:root{color-scheme:light;--bg:#f3f6fb;--panel:#ffffff;--line:#e5eaf2;--text:#0f172a;--muted:#64748b;--accent:#2563eb;--danger:#dc2626;--inbound:#ffffff;--outbound:#dbeafe}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100%}body{font-family:Inter,Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}button,textarea,input,select{font:inherit}.layout{min-height:100vh;display:grid;grid-template-columns:280px 1fr}.sidebar{background:#0f172a;color:#fff;padding:24px 18px;border-right:1px solid rgba(255,255,255,.08)}.brand{display:flex;align-items:center;gap:14px;margin-bottom:28px}.brand__badge{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2563eb,#1d4ed8);font-weight:800;letter-spacing:.08em}.brand__title{font-weight:700;font-size:18px}.brand__subtitle{color:#ffffffa6;font-size:13px;margin-top:4px}.menu{display:flex;flex-direction:column;gap:10px}.menu__item{text-align:left;border:0;border-radius:14px;padding:14px 16px;background:transparent;color:#fff;cursor:pointer}.menu__item--active{background:#2563eb33;color:#dbeafe}.menu__item:disabled{opacity:.45;cursor:not-allowed}.content{padding:28px}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.topbar h1{margin:0 0 8px;font-size:34px;line-height:1.1}.topbar p{margin:0;color:var(--muted);font-size:15px}.topbar__actions{display:flex;gap:10px;align-items:center}.topbar__select{border:1px solid var(--line);border-radius:14px;background:#fff;padding:12px 14px}.refresh{border:0;border-radius:14px;background:var(--accent);color:#fff;padding:12px 18px;cursor:pointer;box-shadow:0 10px 24px #2563eb38}.workspace{display:grid;grid-template-columns:380px 1fr;gap:18px;min-height:72vh}.list-panel,.chat-panel{background:var(--panel);border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 35px #0f172a0f;overflow:hidden}.panel__header{padding:18px 20px;border-bottom:1px solid var(--line);color:var(--muted)}.conversation-list{padding:14px;display:flex;flex-direction:column;gap:12px;max-height:72vh;overflow:auto}.conversation-card{width:100%;text-align:left;border:1px solid var(--line);border-radius:18px;background:#fff;padding:14px;cursor:pointer}.conversation-card--active{border-color:#93c5fd;box-shadow:0 0 0 3px #2563eb1f}.conversation-card__top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.conversation-card__status{color:var(--muted);font-size:12px;font-weight:700}.conversation-card__id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;margin-bottom:8px;word-break:break-all}.conversation-card__meta{color:var(--muted);font-size:13px;margin-top:4px}.chat-panel{display:grid;grid-template-rows:auto 1fr auto}.chat-header{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.chat-header__title{font-size:18px;font-weight:700;margin-bottom:6px}.chat-header__meta{color:var(--muted);font-size:14px}.contact-box{min-width:320px;max-width:360px;border:1px solid var(--line);border-radius:18px;padding:14px;background:#f8fafc}.contact-box__title{font-weight:700;margin-bottom:10px}.contact-box__row{margin-top:6px;font-size:14px}.contact-box__muted{color:var(--muted);word-break:break-all}.contact-box__input{width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-top:8px;background:#fff}.contact-box__button{margin-top:10px;width:100%;border:0;border-radius:12px;background:var(--accent);color:#fff;padding:11px 14px;cursor:pointer}.contact-box__empty{color:var(--muted);font-size:14px}.chat-messages{padding:18px;overflow:auto;background:#f8fafc;display:flex;flex-direction:column;gap:12px}.bubble{max-width:72%;padding:12px 14px;border-radius:18px;border:1px solid var(--line);background:var(--inbound)}.bubble--inbound{align-self:flex-start}.bubble--outbound{align-self:flex-end;background:var(--outbound);border-color:#bfdbfe}.bubble__author{color:var(--muted);font-size:12px;margin-bottom:6px}.bubble__text{font-size:15px;line-height:1.45;white-space:pre-wrap}.composer{border-top:1px solid var(--line);padding:14px;display:grid;grid-template-columns:1fr 150px;gap:12px;background:#fff}.composer__input{width:100%;min-height:88px;resize:vertical;border:1px solid var(--line);border-radius:14px;padding:12px 14px;outline:none}.composer__send{border:0;border-radius:14px;background:var(--accent);color:#fff;cursor:pointer}.channel{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700;background:#eef2ff;color:#3730a3}.channel--webchat{background:#dbeafe;color:#1d4ed8}.channel--telegram{background:#e0f2fe;color:#0369a1}.channel--vk{background:#e0e7ff;color:#4338ca}.channel--max{background:#ede9fe;color:#6d28d9}.state{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px;margin:14px}.state--error{color:var(--danger);border-color:#fecaca;background:#fef2f2;margin-bottom:18px}@media (max-width: 1320px){.chat-header{flex-direction:column}.contact-box{min-width:100%;max-width:none}}@media (max-width: 1180px){.workspace{grid-template-columns:1fr}.conversation-list{max-height:none}.chat-panel{min-height:70vh}}@media (max-width: 960px){.layout{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}.content{padding:18px}.topbar{flex-direction:column}.topbar__actions{width:100%;flex-direction:column;align-items:stretch}.composer{grid-template-columns:1fr}.bubble{max-width:100%}}