.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.login-card{background:#fff;border-radius:20px;box-shadow:0 20px 40px #0000001a;padding:50px;width:100%;max-width:500px;animation:slideUp .6s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.login-header{text-align:center;margin-bottom:30px}.login-header h1{color:#333;font-size:2.5rem;font-weight:700;margin-bottom:15px}.login-header p{color:#666;font-size:.9rem}.login-form{display:flex;flex-direction:column;gap:20px}.form-group label{color:#333;font-weight:600;font-size:.9rem}.form-group input{padding:18px;border:2px solid #e1e5e9;border-radius:12px;font-size:1.1rem;transition:all .3s ease;background:#f8f9fa}.form-group input:focus{outline:none;border-color:#667eea;background:#fff;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled{background:#f1f3f4;cursor:not-allowed}.login-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:18px;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:15px}.login-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px #667eea4d}.login-button:disabled{position:relative;opacity:.8}.button-loading{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top:2px solid white;animation:spin 1s linear infinite;margin-right:8px}.error-message{background:#fee;color:#c53030;padding:12px;border-radius:8px;font-size:.9rem;text-align:center;border:1px solid #fed7d7;animation:shake .5s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.login-footer{margin-top:30px;padding-top:20px;border-top:1px solid #e1e5e9;text-align:center}.login-footer p{color:#666;font-size:.8rem;margin:5px 0}.login-footer strong{color:#333}@media (max-width: 768px){.login-card{padding:40px 30px;margin:20px;max-width:450px}.login-header h1{font-size:2.2rem}}@media (max-width: 480px){.login-card{padding:30px 20px;margin:10px;max-width:350px}.login-header h1{font-size:1.8rem}.form-group input,.login-button{padding:15px}}.login-button:disabled{position:relative}.login-button:disabled:after{content:"";position:absolute;width:20px;height:20px;top:50%;left:50%;margin-left:-10px;margin-top:-10px;border:2px solid transparent;border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}.message-sender{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 20px #0000001a;margin:20px 0;border:1px solid #e1e5e9}.message-sender h2{color:#2c3e50;margin-bottom:20px;font-size:1.5rem;font-weight:600;text-align:center;border-bottom:2px solid #3498db;padding-bottom:10px}.warning-message{background:#fff3cd;color:#856404;padding:12px 16px;border-radius:8px;border:1px solid #ffeaa7;margin-bottom:20px;text-align:center;font-weight:500}.error-message,.success-message{padding:12px 16px;border-radius:8px;margin-bottom:20px;position:relative;cursor:pointer;transition:all .3s ease}.error-message{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.success-message{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.close-btn{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:18px;font-weight:700;cursor:pointer;opacity:.7;transition:opacity .3s ease}.close-btn:hover{opacity:1}.message-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-weight:600;color:#2c3e50;font-size:.95rem}.form-group input,.form-group textarea,.form-group select{padding:12px 16px;border:2px solid #e1e5e9;border-radius:8px;font-size:1rem;transition:all .3s ease;background:#fff}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:#3498db;box-shadow:0 0 0 3px #3498db1a}.form-group input:disabled,.form-group textarea:disabled,.form-group select:disabled{background:#f8f9fa;color:#6c757d;cursor:not-allowed}.form-group small{color:#6c757d;font-size:.85rem;font-style:italic}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width: 768px){.form-row{grid-template-columns:1fr}}.btn{padding:14px 24px;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-align:center;text-decoration:none;display:inline-block}.btn-primary{background:linear-gradient(135deg,#3498db,#2980b9);color:#fff;box-shadow:0 4px 15px #3498db4d}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #3498db66}.btn-primary:disabled{background:#bdc3c7;cursor:not-allowed;transform:none;box-shadow:none}.message-preview{margin-top:30px;padding:20px;background:#f8f9fa;border-radius:8px;border:1px solid #e1e5e9}.message-preview h3{color:#2c3e50;margin-bottom:15px;font-size:1.2rem;font-weight:600}.preview-content{background:#fff;border:1px solid #dee2e6;border-radius:6px;padding:16px;margin-bottom:15px;max-height:300px;overflow-y:auto}.preview-content pre{margin:0;white-space:pre-wrap;word-wrap:break-word;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;font-size:.9rem;line-height:1.5;color:#2c3e50}.preview-info{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:#6c757d}.preview-info span{background:#e9ecef;padding:4px 8px;border-radius:4px;font-weight:500}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.message-sender{animation:slideIn .5s ease-out}@media (max-width: 600px){.message-sender{padding:16px;margin:10px 0}.message-sender h2{font-size:1.3rem}.form-group input,.form-group textarea,.form-group select{padding:10px 14px;font-size:.95rem}.btn{padding:12px 20px;font-size:.95rem}.preview-info{flex-direction:column;gap:8px;align-items:stretch}}.form-group input:hover:not(:disabled),.form-group textarea:hover:not(:disabled),.form-group select:hover:not(:disabled){border-color:#bdc3c7}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{transform:translateY(-1px);box-shadow:0 4px 15px #3498db26}.error-message:hover,.success-message:hover{transform:translateY(-1px);box-shadow:0 2px 8px #0000001a}.preview-content::-webkit-scrollbar{width:6px}.preview-content::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.preview-content::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.preview-content::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.cliente{font-weight:600;color:#2d3748;font-size:1rem}.dashboard-container{font-family:Inter,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;max-width:1400px;margin:0 auto;padding:20px;color:#2d3748;background-color:#f7fafc;min-height:100vh;display:flex;flex-direction:column;gap:24px}.dashboard-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:24px;align-items:start}.dashboard-column{display:flex;flex-direction:column;gap:24px}.dashboard-header{background:linear-gradient(135deg,#2c3e50,#4a6580);color:#fff;padding:20px;border-radius:16px;margin-bottom:0;box-shadow:0 4px 20px #0000001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-content{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:16px}.header-content h1{margin:0;font-size:1.8rem;font-weight:700;background:linear-gradient(135deg,#fff,#e2e8f0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.user-info{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.connection-status{display:flex;gap:20px;font-size:.95rem;flex-wrap:wrap}.status-indicator{display:flex;align-items:center;gap:8px;font-weight:600;padding:8px 16px;border-radius:20px;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.socket-status{font-weight:600;padding:8px 16px;border-radius:20px;background:#ffffff1a}.qr-section,.status-section,.sent-messages-section{background:#fff;border-radius:16px;padding:24px;box-shadow:0 4px 20px #00000014;border:1px solid #e2e8f0;transition:transform .2s ease,box-shadow .2s ease}.qr-section:hover,.status-section:hover,.sent-messages-section:hover{transform:translateY(-2px);box-shadow:0 8px 30px #0000001f}.qr-section h2,.status-section h2,.sent-messages-section h2{margin-top:0;color:#2d3748;border-bottom:2px solid #e2e8f0;padding-bottom:16px;margin-bottom:20px;font-size:1.4rem;font-weight:600}.qr-instructions{background:linear-gradient(135deg,#ebf4ff,#e6fffa);padding:20px;border-radius:12px;margin-bottom:24px;border-left:4px solid #4299e1}.qr-instructions ol{padding-left:24px;margin:0}.qr-instructions li{margin-bottom:12px;line-height:1.6;color:#2d3748}.qr-container{display:flex;flex-direction:column;align-items:center;gap:24px;padding:20px 0}.qr-display{position:relative;width:280px;height:280px;background:#fff;border:2px solid #e2e8f0;border-radius:16px;display:flex;justify-content:center;align-items:center;padding:16px;box-shadow:0 4px 15px #0000001a;transition:transform .2s ease}.qr-display:hover{transform:scale(1.02)}.qr-placeholder{text-align:center;color:#a0aec0;font-size:.95rem}.qr-timer{position:absolute;bottom:-20px;font-size:1.3rem;font-weight:700;padding:8px 20px;border-radius:25px;color:#fff;box-shadow:0 4px 15px #0003;z-index:2}.qr-controls{width:100%;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;padding:16px;background:#f7fafc;border-radius:12px;border:1px solid #e2e8f0}.qr-info{font-size:.95rem;color:#718096}.qr-info p{margin:6px 0;display:flex;align-items:center;gap:8px}.qr-info p strong{color:#2d3748}.qr-actions{display:flex;gap:12px;flex-wrap:wrap}.status-card{padding:24px;border-radius:16px;text-align:center;box-shadow:0 4px 20px #00000014;border:1px solid #e2e8f0;transition:transform .2s ease}.status-card:hover{transform:translateY(-2px)}.status-card.connected{background:linear-gradient(135deg,#f0fff4,#e6fffa);border-left:4px solid #38a169}.status-card.disconnected{background:linear-gradient(135deg,#fffaf0,#feebc8);border-left:4px solid #dd6b20}.status-card.error{background:linear-gradient(135deg,#fff5f5,#fed7d7);border-left:4px solid #e53e3e}.connection-details{text-align:left;margin:20px 0;padding:16px;background:#ffffffb3;border-radius:12px;border:1px solid #e2e8f0}.status-details{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}.status-item{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid #e2e8f0}.status-item:last-child{border-bottom:none}.status-item span:first-child{color:#718096;font-weight:500}.status-item span:last-child{font-weight:600}.status-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.btn{padding:12px 24px;border:none;border-radius:12px;cursor:pointer;font-weight:600;font-size:.95rem;transition:all .3s ease;display:inline-flex;align-items:center;gap:8px;text-decoration:none}.btn-primary{background:linear-gradient(135deg,#4299e1,#3182ce);color:#fff;box-shadow:0 4px 15px #4299e14d}.btn-primary:hover{background:linear-gradient(135deg,#3182ce,#2b6cb0);transform:translateY(-2px);box-shadow:0 6px 20px #4299e166}.btn-secondary{background:linear-gradient(135deg,#a0aec0,#718096);color:#fff;box-shadow:0 4px 15px #a0aec04d}.btn-secondary:hover{background:linear-gradient(135deg,#718096,#4a5568);transform:translateY(-2px);box-shadow:0 6px 20px #a0aec066}.btn-danger{background:linear-gradient(135deg,#f56565,#e53e3e);color:#fff;box-shadow:0 4px 15px #f565654d}.btn-danger:hover{background:linear-gradient(135deg,#e53e3e,#c53030);transform:translateY(-2px);box-shadow:0 6px 20px #f5656566}.btn-logout{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.3);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-logout:hover{background:#ffffff1a;border-color:#ffffff80;transform:translateY(-2px)}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 40px;gap:20px}.spinner{border:3px solid rgba(66,153,225,.1);border-radius:50%;border-top:3px solid #4299e1;width:50px;height:50px;animation:spin 1s linear infinite}.notifications-container{position:fixed;top:24px;right:24px;z-index:1000;display:flex;flex-direction:column;gap:12px}.notification{padding:16px 24px;border-radius:12px;color:#000;box-shadow:0 6px 25px #00000026;animation:slideIn .3s ease-out;max-width:350px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1)}.dashboard-footer{margin-top:auto;text-align:center;padding:20px;color:#a0aec0;font-size:.9rem;border-top:1px solid #e2e8f0;background:#fff;border-radius:16px;box-shadow:0 4px 20px #0000000d}.sent-messages-section h2{background:linear-gradient(135deg,#2d3748,#4a5568);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;border-bottom:2px solid #48bb78}.sent-messages-list{display:flex;flex-direction:column;gap:16px}.sent-message-item{background:linear-gradient(135deg,#f7fafc,#edf2f7);border:1px solid #e2e8f0;border-radius:12px;padding:20px;transition:all .3s ease;box-shadow:0 2px 10px #0000000d}.sent-message-item:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000001a;border-color:#48bb78}.message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #e2e8f0;flex-wrap:wrap;gap:12px}.phone-number{font-weight:600;color:#2d3748;font-size:1rem}.template-type{background:linear-gradient(135deg,#4299e1,#3182ce);color:#fff;padding:6px 12px;border-radius:20px;font-size:.85rem;font-weight:500;text-transform:capitalize}textarea{font-family:inherit}.message-details{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;font-size:.9rem;color:#718096;flex-wrap:wrap;gap:12px}.sent-time{background:#e2e8f0;padding:6px 12px;border-radius:20px;font-weight:500}.message-id{background:#f7fafc;padding:6px 12px;border-radius:20px;font-family:Fira Code,monospace;font-size:.85rem;border:1px solid #e2e8f0}.message-preview{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:16px;font-size:.95rem;color:#4a5568;line-height:1.5;max-height:120px;overflow-y:auto;position:relative}@media (max-width: 1200px){.dashboard-grid{grid-template-columns:1fr;gap:20px}.dashboard-column{gap:20px}}@media (max-width: 768px){.dashboard-container{padding:16px;gap:20px}.header-content,.user-info{flex-direction:column;align-items:flex-start;gap:12px}.connection-status{flex-direction:column;gap:12px}.qr-controls{flex-direction:column;gap:16px}.status-details{grid-template-columns:1fr}.status-actions{flex-direction:column}.qr-display{width:240px;height:240px}.message-header,.message-details{flex-direction:column;gap:12px;align-items:stretch}.notifications-container{top:16px;right:16px;left:16px}.notification{max-width:none}}@media (max-width: 480px){.dashboard-header{padding:16px}.header-content h1{font-size:1.5rem}.qr-section,.status-section,.sent-messages-section{padding:20px 16px}.qr-display{width:200px;height:200px}.btn{padding:10px 20px;font-size:.9rem}}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.message-preview::-webkit-scrollbar{width:6px}.message-preview::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.message-preview::-webkit-scrollbar-thumb{background:#cbd5e0;border-radius:3px}.message-preview::-webkit-scrollbar-thumb:hover{background:#a0aec0}.time-normal{background:linear-gradient(135deg,#4299e1,#3182ce)}.time-warning{background:linear-gradient(135deg,#ed8936,#dd6b20);animation:pulse 1s infinite}.time-critical{background:linear-gradient(135deg,#f56565,#e53e3e);animation:pulse .5s infinite}.country-dropdown{position:relative;width:100%}.dropdown-button{width:100%;padding:12px;border:2px solid #e1e5e9;border-radius:8px;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:16px;transition:all .3s ease;text-align:left}.dropdown-button:hover{border-color:#007bff}.dropdown-button.open{border-color:#007bff;box-shadow:0 0 0 3px #007bff1a}.dropdown-button:disabled{background-color:#f8f9fa;cursor:not-allowed;border-color:#e9ecef}.dropdown-content{display:flex;align-items:center;flex:1}.dropdown-content .placeholder{color:#6c757d}.dropdown-arrow{transition:transform .3s ease;color:#6c757d;font-size:14px}.dropdown-arrow.rotate{transform:rotate(180deg)}.dropdown-menu{position:absolute;top:100%;left:0;right:0;background:#fff;border:2px solid #e1e5e9;border-radius:8px;margin-top:4px;z-index:1000;max-height:250px;overflow-y:auto;box-shadow:0 4px 6px #0000001a}.dropdown-option{width:100%;padding:12px;cursor:pointer;display:flex;align-items:center;background:none;border:none;text-align:left;font-size:16px;transition:background-color .2s}.dropdown-option:hover{background-color:#f8f9fa}.dropdown-option:first-child{border-top-left-radius:6px;border-top-right-radius:6px}.dropdown-option:last-child{border-bottom-left-radius:6px;border-bottom-right-radius:6px}.field-hint{display:block;margin-top:4px;color:#6c757d;font-size:14px;font-style:italic}@media (max-width: 768px){.dropdown-button,.dropdown-option{padding:10px;font-size:14px}}body,html{padding:0;margin:0}