:root{--bg:#f6f7f2;--panel:#ffffff;--ink:#171a1f;--muted:#667085;--line:#dfe3dc;--brand:#0f8b6f;--brand-strong:#09644f;--accent:#f3b23d;--danger:#c24136;--soft:#e9f5f1}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}button,input,select{font:inherit}button{border:0;cursor:pointer}button:disabled,input:disabled{cursor:not-allowed;opacity:.62}button:focus-visible,input:focus-visible{outline:3px solid rgba(15,139,111,.28);outline-offset:2px}.app-shell{display:grid;grid-template-columns:244px minmax(0,1fr);min-height:100vh}.sidebar{background:#12231f;color:#eef8f5;padding:22px 18px}.brand{display:flex;gap:10px;align-items:center;font-size:18px;font-weight:700;margin-bottom:28px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:var(--brand)}.nav{display:grid;gap:8px}.nav button{display:flex;gap:10px;align-items:center;min-height:42px;color:#d8e7e2;background:transparent;border-radius:8px;padding:0 12px;text-align:left}.nav button.active,.nav button:hover{background:rgba(255,255,255,.09);color:#ffffff}.main{display:grid;grid-template-rows:auto minmax(0,1fr);min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;gap:14px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.75);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.workspace{min-width:0;padding:24px}.grid{display:grid;gap:16px}.grid.inbox{grid-template-columns:minmax(280px,380px) minmax(0,1fr);height:calc(100vh - 118px)}.card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px}.panel{min-height:0;overflow:hidden}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;border-bottom:1px solid var(--line)}.panel-title{font-size:16px;font-weight:700}.conversation-list{display:grid;max-height:calc(100vh - 190px);overflow:auto}.conversation-item{display:grid;gap:6px;padding:14px 16px;background:#fff;border-bottom:1px solid var(--line);text-align:left;color:var(--ink)}.conversation-item.active{background:var(--soft)}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.row,.row>*{min-width:0}.muted{color:var(--muted);font-size:13px}.badge{display:inline-flex;align-items:center;min-height:24px;padding:0 8px;border-radius:999px;background:#eef2f0;color:#34403c;font-size:12px;font-weight:700}.badge.green{background:#dff5ea;color:#166534}.badge.amber{background:#fff1cc;color:#8a5a00}.filter-bar{display:flex;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);overflow-x:auto}.filter-bar button{min-height:34px;padding:0 12px;border-radius:999px;background:#eef2f0;color:#34403c;font-weight:700;white-space:nowrap}.filter-bar button.active{background:var(--brand);color:#fff}.thread{display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:100%}.messages{display:flex;flex-direction:column;gap:10px;padding:18px;overflow:auto}.bubble{max-width:min(620px,76%);padding:10px 12px;border-radius:8px;background:#eef2f0;line-height:1.45}.bubble.out{align-self:flex-end;background:#d9f4ec}.composer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:14px;border-top:1px solid var(--line)}.input{width:100%;border:1px solid var(--line);padding:0 12px;background:#fff}.button,.input{min-height:42px;border-radius:8px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 14px;background:var(--brand);color:#fff;font-weight:700;white-space:nowrap}.button.secondary{background:#edf2ef;color:#23302c}.button.danger{background:var(--danger)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.card{padding:16px}.state-block{display:flex;align-items:flex-start;gap:12px;min-height:88px;padding:18px;background:var(--panel);border-bottom:1px solid var(--line)}.cards>.state-block{grid-column:1/-1;border:1px solid var(--line);border-radius:8px}.thread>.state-block{align-self:stretch;border:0}.state-icon{display:grid;flex:0 0 auto;place-items:center;width:36px;height:36px;border-radius:8px;background:var(--soft);color:var(--brand-strong)}.inline-alert{display:flex;align-items:center;gap:8px;margin:12px 16px 0;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#f9fbfa;color:#34403c;font-size:13px}.inline-alert.danger{border-color:rgba(194,65,54,.25);background:#fff5f4;color:var(--danger)}.login-panel .inline-alert{margin:0}.toolbar-row{flex:1 1 360px;max-width:520px}.card-action,.qr-frame{margin-top:12px}.qr-frame{display:grid;place-items:center;padding:12px;border:1px dashed var(--line);border-radius:8px;background:#f9fbfa}.qr-frame img{width:220px;max-width:100%;height:auto}.checklist{display:grid}.checklist-item{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;padding:14px 16px;border-top:1px solid var(--line)}.checklist-item:first-child{border-top:0}.check-icon{color:var(--accent)}.check-icon.done{color:var(--brand)}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.login{min-height:100vh;display:grid;place-items:center;padding:20px}.login-panel{width:min(420px,100%);padding:24px;background:#fff;border:1px solid var(--line);border-radius:8px}.form{display:grid;gap:12px}@media (max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:2;padding:12px}.brand{margin-bottom:10px}.nav{grid-template-columns:repeat(auto-fit,minmax(58px,1fr))}.nav button{justify-content:center;padding:0}.nav span{display:none}.grid.inbox{grid-template-columns:1fr;height:auto}.topbar,.workspace{padding:14px}.panel-header,.topbar{align-items:flex-start}.panel-header{flex-direction:column}.panel-header>.row,.toolbar-row{width:100%}.toolbar-row{flex-direction:column;max-width:none}.thread{min-height:560px}.conversation-list{max-height:none}.cards,.composer{grid-template-columns:1fr}}@media (max-width:520px){.topbar{flex-direction:column}.topbar .button{width:100%}.row{align-items:flex-start;flex-wrap:wrap}.bubble{max-width:100%}.button{width:100%}.nav button{min-height:46px}}