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.step-connector{left:42px;width:22px;top:16px}.request-tracker-card.compact .cancelled-banner{padding:10px 12px;margin-top:10px}.request-tracker-card.compact .cancelled-icon{font-size:20px}.request-tracker-card.compact .cancelled-text h4{font-size:13px;margin-bottom:2px}.request-tracker-card.compact .cancelled-reason,.request-tracker-card.compact .cancelled-date{font-size:12px}.requests-grid{gap:16px}.request-tracker-card.compact .detail-row .value.price{font-weight:600}.table-wrapper-tracker{background:#fff;border:1px solid #e1e8ed;border-radius:10px;overflow-x:auto;box-shadow:0 2px 10px #0000000d;margin-top:20px}.requests-table-tracker{width:100%;border-collapse:collapse;font-size:14px}.requests-table-tracker thead{background:#f5f6f7;color:#2c3e50;text-align:left}.requests-table-tracker th,.requests-table-tracker td{padding:12px 15px;border-bottom:1px solid #e1e8ed}.requests-table-tracker 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ease}.action-btn.primary{background:#3498db;color:#fff}.action-btn.primary:hover{background:#2980b9}.action-btn.success{background:#27ae60;color:#fff}.action-btn.success:hover{background:#229954}.action-btn.danger{background:#e74c3c;color:#fff}.action-btn.danger:hover{background:#c0392b}.action-btn.secondary{background:#95a5a6;color:#fff}.action-btn.secondary:hover{background:#7f8c8d}.notification-controls{display:flex;flex-direction:column;gap:10px;flex-shrink:0}.mark-read-btn{background:transparent;border:1px solid #e1e8ed;color:#7f8c8d;padding:8px;border-radius:6px;cursor:pointer;transition:all .3s ease;font-size:16px;width:40px;height:40px;display:flex;align-items:center;justify-content:center}.mark-read-btn:hover{background:#f8f9fa;border-color:#8e44ad;color:#8e44ad}@media (max-width: 1200px){.stats-container{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}}@media (max-width: 768px){.header-content{flex-direction:column;gap:15px;text-align:center}.header-right{flex-direction:column;gap:10px}.notifications-main{padding:20px 15px}.stats-container{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px}.stat-card{padding:15px;flex-direction:column;text-align:center;gap:10px}.stat-icon,.stat-number{font-size:1.5rem}.controls-container{flex-direction:column;align-items:stretch;gap:15px}.filter-section{flex-direction:column;gap:15px}.filter-group{flex-direction:row;justify-content:space-between;align-items:center}.filter-select{min-width:140px}.notification-item{padding:15px;flex-direction:column;gap:15px}.notification-icon{align-self:center}.notification-header{flex-direction:column;gap:10px;text-align:center}.notification-badges{justify-content:center}.notification-time{text-align:center}.notification-controls{flex-direction:row;justify-content:center}.notification-actions{justify-content:center}}@media (max-width: 480px){.header-left h1{font-size:1.5rem}.notifications-main{padding:15px 10px}.stats-container{grid-template-columns:1fr 1fr}.notification-item{padding:12px}.notification-icon{width:40px;height:40px;font-size:1.5rem}.notification-title h3{font-size:1rem}.notification-body p{font-size:13px}.action-btn{padding:6px 12px;font-size:12px}}.App{text-align:center}.App-logo{height:40vmin;pointer-events:none}@media (prefers-reduced-motion: no-preference){.App-logo{animation:App-logo-spin infinite 20s linear}}.App-header{background-color:#282c34;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:calc(10px + 2vmin);color:#fff}.App-link{color:#61dafb}@keyframes App-logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.dashboard{min-height:100vh;background-color:#f8f9fa;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.dashboard-header{background:linear-gradient(135deg,#2c3e50,#34495e);color:#fff;padding:20px 0;box-shadow:0 2px 10px #0000001a}.header-left h1{margin:0 0 5px;font-size:1.8rem;font-weight:600}.notification-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;padding:10px 16px;border-radius:6px;cursor:pointer;transition:all .3s ease;position:relative;font-size:14px}.notification-btn:hover{background:#fff3}.notification-badge{position:absolute;top:-5px;right:-5px;background:#e74c3c;color:#fff;border-radius:50%;width:20px;height:20px;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:700}.dashboard-nav{background:#fff;border-bottom:1px solid #e1e8ed;padding:0;max-width:1200px;margin:0 auto;display:flex}.nav-tab{background:none;border:none;padding:15px 25px;cursor:pointer;font-size:14px;font-weight:500;color:#7f8c8d;border-bottom:3px solid transparent;transition:all .3s ease}.nav-tab:hover{color:#2c3e50;background:#f8f9fa}.nav-tab.active{color:#3498db;border-bottom-color:#3498db;background:#f8f9fa}.dashboard-main{max-width:1200px;margin:0 auto;padding:30px 20px}.overview-section h2{color:#2c3e50;margin-bottom:25px;font-size:1.5rem;font-weight:600}.stat-card{background:#fff;padding:25px;border-radius:10px;box-shadow:0 2px 10px #00000014;text-align:center;border:1px solid #e1e8ed;transition:transform .3s ease}.stat-card:hover{transform:translateY(-2px)}.stat-number{font-size:2.5rem;font-weight:700;color:#3498db;margin-bottom:8px}.stat-label{color:#7f8c8d;font-size:14px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.recent-activity{background:#fff;border-radius:10px;padding:25px;box-shadow:0 2px 10px #00000014;border:1px solid #e1e8ed}.recent-activity h3{color:#2c3e50;margin-bottom:20px;font-size:1.2rem;font-weight:600}.activity-list{display:flex;flex-direction:column;gap:15px}.activity-item{display:flex;gap:12px;padding:12px;background:#f8f9fa;border-radius:8px;margin-bottom:8px;transition:all .3s ease}.activity-item:hover{background:#e9ecef;transform:translate(2px)}.activity-item.unread{background:linear-gradient(135deg,#fff3cd,#fef5e7);border-left:4px solid #f39c12}.unread-dot{color:#f39c12;font-weight:700;margin-left:8px}.activity-icon{font-size:18px;margin-top:2px}.activity-content p{margin:0 0 5px;color:#2c3e50;font-size:14px}.activity-time{color:#7f8c8d;font-size:12px}.requests-section h2{color:#2c3e50;margin-bottom:25px;font-size:1.5rem;font-weight:600}.empty-state{text-align:center;padding:60px 20px;color:#7f8c8d;background:#fff;border-radius:10px;border:1px solid #e1e8ed}.requests-list{display:grid;gap:20px}.request-card{background:#fff;border-radius:10px;padding:20px;box-shadow:0 2px 10px #00000014;border:1px solid #e1e8ed;transition:transform .3s ease}.request-card:hover{transform:translateY(-2px)}.request-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:15px;padding-left:10px;padding-right:10px;border-bottom:1px solid #e1e8ed}.request-header h4{margin:0;color:#fff;font-size:2rem;font-weight:600}.status-badge{color:#fff;padding:6px 12px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.request-details p{margin:8px 0;color:#2c3e50;font-size:14px}.request-details strong{color:#34495e}.actions-section h2{color:#2c3e50;margin-bottom:25px;font-size:1.5rem;font-weight:600}.actions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.action-card{background:#fff;border:2px solid #e1e8ed;border-radius:12px;padding:30px;text-align:center;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:15px}.action-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px #0000001a}.action-icon{font-size:2.5rem}.action-label{color:#2c3e50;font-size:16px;font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:40px}.stat-card{background:#fff;padding:25px;border-radius:12px;box-shadow:0 4px 15px #00000014;text-align:center;border:1px solid #e1e8ed;transition:all .3s ease;position:relative;overflow:hidden}.stat-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px #0000001f}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(135deg,#3498db,#2980b9)}.stat-card[data-stat=total]:before{background:linear-gradient(135deg,#34495e,#2c3e50)}.stat-card[data-stat=pendiente]:before{background:linear-gradient(135deg,#f39c12,#e67e22)}.stat-card[data-stat=cotizada]:before{background:linear-gradient(135deg,#3498db,#2980b9)}.stat-card[data-stat=aprobada]:before{background:linear-gradient(135deg,#27ae60,#229954)}.stat-card[data-stat="en 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h2{margin:0;color:#2c3e50;font-size:1.6rem;font-weight:700}.message-count{background:linear-gradient(135deg,#3498db,#2980b9);color:#fff;padding:6px 14px;border-radius:20px;font-size:12px;font-weight:700;box-shadow:0 2px 8px #3498db4d}.conversation-files{margin-bottom:24px;padding:20px;background:linear-gradient(135deg,#f8f9fa,#f1f3f5);border-radius:12px;border:1px solid #e1e8ed}.conversation-files h3{margin:0 0 16px;color:#2c3e50;font-size:16px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.attachments-list{display:flex;flex-direction:column;gap:12px}.attachment-item{display:flex;align-items:center;gap:12px;padding:14px;background:#fff;border-radius:10px;border:1px solid #e1e8ed;box-shadow:0 2px 8px #0000000f;transition:all .3s ease}.attachment-item:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000001f}.attachment-icon{font-size:18px;color:#3498db}.attachment-name{flex:1;color:#2d3748;font-size:14px;font-weight:600}.attachment-uploader{color:#718096;font-size:12px;font-style:italic;margin-right:12px}.download-btn{background:linear-gradient(135deg,#27ae60,#229954);color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;transition:all .3s ease;box-shadow:0 2px 8px #27ae604d}.download-btn:hover{background:linear-gradient(135deg,#229954,#1e7e34);transform:translateY(-1px);box-shadow:0 4px 12px #27ae6066}.messages-container{flex:1;overflow-y:auto;padding:25px 20px;margin:0 -20px;background:#fafbfc;border-radius:12px;display:flex;flex-direction:column;gap:24px;scrollbar-width:thin;scrollbar-color:#cbd5e0 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#e2e8f0;border-bottom-left-radius:8px;margin-right:40px}.message-text{margin:0;line-height:1.6;word-wrap:break-word;font-size:15px;font-weight:500}.own-message .message-text{font-weight:400}.message-form{margin-top:24px;padding-top:24px;border-top:2px solid #f1f3f5}.form-group{margin-bottom:18px}.message-input{width:100%;padding:16px 20px;border:2px solid #e2e8f0;border-radius:12px;font-size:14px;font-family:inherit;resize:vertical;transition:all .3s ease;background:#fafbfc;line-height:1.5}.message-input:focus{outline:none;border-color:#3498db;background:#fff;box-shadow:0 0 0 4px #3498db1a;transform:translateY(-1px)}.download-btn.downloading{background-color:#95a5a6!important;cursor:wait!important;opacity:.7}.download-spinner{display:inline-block;width:12px;height:12px;border:2px solid rgba(255,255,255,.3);border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite;margin-right:8px}.send-spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite;margin-right:8px}.download-btn:disabled,.send-btn:disabled{cursor:not-allowed!important;opacity:.6!important}.Toastify__toast--loading{background:linear-gradient(135deg,#2c3e50,#34495e)!important}.attachment-item:hover{background-color:#f8f9fa;transition:background-color .2s ease}.message-form{border-top:2px solid #f1f3f5;background:#fff;border-radius:0 0 16px 16px;margin:0 -28px -28px;padding:28px}.form-group{margin-bottom:20px}.message-input{width:100%;padding:18px 22px;border:2px solid #e2e8f0;border-radius:16px;font-size:15px;font-family:inherit;resize:vertical;transition:all .3s ease;background:#fafbfc;line-height:1.6;min-height:120px}.message-input:focus{outline:none;border-color:#3498db;background:#fff;box-shadow:0 0 0 4px #3498db1a;transform:translateY(-2px)}.empty-conversation{display:flex;flex-direction:column;align-items:center;justify-content:center;height:300px;color:#a0aec0;text-align:center;padding:40px}.empty-icon{font-size:4rem;margin-bottom:20px;opacity:.6}.empty-conversation h3{margin:0 0 16px;color:#4a5568;font-size:1.4rem;font-weight:600}.empty-conversation p{margin:0;font-size:15px;color:#718096;line-height:1.6;max-width:400px}.messages-container::-webkit-scrollbar{width:8px}.messages-container::-webkit-scrollbar-track{background:#f1f3f5;border-radius:4px;margin:10px 0}.messages-container::-webkit-scrollbar-thumb{background:#cbd5e0;border-radius:4px;border:2px solid #f1f3f5}.messages-container::-webkit-scrollbar-thumb:hover{background:#a0aec0}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.message{animation:messageSlideIn .3s ease-out}.attachments-toolbar{display:grid;grid-template-columns:auto 1fr 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ease,box-shadow .15s ease}.attachment-chip:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 3px 10px #00000014}.attachment-chip:disabled{opacity:.6;cursor:not-allowed}.chip-icon{font-size:16px}.chip-name{max-width:180px;overflow:hidden;text-overflow:ellipsis}.attachments-more-btn{background:linear-gradient(135deg,#edf2f7,#e2e8f0);color:#4a5568;border:1px solid #cbd5e0;border-radius:8px;padding:8px 12px;font-size:13px;font-weight:600;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .2s ease}.attachments-more-btn:hover{transform:translateY(-1px);box-shadow:0 2px 8px #00000014}.attachments-modal-overlay{position:fixed;inset:0;background:#1118278c;display:grid;place-items:center;z-index:1000;padding:16px}.attachments-modal{width:min(100%,920px);max-height:85vh;overflow:hidden;background:#fff;border-radius:16px;border:1px solid #e1e8ed;box-shadow:0 20px 60px #0000002e;display:flex;flex-direction:column}.attachments-modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid #eef2f7}.attachments-modal-header h3{margin:0;font-size:16px;color:#2c3e50;font-weight:700;text-transform:uppercase;letter-spacing:.4px}.modal-close-btn{background:transparent;border:none;font-size:18px;cursor:pointer;color:#4a5568}.attachments-grid{padding:18px;overflow:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.attachment-card{border:1px solid #e2e8f0;border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:10px;background:#fff;transition:transform .15s ease,box-shadow .15s ease}.attachment-card:hover{transform:translateY(-2px);box-shadow:0 8px 22px #00000014}.attachment-card-top{display:flex;align-items:flex-start;gap:10px}.attachment-card-icon{font-size:24px}.attachment-card-text{flex:1;min-width:0}.attachment-card-name{font-weight:700;color:#2d3748;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attachment-card-meta{font-size:12px;color:#718096}.attachment-download-btn{align-self:flex-start;background:linear-gradient(135deg,#27ae60,#229954);color:#fff;border:none;padding:8px 12px;border-radius:8px;cursor:pointer;font-size:13px;font-weight:600;transition:transform .15s ease,box-shadow .15s ease}.attachment-download-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 16px #27ae6059}.attachment-download-btn:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 768px){.chip-name{max-width:120px}.attachments-toolbar{grid-template-columns:auto 1fr}.attachments-more-btn{grid-column:1 / -1;justify-self:end}}@media (max-width: 968px){.message{max-width:85%}.message-content{padding:18px 22px;min-height:55px}.message-text{font-size:14px}}@media (max-width: 768px){.message{max-width:90%;margin:6px 0}.message-content{padding:16px 20px;border-radius:18px;min-height:50px}.own-message .message-content{margin-left:20px}.other-message .message-content{margin-right:20px}.message-header{margin-bottom:8px;padding:0 12px}.sender-name{font-size:13px;padding:3px 10px}.message-time{font-size:11px}.message-input{min-height:100px;padding:16px 20px}}@media (max-width: 480px){.conversation-section{padding:20px;height:auto;min-height:500px}.messages-container{padding:20px 15px;gap:20px}.message{max-width:92%}.message-content{padding:14px 18px;border-radius:16px}.message-text{font-size:14px;line-height:1.5}.message-header{flex-direction:column;align-items:flex-start;gap:4px}.sender-name{font-size:12px}.message-time{font-size:10px;align-self:flex-end}.empty-conversation{height:250px;padding:30px}.empty-icon{font-size:3rem}.empty-conversation h3{font-size:1.2rem}.empty-conversation p{font-size:14px}}.message-text{word-break:break-word;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto}.messages-container .message:first-child{margin-top:auto}.messages-container .message:last-child{margin-bottom:10px}.message-content{cursor:pointer;transition:all .2s ease}.message-content:hover{z-index:10}.message-content:focus{outline:2px solid #3498db;outline-offset:2px}.form-actions{display:flex;justify-content:space-between;align-items:center;gap:16px}.file-upload{display:flex;align-items:center;gap:12px;flex:1}.file-btn{background:linear-gradient(135deg,#edf2f7,#e2e8f0);color:#4a5568;padding:10px 16px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;transition:all .3s ease;border:1px solid #cbd5e0;white-space:nowrap}.file-btn:hover{background:linear-gradient(135deg,#e2e8f0,#cbd5e0);transform:translateY(-1px);box-shadow:0 2px 8px 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968px){.detail-content{grid-template-columns:1fr;gap:24px}.conversation-section{height:auto;min-height:500px}.message{max-width:85%}}@media (max-width: 768px){.header-content{flex-direction:column;gap:16px;text-align:center}.header-left{align-items:center}.back-btn{align-self:center}.header-right{flex-direction:column;gap:12px}.info-grid{grid-template-columns:1fr;gap:16px}.message{max-width:90%}.form-actions{flex-direction:column;align-items:stretch;gap:12px}.file-upload{justify-content:space-between}.file-name{max-width:150px}}@media (max-width: 480px){.header-left h1{font-size:1.5rem}.solicitud-info-card,.conversation-section{padding:20px}.solicitud-info-card h2,.conversation-header h2{font-size:1.3rem}.message-content{padding:14px 16px}.message-text{font-size:13px}.file-btn{padding:8px 12px;font-size:13px}.send-btn{padding:10px 20px;font-size:13px}}.conversations-page{min-height:100vh;background-color:#f8f9fa;font-family:Segoe 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span{font-size:.9rem;color:#4a5568;display:flex;align-items:center}.conversation-info span:before{content:"•";margin-right:8px;color:#3498db;font-weight:700}.btn-view-conversation{background:linear-gradient(135deg,#3498db,#2980b9);color:#fff;border:none;padding:12px 20px;border-radius:6px;cursor:pointer;font-weight:500;font-size:.95rem;transition:all .3s ease;text-align:center;margin-top:auto}.btn-view-conversation:hover{background:linear-gradient(135deg,#2980b9,#2573a7);transform:translateY(-2px);box-shadow:0 4px 10px #3498db4d}@media (max-width: 768px){.conversations-page{padding:0}.header-content{flex-direction:column;gap:15px;text-align:center}.header-left{align-items:center}.back-btn{align-self:center}.header-right{flex-direction:column;gap:10px}.conversations-grid{grid-template-columns:1fr;gap:20px;padding:0 15px 30px}.conversation-card{padding:20px}}@media (max-width: 480px){.header-left h1{font-size:1.5rem}.conversation-card{padding:15px}.conversation-card 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.value.price{color:#27ae60;font-weight:600}.solicitud-actions{display:flex;flex-direction:column;gap:10px}.view-details-btn{background:linear-gradient(135deg,#3498db,#2980b9);color:#fff;border:none;padding:10px 15px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s ease}.view-details-btn:hover{background:linear-gradient(135deg,#2980b9,#2573a7);transform:translateY(-1px)}.comentarios-aprobacion{background:#f8f9fa;padding:10px;border-radius:6px;border-left:3px solid #3498db;font-size:13px;color:#2c3e50}.empty-state{text-align:center;padding:60px 20px;color:#7f8c8d}.empty-icon{font-size:3rem;margin-bottom:15px;opacity:.7}.ver-todos-btn{background:#3498db;color:#fff;border:none;padding:10px 20px;border-radius:6px;cursor:pointer;margin-top:15px;font-size:14px}.loading-container{text-align:center;padding:60px 20px}.loading-spinner{width:40px;height:40px;border:3px solid #e1e8ed;border-top:3px solid #3498db;border-radius:50%;animation:spin 1s linear 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