:root{color-scheme:dark;--bg: #0b141a;--panel: #111b21;--panel2: #0f1a20;--border: #1f2c33;--text: #e9edef;--muted: #8696a0;--green: #00a884;--green2: #008069;--danger: #ff6b6b}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}input,button{font:inherit}button{cursor:pointer}.auth{min-height:100vh;display:grid;place-items:center;padding:24px}.authCard{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--border);border-radius:14px;overflow:hidden}.authHeader{padding:18px 18px 0}.authHeader h1{margin:0 0 12px;font-size:20px}.authTabs{display:flex;gap:8px;padding-bottom:12px}.tab{flex:1;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text);padding:10px}.tab.active{background:var(--panel2);border-color:#2a3b44}.authForm{display:grid;gap:12px;padding:18px}.field{display:grid;gap:8px}.field span{color:var(--muted);font-size:12px}.field input{border-radius:10px;border:1px solid var(--border);background:#0b141a;color:var(--text);padding:12px}.primary{background:var(--green);color:#062a24;border:0;border-radius:10px;padding:12px;font-weight:700}.primary:disabled{opacity:.6;cursor:not-allowed}.ghost{background:transparent;border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px 12px}.error{color:var(--danger);border:1px solid rgba(255,107,107,.25);background:#ff6b6b0f;padding:10px;border-radius:10px}.error.small{padding:6px 8px;font-size:12px}.layout{height:100vh;display:grid;grid-template-columns:360px 1fr;overflow:hidden}.toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2000;border:1px solid rgba(0,168,132,.55);background:#00a884eb;color:#04110e;padding:10px 12px;border-radius:12px;font-weight:800;font-size:13px;box-shadow:0 14px 34px #00a88440;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.toast:hover{background:#00a884fa;border-color:#00a884bf}.sidebar{background:var(--panel);border-right:1px solid var(--border);display:grid;grid-template-rows:auto auto 1fr;min-width:320px}.meRow{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid var(--border)}.meText{display:grid;gap:2px}.meName{font-weight:700}.meId{color:var(--muted);font-size:12px}.searchBox{padding:14px;border-bottom:1px solid var(--border);display:grid;gap:10px}.searchBox input{border-radius:10px;border:1px solid var(--border);background:#0b141a;color:var(--text);padding:10px 12px}.results{border:1px solid var(--border);border-radius:10px;overflow:hidden}.resultRow{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;cursor:pointer;border-bottom:1px solid var(--border)}.userActions{position:relative;display:grid;place-items:center}.userActionsTiny{transform:translateY(-3px)}.menuBtnTiny{width:28px;height:28px;border-radius:10px}.userActionsTiny .msgMenu{top:26px}.resultRow:hover{background:#ffffff0a}.resultRow:focus-visible{outline:2px solid rgba(0,168,132,.45);outline-offset:2px}.resultRow:last-child{border-bottom:0}.resultText{min-width:0}.resultName{font-weight:700}.resultId{color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis}.smallBtn{border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text);padding:8px 10px}.smallBtn:hover{border-color:#2a3b44;background:#ffffff08}.smallBtn:active{transform:translateY(1px)}.ghost:hover{border-color:#2a3b44;background:#ffffff08}.unreadDot{width:10px;height:10px;border-radius:999px;background:var(--green);box-shadow:0 0 0 3px #00a88426}.contacts{padding:12px;overflow:auto}.sectionTitle{color:var(--muted);font-size:12px;margin-bottom:10px}.contact{width:100%;text-align:left;display:grid;gap:4px;padding:12px;border-radius:12px;border:1px solid transparent;background:transparent;color:var(--text)}.contactTop{display:flex;align-items:center;justify-content:space-between;gap:10px}.contact:hover{background:#ffffff08}.contact.active{border-color:var(--border);background:#00a88414}.contactName{font-weight:700}.onlineBadge{display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:900;letter-spacing:.2px;color:#04110e;background:#00a884f2;border:1px solid rgba(0,168,132,.6)}.offlineBadge{display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:900;letter-spacing:.2px;color:#fffc;background:#ffffff14;border:1px solid rgba(255,255,255,.14)}.contactId{color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis}.chat{display:grid;grid-template-rows:auto 1fr auto;min-height:0}.chatHeader{padding:14px 18px;border-bottom:1px solid var(--border);background:var(--panel)}.chatHeaderTop{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.chatHeaderInfo{min-width:0}.chatHeaderActions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}.selectionBar{margin-top:10px;display:flex;align-items:center;justify-content:flex-start;gap:10px;flex-wrap:wrap}.selectionText{color:var(--muted);font-size:12px;font-weight:700}.chatTitle{font-weight:800}.chatSub{color:var(--muted);font-size:12px;margin-top:2px}.chatBody{background:linear-gradient(180deg,#0b141a,#0a1217);overflow:hidden;padding:16px;min-height:0;display:flex;flex-direction:column}.hint{color:var(--muted);padding:14px}.messages{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;width:100%;display:flex;flex-direction:column;gap:10px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.18) transparent}.messages:before{content:"";display:block;flex:1 0 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#00000059;z-index:20}.msgMenu.toLeft{right:0}.msgMenu.toRight{left:0}.modalOverlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:grid;place-items:center;padding:16px;z-index:1000}.modal{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:16px}.modalTitle{font-weight:800;margin-bottom:10px}.modalText{color:var(--text);opacity:.92}.selectedHeader{display:flex;align-items:center;justify-content:flex-start;gap:8px;flex-wrap:nowrap}.selectedHeader .modalText{flex:0 0 auto;white-space:nowrap}.chevronBtn{flex:0 0 auto;border:1px solid var(--border);background:transparent;color:var(--text);width:34px;height:30px;border-radius:10px;display:grid;place-items:center;padding:0}.chevronBtn:hover{border-color:#2a3b44;background:#ffffff08}.selectedList{margin-top:10px;border:1px solid var(--border);border-radius:12px;overflow:hidden}.selectedList 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var(--border);background:#ffffff05;border-radius:12px;padding:10px}.uploadBarText{color:var(--muted);font-size:12px;font-weight:800;margin-bottom:8px}.uploadBarTrack{height:8px;border-radius:999px;background:#ffffff0f;overflow:hidden}.uploadBarFill{height:100%;background:var(--green)}.inputRow{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center}.chatInput input{border-radius:10px;border:1px solid var(--border);background:#0b141a;color:var(--text);padding:10px 12px}.fileInput{display:none}.clipBtn{border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--text);width:44px;height:40px}.clipBtn:hover{border-color:#2a3b44;background:#ffffff08}.clipBtn:disabled{opacity:.6;cursor:not-allowed}.pendingFiles{display:grid;gap:8px}.pendingFile{display:grid;grid-template-columns:56px 1fr auto;gap:10px;align-items:center;padding:10px;border-radius:12px;border:1px solid var(--border);background:#ffffff05}.pendingThumb{width:56px;height:56px;border-radius:10px;object-fit:cover;border:1px solid rgba(255,255,255,.08)}.pendingIcon{width:56px;height:56px;border-radius:10px;display:grid;place-items:center;background:#ffffff08;color:var(--muted);border:1px solid rgba(255,255,255,.08);font-size:12px;font-weight:800}.pendingMeta{min-width:0}.pendingName{font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pendingSize{color:var(--muted);font-size:12px}.pendingRemove{border:0;background:transparent;color:var(--muted);width:32px;height:32px;border-radius:10px}.pendingRemove:hover{background:#ffffff0d;color:var(--text)}.attachments{display:grid;gap:8px;margin-top:10px}.attImage img{width:100%;max-width:340px;border-radius:12px;display:block;border:1px solid rgba(255,255,255,.08)}.attVideo video{width:100%;max-width:360px;border-radius:12px;display:block;border:1px solid rgba(255,255,255,.08)}.attCaption{display:inline-block;margin-top:6px;color:var(--muted);font-size:12px;text-decoration:none}.attCaption:hover{color:var(--text);text-decoration:underline}.attFile{display:grid;gap:2px;padding:10px 12px;border-radius:12px;border:1px solid rgba(255,255,255,.08);background:#ffffff05;color:var(--text);text-decoration:none}.attFile:hover{background:#ffffff0d}.attFileName{font-weight:800}.attFileMeta{color:var(--muted);font-size:12px}@media (max-width: 900px){.layout{grid-template-columns:1fr}.sidebar{display:none}}