text-align:left}.data-table th{color:var(--text-muted);font-weight:500;background-color:#ffffff03}.small-table td{padding:4px 6px}.table-input{width:100%;background-color:#0003;border:1px solid var(--border-color);color:var(--text-main);padding:4px 6px;border-radius:4px;font-family:var(--font-sans);font-size:.85rem;outline:none;text-align:right}.table-input:focus{border-color:var(--primary)}.text-muted{color:var(--text-muted)}.collapsible-section{border:1px solid var(--border-color);border-radius:8px;overflow:hidden}.section-trigger{padding:10px 15px;background-color:#ffffff05;cursor:pointer;font-weight:500;font-size:.85rem;display:flex;justify-content:space-between;align-items:center;-webkit-user-select:none;user-select:none}.section-trigger:hover{background-color:#ffffff0a}.section-trigger .arrow{font-size:.7rem;transition:transform .2s ease}.collapsible-section.collapsed .section-content{display:none}.collapsible-section:not(.collapsed) .section-trigger .arrow{transform:rotate(180deg)}.section-content{padding:15px;border-top:1px solid var(--border-color);background-color:#00000026}.section-title-with-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.section-title-with-actions h3{font-size:.9rem;font-weight:600;color:var(--text-muted)}.additives-list{display:flex;flex-direction:column;gap:8px}.additive-item{display:flex;flex-direction:column;gap:8px;background-color:#ffffff05;padding:10px;border-radius:8px;border:1px solid var(--border-color)}.additive-item .form-input,.additive-item select.add-select-in{padding:6px 8px;font-size:.8rem;height:32px;width:100%;box-sizing:border-box;background-color:var(--bg-input);border:1px solid var(--border-color);color:var(--text-main);border-radius:4px}.additive-item .btn-del-add{height:32px;padding:0 8px;display:flex;align-items:center;justify-content:center}.chart-panel-body{padding:10px}.chart-container{position:relative;width:100%;height:320px}.panel-chat{flex-grow:1}.panel-header-title{display:flex;align-items:center;gap:8px;flex-grow:1}.typing-indicator{font-size:.75rem;color:var(--purple);background-color:#8b5cf61a;padding:2px 6px;border-radius:4px;animation:pulse 1.5s infinite}.typing-indicator.hidden{display:none}.chat-panel-body{padding:15px}.chat-container{display:flex;flex-direction:column;height:380px;gap:12px}.chat-messages{flex-grow:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding-right:5px}.chat-bubble{padding:10px 14px;border-radius:12px;max-width:85%;font-size:.85rem}.chat-bubble p{margin-bottom:6px}.chat-bubble p:last-child{margin-bottom:0}.chat-bubble.ai{background-color:var(--bg-input);border-bottom-left-radius:2px;border:1px solid var(--border-color);align-self:flex-start}.chat-bubble.user{background-color:var(--purple);color:#fff;border-bottom-right-radius:2px;align-self:flex-end}.chat-quick-prompts{display:flex;gap:6px;overflow-x:auto;padding-bottom:5px}.quick-prompt-btn{background-color:#ffffff08;border:1px solid var(--border-color);color:var(--text-muted);padding:4px 10px;border-radius:20px;font-size:.75rem;cursor:pointer;white-space:nowrap;transition:all .2s 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h3{font-size:.9rem;font-weight:600;color:var(--text-muted);margin-bottom:8px}.additives-results-grid{display:flex;flex-direction:column;gap:8px}.additive-res-card{background-color:#0000001a;border:1px solid var(--border-color);border-radius:6px;padding:10px;display:flex;justify-content:space-between;align-items:center}.add-name{font-size:.8rem;font-weight:600}.add-val-ml{font-size:1.1rem;font-weight:700;color:var(--accent)}.add-val-g{font-size:.75rem;color:var(--text-muted)}.quality-indicators-section{border-top:1px solid var(--border-color);padding-top:15px;display:flex;flex-direction:column;gap:12px}.quality-indicators-section h3{font-size:.9rem;font-weight:600;color:var(--text-muted)}.indicator-row{display:flex;justify-content:space-between;align-items:center;font-size:.85rem}.indicator-value-group{display:flex;align-items:center;gap:8px}.indicator-value{font-weight:700;font-size:1.1rem}.badge{padding:2px 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#007aff4d}.sub-tab-content{display:none}.sub-tab-content.active{display:block}.login-wrapper{position:fixed;top:0;left:0;width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e1b4b);z-index:9999;overflow:hidden;font-family:Inter,sans-serif}.login-bg-shapes{position:absolute;width:100%;height:100%;top:0;left:0;pointer-events:none;z-index:1}.login-bg-shapes .shape{position:absolute;border-radius:50%;filter:blur(120px);opacity:.15;animation:floatShape 20s infinite ease-in-out alternate}.login-bg-shapes .shape-1{width:400px;height:400px;background:var(--accent);top:-100px;right:-100px}.login-bg-shapes .shape-2{width:500px;height:500px;background:#6366f1;bottom:-150px;left:-150px;animation-delay:-5s}@keyframes floatShape{0%{transform:translate(0) scale(1)}to{transform:translate(80px,50px) scale(1.1)}}.login-card{position:relative;z-index:2;width:100%;max-width:430px;padding:35px;border-radius:16px;background:#1e293ba6;border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 20px 40px #00000059;display:flex;flex-direction:column;gap:20px;animation:cardEnter .6s cubic-bezier(.16,1,.3,1) forwards}@keyframes cardEnter{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.login-header{text-align:center}.login-logo-icon{font-size:2.8rem;margin-bottom:10px;filter:drop-shadow(0 0 10px rgba(139,92,246,.5))}.login-header h2{font-family:Outfit,sans-serif;font-size:1.8rem;font-weight:800;margin:5px 0;color:var(--text)}.login-header p{font-size:.78rem;color:var(--text-muted);line-height:1.4}.login-form h3{font-family:Outfit,sans-serif;font-size:1.15rem;font-weight:600;margin-bottom:18px;color:var(--text)}.form-group-floating{position:relative;margin-bottom:16px;width:100%}.form-group-floating input{width:100%;height:46px;padding:10px 14px;font-size:.88rem;border-radius:8px;background:#0f172a99;border:1px solid rgba(255,255,255,.1);color:var(--text);outline:none;transition:all .25s ease;box-sizing:border-box}.form-group-floating label{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:.85rem;color:var(--text-muted);pointer-events:none;transition:all .25s ease;background:transparent}.form-group-floating input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #8b5cf633}.form-group-floating input:focus~label,.form-group-floating input:not(:placeholder-shown)~label{top:0;left:10px;transform:translateY(-50%) scale(.85);background:#1e293b;padding:0 6px;color:var(--accent);font-weight:600;border-radius:4px}.demo-credentials{font-size:.72rem;color:var(--text-muted);background:#8b5cf614;border:1px dashed rgba(139,92,246,.3);padding:10px 12px;border-radius:6px;text-align:center;line-height:1.4}.demo-credentials code{background:#ffffff0d;color:var(--accent);padding:1px 4px;border-radius:3px;font-family:monospace}.btn-google:hover{background:#f3f4f6!important;box-shadow:0 4px 12px #00000026;transform:translateY(-1px)}.dropdown-manuales{position:relative;display:inline-block}.dropdown-menu-manuales{display:none;position:absolute;right:0;top:100%;background-color:var(--bg-panel);min-width:210px;box-shadow:var(--shadow-lg);border-radius:8px;border:1px solid var(--border-color);z-index:1000;margin-top:5px;overflow:hidden;animation:fadeInDropdown .2s ease}.dropdown-manuales:hover .dropdown-menu-manuales{display:block}.dropdown-item-manuales{color:var(--text-main);padding:10px 15px;text-decoration:none;display:flex;align-items:center;gap:8px;font-size:.85rem;transition:background-color .2s,color .2s;cursor:pointer;border-bottom:1px solid rgba(255,255,255,.03)}.dropdown-item-manuales:last-child{border-bottom:none}.dropdown-item-manuales:hover{background-color:var(--bg-input);color:var(--accent)}@keyframes fadeInDropdown{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}