:root{color-scheme:light;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 15% 12%,rgba(239,63,63,.1),transparent 30%),radial-gradient(circle at 88% 90%,rgba(33,35,52,.08),transparent 32%),#f7f8fa}.login-card{width:min(100%,570px);padding:clamp(28px,5vw,52px)}.app-shell{min-height:100vh;padding-top:72px;display:grid;grid-template-columns:300px minmax(0,1fr) 280px}.topbar{border-bottom:1px solid #e7e8ec}.sidebar,.diagnostics{padding:24px;background:#fff}.sidebar{border-right:1px solid #e7e8ec}.diagnostics{border-left:1px solid #e7e8ec}.conversation-panel{min-height:calc(100vh - 72px);display:grid;grid-template-rows:minmax(0,1fr) auto auto auto;background:#f5f6f8}.message-scroll{overflow-y:auto;padding:28px;background:transparent}.empty-state{height:100%;min-height:420px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:14px}.message-row{display:flex}.message-row.inbound{justify-content:flex-end}.message-row.outbound{justify-content:flex-start}.message-bubble{max-width:min(72%,620px);padding:14px 16px;border-radius:16px!important}.message-row.inbound .message-bubble{background:#222434;color:#fff;border-bottom-right-radius:4px!important}.message-row.outbound .message-bubble{border-bottom-left-radius:4px!important}.message-bubble pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;line-height:1.5}.message-row.inbound .MuiTypography-caption{color:#ffffffbf}.composer{display:flex;gap:10px;padding:14px 18px 20px;background:#fff;border-top:1px solid #e7e8ec}.send-button{align-self:center;width:48px;height:48px;background:#ef3f3f1a!important}.phone-link-shell{min-height:100vh;background:#f5f6f8}.phone-link-bar{border-bottom:1px solid #e7e8ec}.phone-link-main{min-height:calc(100vh - 64px);padding:clamp(32px,6vw,72px) 20px;background:radial-gradient(circle at 12% 10%,rgba(239,63,63,.1),transparent 29%),radial-gradient(circle at 88% 86%,rgba(33,35,52,.08),transparent 31%),#f7f8fa}.phone-link-content{width:min(100%,680px);margin:0 auto}.phone-link-card{padding:clamp(24px,5vw,44px)}.phone-link-hero-icon{width:74px!important;height:74px!important;margin:0 auto;color:#fff!important;background:linear-gradient(145deg,#ef3f3f,#c92929)!important;box-shadow:0 14px 32px #ef3f3f47}@media(max-width:1100px){.app-shell{grid-template-columns:260px minmax(0,1fr)}.diagnostics{display:none}}@media(max-width:760px){.app-shell{display:block;padding-top:68px}.sidebar{border-right:0;border-bottom:1px solid #e7e8ec;padding:16px}.conversation-panel{min-height:70vh}.message-scroll{padding:18px 14px;min-height:460px}.message-bubble{max-width:88%}}