:root{--bg:#0f1220;--panel:#171b2e;--line:#262b45;--fg:#e8eaf6;--muted:#8b90b0;--acc:#6c8cff;--stepan:#2b3a7a;--botya:#1f4d3a;--astra:#4d2a5c}
*{box-sizing:border-box}html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--fg);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.muted{color:var(--muted);font-size:.85em}.ok::before{content:"● ";color:#4caf7a}.bad::before{content:"● ";color:#e05a5a}
.login{min-height:100%;display:grid;place-items:center;padding:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;width:100%;max-width:340px;display:flex;flex-direction:column;gap:12px}
.card h1{margin:0;font-size:1.4em}.err{color:#ff8a8a;margin:0}
input,textarea,button{font:inherit;color:inherit}
input[type=password],textarea{background:#0c0f1c;border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%;outline:none}
input:focus,textarea:focus{border-color:var(--acc)}
button{background:var(--acc);border:0;border-radius:10px;padding:10px 14px;color:#fff;cursor:pointer}button:disabled{opacity:.5}
button.ghost{background:transparent;border:1px solid var(--line);padding:6px 10px;font-size:.85em}
.app{height:100dvh;display:flex;flex-direction:column;max-width:900px;margin:0 auto}
header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--panel)}
header form{margin:0}
#messages{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:8px}
.msg{max-width:min(80%,620px);padding:8px 12px;border-radius:14px;background:var(--panel);border:1px solid var(--line);align-self:flex-start;word-wrap:break-word;overflow-wrap:anywhere}
.msg.mine{align-self:flex-end}
.a-stepan{background:var(--stepan)}.a-botya{background:var(--botya)}.a-astra{background:var(--astra)}
.meta{display:flex;gap:8px;font-size:.78em;color:var(--muted);margin-bottom:2px}.who{font-weight:600;color:#cfd4ff}
.text{white-space:pre-wrap}
.thumb{display:block;max-width:100%;max-height:260px;border-radius:8px;margin-top:6px}
a.file{display:inline-block;margin-top:6px;color:#bcd0ff;text-decoration:none;font-size:.9em}a.file:hover{text-decoration:underline}
#composer{display:flex;gap:8px;align-items:flex-end;padding:10px;border-top:1px solid var(--line);background:var(--panel);padding-bottom:max(10px,env(safe-area-inset-bottom))}
.inputwrap{flex:1;display:flex;flex-direction:column;gap:4px}textarea{resize:none;max-height:160px}
.attach{font-size:1.4em;cursor:pointer;padding:6px}.chip{font-size:.8em;color:var(--muted);cursor:pointer}
#send{padding:10px 16px}
@media (max-width:600px){.msg{max-width:92%}}
.call{white-space:nowrap;align-self:center}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:#262b45;color:#fff;padding:10px 16px;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.4);z-index:10;font-size:.9em}
@media (max-width:520px){.call{padding:6px 8px;font-size:.78em}}
.hdr-actions{display:flex;gap:8px;align-items:center}
.shelf{position:fixed;top:0;right:0;bottom:0;width:min(380px,100%);background:var(--panel);border-left:1px solid var(--line);z-index:20;display:flex;flex-direction:column;box-shadow:-6px 0 24px rgba(0,0,0,.4)}
.shelf[hidden]{display:none}
.shelf-head{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.shelf-drop{margin:12px;padding:12px;border:2px dashed var(--line);border-radius:12px;text-align:center;display:flex;flex-direction:column;gap:8px}
.shelf-drop p{margin:0}.shelf-drop.over{border-color:var(--acc);background:#1c2240}
.shelf-pick{background:var(--acc);color:#fff;border-radius:10px;padding:8px 12px;cursor:pointer;align-self:center}
.shelf-drop input[type=text]{background:#0c0f1c;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:inherit;font:inherit}
.shelf-list{overflow-y:auto;padding:0 12px 12px;display:flex;flex-direction:column;gap:8px;flex:1}
.shelf-item{border:1px solid var(--line);border-radius:12px;padding:8px 10px;background:#12162a}
.shelf-item .nm{word-break:break-all;color:#cfd4ff;text-decoration:none;font-weight:600}
.shelf-item .sub{font-size:.78em;color:var(--muted)}.shelf-item .note{font-size:.88em;margin-top:2px}
.shelf-item .row2{display:flex;justify-content:space-between;align-items:center;gap:6px;margin-top:4px}
.shelf-item button{padding:3px 8px;font-size:.78em}
.avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;flex:none;border:1px solid var(--line);background:#0c0f1c}
.avatar.sm{width:20px;height:20px;vertical-align:middle;margin-right:5px}.avatar.hdr{width:30px;height:30px;vertical-align:middle;margin-right:6px}
.meta{align-items:center}.shelf-item .sub{display:flex;align-items:center}
.shelf-tabs{display:flex;gap:6px;padding:0 12px 8px}.shelf-tabs .active{border-color:var(--acc);color:#fff}
.shelf-item.trashed{opacity:.75}.shelf-item .acts{display:flex;gap:4px}
.shelf-drop[hidden]{display:none}
@media (max-width:520px){.call .pz{display:none}#composer{gap:5px}.call{padding:6px 7px}}
.sysline{align-self:center;font-size:.78em;color:var(--muted);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;padding:3px 12px;margin:2px 0;text-align:center;max-width:90%}