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rgba(0,0,0,.3)}.recommendations-subtitle{color:#fffc;margin-bottom:25px;font-size:1rem;line-height:1.6}.recommendations-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:20px}.recommendation-item{background:rgba(255,255,255,.95);padding:0;border-radius:15px;box-shadow:0 4px 15px #0003;transition:all .3s ease;border-left:4px solid #4CAF50;overflow:hidden;display:flex;flex-direction:column}.recommendation-item:hover{transform:translateY(-5px);box-shadow:0 8px 25px #0000004d}.recommendation-image{width:100%;height:150px;overflow:hidden;background:rgba(0,0,0,.05);display:flex;align-items:center;justify-content:center}.recommendation-image img{width:100%;height:100%;object-fit:cover}.recommendation-header{display:flex;justify-content:space-between;align-items:flex-start;margin:15px 20px 10px;gap:10px}.recommendation-name{font-size:1.3rem;font-weight:700;color:#000;margin:0;flex:1}.recommendation-category{padding:5px 12px;border-radius:15px;color:#fff;font-size:.8rem;font-weight:700;white-space:nowrap}.recommendation-supplier{color:#666;font-size:.95rem;margin:0 20px 10px}.recommendation-price{display:flex;align-items:baseline;gap:5px;margin:10px 20px}.recommendation-price .price{font-size:1.6rem;font-weight:700;color:#4caf50}.recommendation-price .unit{font-size:1rem;color:#666}.recommendation-match{display:flex;align-items:center;gap:8px;margin:10px 20px;padding:10px;background:rgba(76,175,80,.1);border-radius:10px;color:#4caf50;font-size:.9rem;font-weight:600}.recommendation-footer{display:flex;gap:10px;margin:10px 20px 15px;flex-wrap:wrap}.recommendation-badge{display:flex;align-items:center;gap:5px;padding:5px 10px;background:rgba(255,215,0,.2);border-radius:8px;color:gold;font-size:.85rem;font-weight:600}.recommendation-usage{padding:5px 10px;background:rgba(0,0,0,.05);border-radius:8px;color:#666;font-size:.85rem;font-weight:600}.loading-recommendations{text-align:center;color:gold;padding:20px;font-size:1.1rem;margin-top:20px}.materials-action-section{margin-top:30px;padding-top:25px;border-top:2px solid rgba(255,255,255,.2);text-align:center}.go-to-materials-button{background:linear-gradient(45deg,#4CAF50,#45a049);color:#fff;border:none;padding:18px 35px;border-radius:25px;font-size:1.1rem;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:12px;transition:all .3s ease;box-shadow:0 4px 15px #4caf504d;text-transform:uppercase;letter-spacing:1px}.go-to-materials-button:hover{transform:translateY(-3px);box-shadow:0 6px 20px #4caf5066;background:linear-gradient(45deg,#45a049,#3d8b40)}.materials-hint{color:#ffffffb3;font-size:.95rem;margin-top:15px;font-style:italic}@media (max-width: 768px){.recommendations-grid{grid-template-columns:1fr}}.tutor-layout{display:grid;grid-template-columns:300px 1fr;gap:20px}.tutor-panel{background:#1b1b1b;border:1px solid rgba(255,255,255,.14);border-radius:16px}.tutor-panel--flat{background:transparent;border:none}.tutor-panel__header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.14)}.tutor-title{display:flex;align-items:center;gap:10px;margin:0}.tutor-sidebar{position:sticky;top:90px;height:calc(100vh - 120px);overflow:hidden}.tutor-sidebar__scroller{height:100%;overflow:auto}.tutor-topic{width:100%;text-align:left;padding:12px 16px;background:transparent;border:none;color:#fff;cursor:pointer}.tutor-topic--active{background:rgba(255,255,255,.08)}.tutor-tabs{display:flex;flex-wrap:wrap;gap:8px;padding:12px;border-bottom:1px solid rgba(255,255,255,.12)}.tutor-tab{padding:8px 12px;border:1px solid rgba(255,255,255,.2);border-radius:999px;background:transparent;color:#fff;cursor:pointer}.tutor-tab--active{background:rgba(255,255,255,.12)}.tutor-content{padding:16px}.tutor-card{background:#212121;border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:16px}.tutor-section-title{margin:0 0 8px}.tutor-grid{display:grid;gap:16px}.tutor-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.tutor-chip{background:rgba(255,255,255,.08);color:#fff;padding:6px 10px;border-radius:12px}.tutor-right{display:none}.tutor-chat-list{flex:1;overflow:auto;padding-right:6px}.tutor-button{border:none;border-radius:10px;padding:10px 14px;cursor:pointer}.tutor-button--primary{background:linear-gradient(45deg,#2ecc71,#27ae60);color:#fff}.tutor-button--ghost{background:transparent;border:1px solid rgba(255,255,255,.28);color:#e8e8e8}.tutor-button--primary{box-shadow:0 6px 18px #27ae6059}.dashboard-content,.tutor-card,.tutor-panel{color:#e8e8e8}.summary-label{color:#cfcfcf}.summary-value{color:#fff}.form-input{color:#e8e8e8;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.24)}.upload-label span{color:#e8e8e8}@media (max-width: 1100px){.tutor-layout{grid-template-columns:1fr}.tutor-right{max-height:none}}.tutor-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:80}.tutor-modal{width:min(720px,94vw);background:#1f1f1f;border:1px solid rgba(255,255,255,.12);border-radius:14px;overflow:hidden}.tutor-modal__header{padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between}.tutor-modal__body{padding:16px}.tutor-modal__footer{padding:12px 16px;border-top:1px solid rgba(255,255,255,.12);display:flex;gap:10px;justify-content:flex-end}.tutor-fab{position:fixed;right:22px;bottom:22px;z-index:70;background:linear-gradient(45deg,#4e9af1,#1f6fe5);color:#fff;border:none;border-radius:999px;padding:14px 16px;display:flex;align-items:center;gap:8px;box-shadow:0 10px 24px #1f6fe559;cursor:pointer}.dashboard-container{min-height:100vh;background:linear-gradient(135deg,#627D98 0%,#2C4A6B 100%);padding:20px;font-family:Arial,sans-serif}.dashboard-content{max-width:1200px;margin:0 auto;padding:40px 20px}.dashboard-header{margin-bottom:50px;background:#FFFFFF;border-radius:20px;padding:30px;border:none;box-shadow:0 15px 35px #00000026}.header-content{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;flex-wrap:wrap;gap:20px}.logo-section{display:flex;align-items:center;gap:20px}.logo-icon{width:70px;height:70px;background:linear-gradient(135deg,#353DF0,#00f3ff);border-radius:15px;display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:#fff;box-shadow:0 4px 15px #353df04d}.logo-text{display:flex;flex-direction:column}.dashboard-title{font-size:3.5rem;font-weight:900;color:#0f172a;margin:0;letter-spacing:-1px}.company-tagline{font-size:1.1rem;color:#64748b;margin:5px 0 0;font-weight:500}.header-actions{display:flex;align-items:center;gap:20px}#google_translate_element select,.language-selector,.goog-te-combo{background-color:#8fadf3!important;color:#fff!important;border:2px solid #334155!important;border-radius:12px!important;padding:10px 15px!important;font-weight:700!important;font-size:.95rem!important;cursor:pointer!important;outline:none!important;transition:all .3s ease!important;box-shadow:0 4px 10px #0003!important}#google_translate_element select:hover,.language-selector:hover,.goog-te-combo:hover{background-color:#1e293b!important;border-color:#475569!important;color:#fff!important;transform:translateY(-2px)!important}#google_translate_element select option,.language-selector option,.goog-te-combo option{background-color:#0f172a!important;color:#fff!important;font-weight:600!important}.goog-logo-link{display:none!important}.goog-te-gadget{color:transparent!important}.header-stats{display:flex;justify-content:space-around;gap:20px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);flex-wrap:wrap}.stat-item{display:flex;align-items:center;gap:15px;padding:15px 20px;background:#F0F4F8;border-radius:12px;flex:1;min-width:150px;transition:all .3s ease}.stat-item:hover{background:#E1E8F0;transform:translateY(-2px)}.stat-icon{font-size:2rem;color:#353df0}.stat-content{display:flex;flex-direction:column}.stat-value{font-size:1.8rem;font-weight:800;color:#102a43;line-height:1}.stat-label{font-size:.9rem;color:#627d98;text-transform:uppercase;letter-spacing:1px;margin-top:5px}.services-section{text-align:center;margin-bottom:40px}.section-title{font-size:2.5rem;font-weight:800;color:#fff;margin-bottom:15px}.section-description{font-size:1.1rem;color:#e2e8f0;max-width:700px;margin:0 auto;line-height:1.6}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin-bottom:50px}.dashboard-card{background:#FFFFFF;border-radius:20px;padding:30px;cursor:pointer;transition:all .3s ease;border:1px solid #E2E8F0;box-shadow:0 10px 25px #0000000d;display:flex;align-items:center;gap:20px;position:relative;overflow:hidden}.dashboard-card:before{display:none}.dashboard-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px #0000001a;border-color:#353df0}.dashboard-card.disabled{opacity:.6;cursor:not-allowed}.dashboard-card.disabled:hover{transform:none;box-shadow:0 8px 32px #0000001a}.card-icon{font-size:3rem;color:#353df0;min-width:80px;display:flex;justify-content:center;align-items:center;background:#F0F4F8;border-radius:15px;padding:20px;border:2px solid #E0E7FF}.card-content{flex:1}.card-content h3{font-size:1.5rem;font-weight:700;color:#102a43;margin:0 0 10px}.card-content p{font-size:1rem;color:#627d98;margin:0 0 10px;line-height:1.4}.card-badge{display:inline-block;padding:5px 12px;background:#E0E7FF;border-radius:15px;font-size:.75rem;color:#353df0;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-top:5px}.card-arrow{font-size:1.5rem;color:#353df0;transition:transform .3s ease;min-width:30px;display:flex;justify-content:center;align-items:center}.dashboard-card:hover .card-arrow{transform:translate(5px)}.coming-soon{font-size:.9rem;color:#fff9;font-style:italic}.dashboard-footer{text-align:center;margin-top:50px}.logout-button{background:#0F172A;color:#f1f5f9;border:2px solid #334155;padding:15px 40px;border-radius:25px;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0003;text-transform:uppercase;letter-spacing:1px}.logout-button:hover{transform:translateY(-3px);box-shadow:0 6px 20px #f443364d;background:#1E293B;border-color:#f44336;color:#f44336}.tutor-button{background:#0F172A;color:#f1f5f9;border:2px solid #334155;padding:16px 26px;border-radius:30px;cursor:pointer;font-weight:700;display:flex;align-items:center;gap:10px;font-size:1.15rem;box-shadow:0 4px 15px #0003;transition:all .3s ease}.tutor-button:hover{transform:translateY(-3px);box-shadow:0 6px 20px #2ecc714d;background:#1E293B;border-color:#2ecc71;color:#2ecc71}.info-section{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;margin:50px 0}.info-card{background:#FFFFFF;border-radius:15px;padding:25px;border:1px solid #e2e8f0;box-shadow:0 4px 6px #00000005;transition:all .3s ease;text-align:center}.info-card:hover{transform:translateY(-5px);box-shadow:0 12px 25px #0000000d}.info-icon{font-size:2.5rem;color:#353df0;margin-bottom:15px}.info-card h4{font-size:1.3rem;color:#102a43;margin:0 0 10px;font-weight:700}.info-card p{font-size:.95rem;color:#627d98;line-height:1.6;margin:0}.company-footer{margin-top:60px;padding-top:30px;border-top:1px solid rgba(255,255,255,.2);text-align:center}.footer-text{font-size:1rem;color:#e2e8f0;margin:0 0 10px}.footer-text strong{color:#fff;font-weight:700}.footer-copyright{font-size:.85rem;color:#9fb3c8;margin:0}@media (max-width: 768px){.dashboard-container{padding:10px}.dashboard-content{padding:20px 10px}.dashboard-header{padding:20px}.header-content{flex-direction:column;align-items:flex-start}.logo-section{width:100%}.dashboard-title{font-size:2.5rem}.company-tagline{font-size:.9rem}.header-stats{flex-direction:column}.stat-item{width:100%}.section-title{font-size:2rem}.section-description{font-size:1rem}.dashboard-grid{grid-template-columns:1fr;gap:20px}.dashboard-card{padding:20px;flex-direction:column;text-align:center}.card-icon{font-size:2.5rem;min-width:60px;padding:15px}.card-content h3{font-size:1.3rem}.card-arrow{margin-top:10px}.info-section{grid-template-columns:1fr}.dashboard-footer{flex-direction:column}.tutor-button,.logout-button{width:100%;justify-content:center}}@media (max-width: 480px){.dashboard-title{font-size:2rem}.dashboard-subtitle{font-size:1rem}.dashboard-card{padding:15px}.card-icon{font-size:2rem;min-width:50px;padding:10px}}.App{text-align:center;min-height:100vh;background:var(--bg-color);color:var(--text-color)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}button{font-family:inherit;cursor:pointer;border:none;outline:none}input{font-family:inherit;outline:none}a{text-decoration:none;color:inherit}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:12px 24px;border-radius:8px;font-weight:600;text-align:center;transition:all .3s ease;cursor:pointer;border:none;text-decoration:none}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--secondary-color);transform:translateY(-2px);box-shadow:0 8px 25px #353df066}.btn-secondary{background:#6c757d;color:#fff}.btn-secondary:hover{background:#5a6268;transform:translateY(-2px)}.btn-danger{background:#dc3545;color:#fff}.btn-danger:hover{background:#c82333;transform:translateY(-2px)}.card{background:var(--card-bg);border-radius:15px;box-shadow:0 10px 30px #0000000d;padding:30px;margin-bottom:20px;border:1px solid var(--border-color)}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;color:#fff;font-weight:600;font-size:.9rem}.form-input{width:100%;padding:12px 16px;border:2px solid rgba(255,255,255,.3);border-radius:8px;font-size:1rem;transition:all .3s ease;background:rgba(255,255,255,.1);color:#fff;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.form-input:focus{border-color:gold;box-shadow:0 0 0 3px #ffd7004d;background:rgba(255,255,255,.2)}.error-message{background:#fee;color:#c33;padding:10px;border-radius:6px;margin-bottom:15px;font-size:.9rem;text-align:center}.success-message{background:#efe;color:#3c3;padding:10px;border-radius:6px;margin-bottom:15px;font-size:.9rem;text-align:center}.loading-spinner{display:inline-block;width:20px;height:20px;border:3px solid #f3f3f3;border-top:3px solid #ffd700;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.container{padding:0 15px}.card{padding:20px;margin-bottom:15px}}