@import 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.logo-img{height:64px;width:auto;margin-bottom:1.5rem;transition:transform .3s}.login-header .logo-img:hover{transform:scale(1.05)}.login-header .app-title{font-size:1.75rem;font-weight:700;color:var(--text-main);margin-bottom:.5rem}.login-header .app-subtitle{color:var(--text-muted);font-size:.95rem;margin-bottom:0}.btn-primary-custom{background:linear-gradient(135deg,var(--teal-grad-dark),var(--teal-grad-mid));border:none;color:#fff;font-weight:600;padding:.75rem 1.5rem;border-radius:12px;width:100%;transition:.3s}.btn-primary-custom:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(47,143,136,.26)}.link-custom{color:var(--primary-color);text-decoration:none;font-weight:500;transition:color .2s}.link-custom:hover{color:var(--secondary-color)}.alert-custom{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5;border-radius:12px;display:flex;align-items:center;gap:.5rem}.code-block{background:#f8f9fa;border-radius:4px;padding:1rem;margin:.5rem 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.device-phone{font-size:.8rem;color:#5b21b6}.device-list-icon{width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1rem;line-height:1}.device-card .device-list-icon{background:linear-gradient(135deg,#ede3ff 0,#dfe6ff 100%);border:1px solid #d4c4fb;color:#6c53bf}.device-card.selected .device-list-icon{background:linear-gradient(135deg,#d9f5f1 0,#cdece6 100%);border-color:#9dd7ce;color:#216d66}.status-indicator{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:.5rem}.status-indicator.online{background-color:#10b981;box-shadow:0 0 8px rgba(16,185,129,.4)}.status-indicator.offline{background-color:#ef4444}.conversations-column{background:var(--chat-bg-sidebar)}.conversations-header{padding:1.25rem;background:#fff;border-bottom:1px solid var(--chat-border)}.conversations-list{flex:1;overflow-y:auto;min-height:0;background:#fff}.conversation-item{padding:1.25rem 1rem;margin:.5rem 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#ef4444}.form-hint{display:block;margin-top:.25rem;font-size:var(--fs-caption);color:var(--text-muted)}@media (max-width:768px){.page-pretitle{font-size:var(--fs-caption)}.qr-modal-canvas{max-width:250px}.device-card:hover,.template-card:hover{transform:none}}.send-message-container{display:flex;height:calc(100vh - 100px);gap:0;background:0 0;overflow:hidden;padding:0 1rem 1rem}.send-devices-column{width:320px;min-width:320px;border-right:1px solid var(--border-color);display:flex;flex-direction:column;background:#f8fafc;border-radius:16px 0 0 16px;box-shadow:0 4px 6px -1px rgba(0,0,0,.05),0 2px 4px -1px rgba(0,0,0,.03)}.send-devices-column .devices-header{padding:1.5rem;border-bottom:1px solid var(--border-color);background:linear-gradient(180deg,#fff 0,#f8fafc 100%)}.send-devices-column .devices-header h5{font-size:1rem;font-weight:600;color:var(--text-main);margin:0}.send-devices-column .devices-list{flex:1;overflow-y:auto;padding:.5rem}.send-form-column{flex:1;display:flex;flex-direction:column;overflow:hidden;background:#fff;border-radius:0 16px 16px 0;box-shadow:0 4px 6px -1px rgba(0,0,0,.05),0 2px 4px -1px rgba(0,0,0,.03)}.send-header{padding:1.5rem 2rem;border-bottom:1px solid var(--border-color);background:#fff}.send-header .page-title{font-size:var(--fs-2xl);font-weight:700}.send-header #selected-device-info{font-size:var(--fs-sm);display:flex;align-items:center}.send-form-content{flex:1;overflow-y:auto;padding:2rem;background:#f8fafc}.empty-state{display:flex;align-items:center;justify-content:center;height:100%}.empty-state .bg-primary-lt{background:linear-gradient(135deg,#dbeafe 0,#bfdbfe 100%);color:#1e40af}.message-form{max-width:900px;margin:0 auto}@media (max-width:992px){.send-message-container{height:auto;min-height:calc(100vh - 120px)}.send-devices-column{width:280px;min-width:280px}.send-form-content{padding:1.5rem}}@media (max-width:768px){.send-message-container{flex-direction:column;height:auto}.send-devices-column{width:100%;min-width:100%;max-height:300px;border-right:none;border-bottom:1px solid var(--border-color);border-radius:16px 16px 0 0}.send-form-column{border-radius:0 0 16px 16px}.send-device-card:hover{transform:none}.send-form-content,.send-header{padding:1rem}}.cursor-pointer{cursor:pointer}.hover-shadow{transition:box-shadow .2s}.hover-shadow:hover{box-shadow:0 .5rem 1rem rgba(0,0,0,.15)!important}.device-selector-fab{display:none;position:fixed;bottom:20px;right:20px;width:56px;height:56px;border-radius:50%;background:var(--primary-color,#0d6efd);color:#fff;border:none;box-shadow:0 4px 12px rgba(0,0,0,.3);z-index:1040;align-items:center;justify-content:center;font-size:var(--fs-icon-lg);cursor:pointer;transition:transform .2s}.device-selector-fab:hover{transform:scale(1.1)}.device-selector-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1050;align-items:center;justify-content:center;backdrop-filter:blur(2px)}.device-selector-modal.active{display:flex}.device-selector-content{background:var(--bs-body-bg,#fff);padding:1.5rem;border-radius:1rem;width:90%;max-width:400px;box-shadow:0 10px 25px rgba(0,0,0,.2);max-height:80vh;overflow-y:auto}@media (max-width:768px){.device-selector-fab{display:flex}}.z-high{z-index:2000!important}.mw-300{max-width:300px}.scroll-container-row{height:calc(100vh - 200px)}.scroll-column-left{height:100%;overflow-y:auto;padding-right:15px}.scroll-column-right{height:100%;overflow-y:auto;padding-right:30px}.scroll-column-left::-webkit-scrollbar,.scroll-column-right::-webkit-scrollbar{width:8px}.scroll-column-left::-webkit-scrollbar-track,.scroll-column-right::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}.scroll-column-left::-webkit-scrollbar-thumb,.scroll-column-right::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.scroll-column-left::-webkit-scrollbar-thumb:hover,.scroll-column-right::-webkit-scrollbar-thumb:hover{background:#94a3b8}.send-device-card{display:flex;align-items:center;gap:1rem;background:#fff;border:2px solid #e2e8f0;border-radius:12px;padding:1rem;margin-bottom:.75rem;cursor:pointer;transition:.3s}.send-device-card:hover{border-color:var(--primary-color);background:#f0fdfa;transform:translateX(4px);box-shadow:0 4px 12px rgba(13,148,136,.15)}.send-device-card.selected{border-color:var(--primary-color);background:linear-gradient(135deg,#f0fdfa 0,#ecfdf5 100%);box-shadow:0 4px 16px rgba(13,148,136,.2)}.send-device-icon{flex-shrink:0;width:48px;height:48px;background:linear-gradient(135deg,var(--teal-grad-dark),var(--teal-grad-light));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem}.send-device-card.selected .send-device-icon{box-shadow:0 4px 12px rgba(13,148,136,.4);transform:scale(1.05)}.send-device-info{flex:1;min-width:0}.send-device-card .device-name{font-weight:700;font-size:var(--fs-md);color:#1e293b;margin-bottom:.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.send-device-card .device-number{font-size:var(--fs-caption);color:#64748b;margin-bottom:.25rem}.send-device-card .device-status{display:inline-flex;align-items:center;gap:.35rem;font-size:var(--fs-xs);font-weight:600;padding:.25rem .5rem;border-radius:6px;background:#d1fae5;color:#065f46}.send-device-card .device-status.connected{background:#d1fae5;color:#065f46}.send-device-card .device-status.disconnected{background:#fee2e2;color:#991b1b}.send-device-card .device-status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#10b981;box-shadow:0 0 6px rgba(16,185,129,.6)}