:root{font-family:Arial,Helvetica,sans-serif;color:#e5eaf5;background:#0f1a2e}*{box-sizing:border-box}html,body,#root,.app-shell,.main-shell,.page-shell,.main-content,.content,.sidebar,.panel,.card,.chat-list,.chat-panel,.messages,.templates-panel,.campaigns-panel,.reports-panel,.settings-panel,*{scrollbar-width:thin;scrollbar-color:rgba(148,163,184,.14) transparent}html::-webkit-scrollbar,body::-webkit-scrollbar,#root::-webkit-scrollbar,.app-shell::-webkit-scrollbar,.main-shell::-webkit-scrollbar,.page-shell::-webkit-scrollbar,.main-content::-webkit-scrollbar,.content::-webkit-scrollbar,.sidebar::-webkit-scrollbar,.panel::-webkit-scrollbar,.card::-webkit-scrollbar,.chat-list::-webkit-scrollbar,.chat-panel::-webkit-scrollbar,.messages::-webkit-scrollbar,.templates-panel::-webkit-scrollbar,.campaigns-panel::-webkit-scrollbar,.reports-panel::-webkit-scrollbar,.settings-panel::-webkit-scrollbar,*::-webkit-scrollbar{width:5px;height:5px}html::-webkit-scrollbar-track,body::-webkit-scrollbar-track,#root::-webkit-scrollbar-track,*::-webkit-scrollbar-track{background:transparent!important}html::-webkit-scrollbar-thumb,body::-webkit-scrollbar-thumb,#root::-webkit-scrollbar-thumb,*::-webkit-scrollbar-thumb{background-color:#94a3b81a!important;border-radius:999px!important;border:none!important}html::-webkit-scrollbar-thumb:hover,body::-webkit-scrollbar-thumb:hover,#root::-webkit-scrollbar-thumb:hover,*::-webkit-scrollbar-thumb:hover{background-color:#94a3b852!important}html::-webkit-scrollbar-corner,body::-webkit-scrollbar-corner,#root::-webkit-scrollbar-corner,*::-webkit-scrollbar-corner{background:transparent!important}html,body,#root{min-height:100%;margin:0}body{min-height:100vh;background:radial-gradient(circle at top right,rgba(78,135,223,.18),transparent 26%),linear-gradient(180deg,#0a1424,#0f1a2e 58%,#10192d);color:#e5eaf5}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{border:0;border-radius:8px;cursor:pointer}.app-shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}.sidebar{display:flex;flex-direction:column;gap:24px;padding:24px 18px;background:#081325f0;border-right:1px solid rgba(143,166,210,.14)}.brand{display:flex;flex-direction:column;gap:4px}.brand-title{font-size:24px;font-weight:700;color:#fff}.brand-subtitle{font-size:13px;color:#8fa6d2}.sidebar-nav{display:flex;flex-direction:column;gap:8px}.nav-link{display:flex;align-items:center;padding:14px 16px;border-radius:8px;color:#a5b2c2;border-left:3px solid transparent;background:transparent;transition:background-color .2s ease,border-color .2s ease,color .2s ease}.nav-link:hover,.nav-link.active{background:#1b2c44;border-color:#4e87df;color:#fff}.sidebar-footer{margin-top:auto}.ghost-button{width:100%;padding:12px 14px;color:#e5eaf5;background:#243a5bc7}.ghost-button:hover{background:#365179e6}.content{display:flex;flex-direction:column;padding:28px;gap:20px}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.page-title{margin:0;font-size:30px;line-height:1.1;color:#fff}.page-subtitle{margin:8px 0 0;color:#8fa6d2;font-size:14px}.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.metric-card,.panel,.message-bubble,.login-card{background:#182944;border:1px solid rgba(143,166,210,.12);border-radius:8px;box-shadow:0 18px 45px #0000002e}.metric-card{padding:20px;min-height:132px;display:flex;flex-direction:column;gap:10px}.metric-label{font-size:15px;color:#8fa6d2}.metric-value{font-size:34px;font-weight:700;color:#fff}.metric-bar{margin-top:auto;height:6px;background:#314977;border-radius:999px;overflow:hidden}.metric-bar>span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#4e87df,#69b3ff)}.panel-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}.panel{padding:20px}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}.panel-title{margin:0;font-size:18px;color:#fff}.panel-subtitle{margin:4px 0 0;font-size:13px;color:#8fa6d2}.toolbar{display:grid;grid-template-columns:minmax(180px,1fr) 160px auto;gap:12px;margin-bottom:18px}.control,.search-input{width:100%;padding:12px 14px;border-radius:8px;border:1px solid rgba(143,166,210,.16);background:#0f1a2e;color:#e5eaf5}.primary-button{padding:12px 16px;color:#fff;background:linear-gradient(135deg,#4e87df,#2aa572)}.primary-button:hover{filter:brightness(1.06)}.list{display:flex;flex-direction:column;gap:12px}.list-item{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:8px;background:#0f1a2eeb;border:1px solid rgba(143,166,210,.1)}.list-item.is-clickable{cursor:pointer}.list-item.is-clickable:hover,.list-item.is-selected{background:#1b2c44f5;border-color:#4e87df73}.list-title{margin:0 0 4px;font-size:15px;font-weight:700;color:#fff}.list-meta,.list-caption{margin:0;font-size:13px;color:#8fa6d2}.tag{display:inline-flex;align-items:center;justify-content:center;min-height:24px;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700}.tag.online{color:#fff;background:#2aa572}.tag.offline,.tag.error{color:#fff;background:#da4848}.tag.connecting{color:#fff;background:#c7902a}.split-panel{display:grid;grid-template-columns:340px minmax(0,1fr);gap:18px;min-height:520px}.conversation-list{display:flex;flex-direction:column;gap:10px;max-height:540px;overflow:auto}.chat-column{display:flex;flex-direction:column;min-height:0}.messages{flex:1;display:flex;flex-direction:column;gap:12px;padding-right:6px;overflow:auto;min-height:360px}.message-row{display:flex}.message-row.mine{justify-content:flex-end}.message-bubble{max-width:min(75%,540px);padding:12px 14px;background:#111f37}.message-row.mine .message-bubble{background:#21426d}.message-text{margin:0;color:#fff;line-height:1.45}.message-time{margin-top:6px;font-size:12px;color:#8fa6d2}.composer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;margin-top:16px}.empty-state{display:flex;align-items:center;justify-content:center;min-height:280px;padding:20px;text-align:center;color:#8fa6d2;background:#0f1a2e80;border-radius:8px;border:1px dashed rgba(143,166,210,.2)}.qr-preview{margin-top:18px;max-width:280px;padding:16px;border-radius:8px;background:#0f1a2eeb;border:1px solid rgba(143,166,210,.14)}.qr-preview img{width:100%;border-radius:8px;background:#fff}.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(460px,100%);padding:32px}.login-title{margin:0;color:#fff;font-size:32px}.login-copy{margin:10px 0 24px;color:#8fa6d2;line-height:1.5}.login-form{display:flex;flex-direction:column;gap:12px}.login-help{margin-top:18px;font-size:13px;color:#8fa6d2}@media (max-width: 1080px){.summary-grid,.panel-grid,.split-panel{grid-template-columns:1fr}}@media (max-width: 820px){.app-shell{grid-template-columns:1fr}.sidebar{gap:16px;border-right:0;border-bottom:1px solid rgba(143,166,210,.14)}.sidebar-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.content{padding:20px}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.toolbar,.composer{grid-template-columns:1fr}}@media (max-width: 560px){.sidebar-nav,.summary-grid{grid-template-columns:1fr}.page-header{flex-direction:column}}@media (max-width: 768px){.app-shell{grid-template-columns:1fr;grid-template-rows:1fr auto;height:100dvh;overflow:hidden}.content{padding:0;gap:0;overflow:hidden;height:100%}.sidebar{order:2;flex-direction:row;padding:0;gap:0;border-right:none;border-top:1px solid rgba(143,166,210,.14);background:#081325fa;position:fixed;bottom:0;left:0;right:0;z-index:100;height:60px}.brand,.sidebar-footer{display:none}.sidebar-nav{display:flex;flex-direction:row;gap:0;width:100%;justify-content:space-around;align-items:center}.nav-link{flex-direction:column;align-items:center;justify-content:center;padding:8px 4px 6px;border-left:none;border-bottom:3px solid transparent;border-radius:0;font-size:10px;gap:3px;flex:1;min-width:0;text-align:center}.nav-link.active{background:#4e87df1f;border-color:#4e87df;color:#fff}.content>*{padding-bottom:0}.split-panel{display:block;min-height:0;height:calc(100dvh - 60px);position:relative;overflow:hidden}.mobile-chat-list{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;background:#0f1a2e;transition:transform .28s cubic-bezier(.4,0,.2,1);z-index:1}.mobile-chat-list.hidden{transform:translate(-100%);pointer-events:none}.mobile-chat-list-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:#182944;border-bottom:1px solid rgba(143,166,210,.14);flex-shrink:0}.mobile-chat-list-header h2{margin:0;font-size:20px;font-weight:700;color:#fff}.conversation-list{flex:1;max-height:none;overflow-y:auto;padding:8px 0;gap:0}.list-item{border-radius:0;border-bottom:1px solid rgba(143,166,210,.07);padding:14px 16px;margin:0}.mobile-chat-view{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;background:#0f1a2e;transform:translate(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);z-index:2}.mobile-chat-view.visible{transform:translate(0)}.mobile-chat-header{display:flex;align-items:center;gap:12px;padding:10px 14px;background:#182944;border-bottom:1px solid rgba(143,166,210,.14);flex-shrink:0;min-height:58px}.mobile-back-btn{background:none;border:none;color:#4e87df;font-size:24px;cursor:pointer;padding:4px 8px 4px 0;line-height:1;flex-shrink:0}.mobile-chat-info{flex:1;min-width:0}.mobile-chat-name{font-size:16px;font-weight:700;color:#fff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-chat-status{font-size:12px;color:#8fa6d2;margin-top:1px}.chat-column{flex:1;display:flex;flex-direction:column;min-height:0;height:100%}.messages{flex:1;min-height:0;padding:12px 10px;gap:8px;overflow-y:auto;-webkit-overflow-scrolling:touch}.message-bubble{max-width:min(85%,360px);padding:9px 12px;font-size:14px;border-radius:12px}.message-row.mine .message-bubble{background:#005c4b;border-radius:12px 12px 0}.message-row:not(.mine) .message-bubble{background:#182944;border-radius:12px 12px 12px 0}.composer{display:flex;align-items:center;gap:8px;padding:8px 10px;background:#182944;border-top:1px solid rgba(143,166,210,.14);margin-top:0;flex-shrink:0}.composer input,.composer textarea{flex:1;border-radius:24px;padding:10px 16px;font-size:15px;background:#0f1a2e;border:1px solid rgba(143,166,210,.2);color:#fff;resize:none;max-height:100px}.composer button[type=submit],.composer .send-btn{width:44px;height:44px;border-radius:50%;padding:0;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.page-header,.summary-grid,.mobile-hide{display:none!important}.topbar{padding:0 12px;height:52px;position:sticky;top:0;z-index:50;flex-shrink:0}}