:root{color-scheme:light;--bg:#F4F3EF;--surface:#fff;--ink:#17191D;--muted:#565D66;--line:#D8DBDF;--field:#EFEFEC;--pink:#B80064;--brand:#E5007D;--steel:#9AA0A6;--own:#F6E9F0;font-family:Inter,Arial,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#14161A;--surface:#1E2126;--ink:#F4F3EF;--muted:#B7BDC6;--line:#363C45;--pink:#FF4FA5;--field:#292C31;--own:#34202E}}
:root[data-theme=dark]{color-scheme:dark;--bg:#14161A;--surface:#1E2126;--ink:#F4F3EF;--muted:#B7BDC6;--line:#363C45;--pink:#FF4FA5;--field:#292C31;--own:#34202E}
*{box-sizing:border-box}body{margin:0}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 32px;background:var(--bg);border-bottom:1px solid var(--line)}.brand-block{flex-shrink:0}.brand-line{display:flex;align-items:center;gap:12px}.brand-line i{width:19px;height:19px;background:var(--brand);display:block}.brand-line strong{font-size:32px;font-weight:900;letter-spacing:-1.6px;line-height:1.15}.brand-owner{display:block;font-size:9px;font-weight:600;letter-spacing:3px;margin-top:9px}.header-tools{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.header-tools>span{font-size:12px;color:var(--muted)}.header-tools button{font-size:11px;min-height:36px}
main{max-width:1440px;margin:auto;padding:24px 32px}h1{font-size:28px;font-weight:800;letter-spacing:-.8px;margin:0 0 14px}h2{font-size:19px;font-weight:750;letter-spacing:-.35px;margin:0 0 12px}p{margin:0 0 18px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:2px;padding:24px}.login-panel{max-width:460px;margin:45px auto}.login-panel h1{font-size:34px}.login-panel p{font-size:14px;color:var(--muted)}form{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;padding:11px 12px;background:var(--field);color:var(--ink);border:1px solid var(--line);border-radius:2px}textarea{resize:vertical;min-height:85px}button{cursor:pointer;min-height:44px;padding:10px 16px;border:1px solid var(--ink);background:var(--ink);color:var(--bg);border-radius:2px;font-weight:700;font-size:13px;align-self:flex-start}button:hover{border-color:var(--pink)}button:disabled{cursor:default;opacity:.45}.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.danger{background:transparent;color:var(--ink);border-color:var(--line)}.danger:hover{color:var(--pink);border-color:var(--pink)}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--pink);outline-offset:3px}[hidden]{display:none!important}
.notice{padding:12px 16px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--pink);border-radius:0;margin-bottom:22px;overflow-wrap:anywhere;font-size:13px}.notice.error{border-color:var(--pink)}.session-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;font-size:13px}.session-bar button{min-height:36px}.tabs{display:flex;gap:24px;margin-bottom:24px;border-bottom:1px solid var(--line)}.tabs button{background:transparent;color:var(--ink);border:0;border-bottom:3px solid transparent;border-radius:0;padding:12px 0;margin-bottom:-1px}.tabs button[aria-pressed=true]{border-bottom-color:var(--pink)}
.messenger{display:grid;grid-template-columns:minmax(240px,310px) minmax(0,1fr);gap:0;border:1px solid var(--line)}.messenger>.panel{border:0}.conversation-panel{border-right:1px solid var(--line)!important;background:var(--bg)}.conversation-panel h1{font-size:21px}.conversation-panel>button{font-size:11px;min-height:36px}.conversation-list{display:flex;flex-direction:column;gap:0;margin:20px -24px 26px}.conversation-list button{width:100%;text-align:left;overflow-wrap:anywhere;background:transparent;color:var(--ink);border:0;border-bottom:1px solid var(--line);border-left:3px solid transparent;border-radius:0;min-height:55px;padding:14px 21px}.conversation-list button[aria-current=true]{background:var(--surface);border-left-color:var(--pink)}.hint{font-size:12px;color:var(--muted);line-height:1.7}.chat-panel{min-width:0}.chat-panel>h2{font-size:23px}.message-list{height:390px;overflow:auto;overscroll-behavior:contain;background:var(--bg);border:1px solid var(--line);border-radius:0;padding:20px;margin:18px 0;display:flex;flex-direction:column;gap:14px}.message{background:var(--surface);border:1px solid var(--line);padding:14px 16px;border-radius:2px;max-width:88%;overflow-wrap:anywhere;align-self:flex-start}.message.own{background:var(--own);border-right:2px solid var(--pink);align-self:flex-end}.message p{white-space:pre-wrap;margin:7px 0;font-size:15px;line-height:1.6}.message small{font-size:10px;color:var(--muted)}.message strong{font-size:12px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.admin-item{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:12px 0;overflow-wrap:anywhere}.admin-item div{min-width:0}.admin-item button{font-size:11px;min-height:38px;flex-shrink:0}.admin-item small{display:block;color:var(--muted);font-size:12px}.panel h2:not(:first-child){margin-top:24px}#membership-list{margin:15px 0}#chat-status{min-height:24px;margin-bottom:10px}.retry-row{border:1px solid var(--pink);background:var(--field);border-radius:0;padding:12px;margin-bottom:10px}.retry-row p{margin-bottom:8px}.retry-row button{font-size:12px}
@media(max-width:760px){main{padding:18px 14px}.site-header{padding:18px 14px;align-items:flex-start;flex-wrap:wrap;gap:16px}.brand-line strong{font-size:29px}.header-tools{gap:10px;justify-content:space-between;width:100%}.header-tools>span{font-size:10px}.messenger,.admin-grid{grid-template-columns:1fr}.conversation-panel{border-right:0!important;border-bottom:1px solid var(--line)!important}.conversation-list{max-height:185px;overflow:auto;margin-left:-16px;margin-right:-16px}.conversation-list button{padding-left:13px}.message-list{height:330px;padding:12px}.panel{padding:16px}.session-bar{font-size:12px}.message{max-width:95%}.tabs{gap:20px}.tabs button{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.header-tools button,.session-bar button,.conversation-panel>button,.admin-item button{min-height:44px}.message p{font-size:17px}.hint{font-size:15px}