:root{color:#202832;--bg:#edf1f4;--surface:#fbfcfd;--surface-soft:#f4f7f8;--line:#d7e0e6;--line-strong:#c8d4dc;--text:#202832;--muted:#6e7a84;--accent:#247f94;--accent-dark:#196477;--accent-soft:#e0f2f4;--success:#4f965f;--warn:#b76b26;--danger:#b94a3e;--other-bubble:#fff6e8;--own-bubble:#dff4f1;--shadow-sm:0 4px 14px #1c27320f;--shadow-md:0 14px 38px #1c27321a;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#edf1f4;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:linear-gradient(180deg, #ffffff9e, #fff0 260px), var(--bg);min-width:1100px;min-height:100vh;margin:0;font-size:14px}button,input,textarea{font:inherit}button{cursor:pointer;border:0}button:disabled{cursor:not-allowed;opacity:.55}.login-page,.loading-page{background:linear-gradient(140deg, #247f941f, transparent 34%), linear-gradient(320deg, #b76b261a, transparent 42%), var(--bg);place-items:center;min-height:100vh;display:grid}.loading-page{font-size:26px;font-weight:750}.login-panel{width:420px;box-shadow:var(--shadow-md);background:#fbfcfdeb;border:1px solid #c8d4dce6;border-radius:8px;padding:34px}.login-panel h1{letter-spacing:0;margin:0;font-size:32px}.login-panel p{color:#66727d;margin:8px 0 28px}.mode-switch{background:#e8eef2;border-radius:8px;grid-template-columns:1fr 1fr;gap:4px;margin:0 0 22px;padding:4px;display:grid}.mode-switch button{color:#52606d;background:0 0;border-radius:6px;height:38px;font-weight:750}.mode-switch button.active{color:#1d252f;background:#fff;box-shadow:0 3px 10px #141e2814}.hint-line{border:1px solid var(--line);background:var(--surface-soft);color:var(--muted);border-radius:6px;margin:-8px 0 18px;padding:10px 12px;font-size:13px;line-height:1.5}.login-panel label{color:#4b5864;gap:8px;margin-bottom:18px;font-size:13px;font-weight:650;display:grid}.login-panel input{border:1px solid var(--line-strong);height:44px;color:var(--text);background:#fff;border-radius:6px;outline:none;padding:0 12px}.login-panel input:focus,.composer textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #247f9424}.primary-button{background:var(--accent);color:#fff;border-radius:6px;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:0 16px;font-weight:750;transition:background .14s,transform .14s,box-shadow .14s;display:inline-flex;box-shadow:0 8px 18px #247f942e}.primary-button:hover:not(:disabled){background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 24px #247f9438}.error-line,.composer-notice{color:#ad3327;background:#fff1ef;border:1px solid #f0c7c1;border-radius:6px;margin-bottom:14px;padding:9px 11px;font-size:13px}.board-page{background:linear-gradient(180deg, #ffffff6b, #fff0 240px), var(--bg);grid-template-rows:122px 1fr 178px;height:100vh;display:grid;position:relative}.top-region{background:#fbfcfdf0;border-bottom:1px solid #c8d4dcd1;grid-template-rows:76px 46px;display:grid;box-shadow:0 8px 22px #1f2a360d}.topbar{grid-template-columns:1fr 280px 360px auto;align-items:center;gap:26px;padding:0 34px;display:grid}.topbar h1{letter-spacing:0;margin:0;font-size:21px;line-height:1}.topbar h1+span{color:var(--muted);margin-top:7px;font-size:13px;font-weight:650;display:inline-block}.storage{gap:7px;display:grid}.storage-label{color:var(--muted);justify-content:space-between;font-size:11px;font-weight:700;display:flex}.storage-track{background:#dce5eb;border-radius:999px;height:7px;overflow:hidden}.storage-track div{background:linear-gradient(90deg, var(--accent), var(--success));height:100%}.top-search{border:1px solid var(--line-strong);background:var(--surface-soft);height:38px;color:var(--muted);border-radius:6px;grid-template-columns:22px 1fr 30px;align-items:center;gap:6px;padding:0 6px 0 11px;display:grid}.top-search input{min-width:0;color:var(--text);background:0 0;border:0;outline:0;font-size:13px}.top-search button{width:30px;height:30px;color:var(--muted);background:0 0;border-radius:5px;justify-content:center;align-items:center;display:inline-flex}.top-search button:hover{color:var(--text);background:#e5edf1}.filterbar{border-top:1px solid #dee5ebb8;align-items:center;gap:8px;padding:0 34px;display:flex}.filterbar button{color:#5c6872;background:0 0;border-radius:6px;align-items:center;gap:7px;height:30px;padding:0 11px;font-size:12px;font-weight:800;transition:background .14s,color .14s,box-shadow .14s;display:inline-flex}.filterbar button span{color:#65717d;background:#60717d1f;border-radius:999px;justify-content:center;align-items:center;min-width:20px;height:18px;padding:0 6px;font-size:11px;display:inline-flex}.filterbar button:hover{color:var(--text);background:#e9f0f3}.filterbar button.active{background:var(--accent-soft);color:var(--accent-dark);box-shadow:inset 0 0 0 1px #247f942e}.filterbar button.active span{color:var(--accent-dark);background:#247f9426}.top-actions,.composer-actions,.bubble-actions{align-items:center;gap:10px;display:flex}.top-actions button,.composer-actions button,.bubble-actions button{color:#35424e;background:#e8eef2;border-radius:6px;justify-content:center;align-items:center;gap:7px;min-height:36px;padding:0 12px;transition:background .14s,color .14s,transform .14s;display:inline-flex}.top-actions button:hover,.composer-actions button:hover,.bubble-actions button:hover{background:#dbe6ec;transform:translateY(-1px)}.workspace{grid-template-columns:286px minmax(0,1fr);min-height:0;display:grid;overflow:hidden}.message-list{background:linear-gradient(180deg, #ffffff75, #fff0 220px), radial-gradient(circle at 1px 1px, #7a8b971c 1px, transparent 0) 0 0 / 22px 22px, var(--bg);min-height:0;padding:28px 46px 34px;overflow-y:auto}.member-panel{background:linear-gradient(#ffffffc2,#ffffff61),#f5f8fa;border-right:1px solid #c8d4dcd1;min-height:0;padding:20px 18px;overflow-y:auto;box-shadow:inset -8px 0 18px #1f2a3608}.member-panel-header{border-bottom:1px solid var(--line);color:var(--text);justify-content:space-between;align-items:center;gap:14px;padding-bottom:16px;display:flex}.member-panel-header div{gap:4px;min-width:0;display:grid}.member-panel-header strong{font-size:16px;font-weight:850}.member-panel-header span{color:var(--muted);font-size:12px;font-weight:700}.member-panel-header svg{color:var(--accent)}.member-section{margin-top:18px}.member-section-title{color:#60707d;margin:0 0 10px;font-size:11px;font-weight:850}.member-item{box-shadow:var(--shadow-sm);background:#ffffffb8;border:1px solid #d2dce3d6;border-radius:8px;grid-template-columns:34px minmax(0,1fr) 8px;align-items:center;gap:10px;margin-bottom:8px;padding:10px;display:grid}.member-item.compact{box-shadow:none;background:#ffffff80;padding:8px 10px}.member-item.self{background:var(--accent-soft);border-color:#247f9442}.member-avatar{color:#304353;background:#e6edf2;border-radius:8px;place-items:center;width:34px;height:34px;font-size:13px;font-weight:900;display:grid}.member-item.self .member-avatar{background:var(--accent);color:#fff}.member-item div{gap:3px;min-width:0;display:grid}.member-item strong,.member-item small{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.member-item strong{color:var(--text);font-size:13px;font-weight:850}.member-item small{color:var(--muted);font-size:11px;font-weight:700}.member-item i{background:var(--success);border-radius:999px;width:8px;height:8px;box-shadow:0 0 0 3px #4f965f24}.member-empty{border:1px dashed var(--line-strong);color:var(--muted);background:#ffffff6b;border-radius:8px;padding:14px 12px;font-size:12px;font-weight:700}.empty-state{color:#7b8792;place-content:center;justify-items:center;gap:12px;height:100%;display:grid}.empty-state.compact{height:260px}.history-loader{border:1px solid var(--line);width:fit-content;color:var(--muted);background:#fbfcfdd1;border-radius:999px;margin:0 auto 18px;padding:7px 13px;font-size:11px;font-weight:750}.search-results{width:min(880px,76vw);margin:0 auto}.search-summary{color:#344250;justify-content:space-between;align-items:baseline;gap:16px;margin:0 0 14px;font-size:13px;font-weight:800;display:flex}.search-summary small{color:#75828e;font-size:11px;font-weight:700}.search-result{width:100%;color:var(--text);text-align:left;box-shadow:var(--shadow-sm);background:#fbfcfde6;border:1px solid #cfdbe3e6;border-radius:8px;grid-template-columns:56px 1fr;gap:14px;margin:0 0 10px;padding:14px;transition:border-color .14s,box-shadow .14s,transform .14s;display:grid}.search-result:hover{box-shadow:var(--shadow-md);border-color:#adc3cf;transform:translateY(-1px)}.search-result-icon{background:var(--accent-soft);height:40px;color:var(--accent-dark);border-radius:6px;place-items:center;font-size:12px;font-weight:850;display:grid}.search-result-body{min-width:0}.search-result-title,.search-result-meta{align-items:center;gap:12px;display:flex}.search-result-title{justify-content:space-between}.search-result-title span{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-weight:850;overflow:hidden}.search-result-title small{color:#66727d;flex:none;font-size:11px;font-weight:800}.search-result p{color:#52606d;text-overflow:ellipsis;white-space:nowrap;margin:7px 0 8px;font-size:13px;line-height:1.5;overflow:hidden}.search-result mark{color:inherit;background:#ffe7a7;border-radius:3px;padding:0 2px}.search-result-meta{color:#75828e;font-size:11px;font-weight:700}.message-row{margin:14px 0;display:flex}.message-row.own{justify-content:flex-end}.message-row.other{justify-content:flex-start}.message-stack{min-width:240px;max-width:56%}.sender-name{color:var(--muted);margin:0 0 7px 6px;font-size:12px;font-weight:800}.bubble{box-shadow:var(--shadow-sm);background:#fffffff5;border:1px solid #cfdbe3e6;border-radius:8px;padding:14px 15px 42px;position:relative}.bubble:before{content:"";border:inherit;background:inherit;width:10px;height:10px;position:absolute;bottom:14px;transform:rotate(45deg)}.other .bubble{background:var(--other-bubble);border-color:#eadbc3;box-shadow:0 8px 22px #5f492714}.other .bubble:before{border-top:0;border-right:0;left:-6px}.own .bubble{background:var(--own-bubble);border-color:#a5d8d4;box-shadow:0 8px 22px #1f71961a}.own .bubble:before{border-bottom:0;border-left:0;right:-6px}.message-text{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--text);margin:0;font-size:14px;line-height:1.62}.message-text a{color:var(--accent-dark);text-underline-offset:3px;font-weight:700;text-decoration:underline}.message-text a:hover{color:#0f5060}.image-preview{background:#fff6;border-radius:6px;max-width:520px;max-height:360px;padding:0;display:block;overflow:hidden;box-shadow:inset 0 0 0 1px #50606e14}.image-preview img{object-fit:contain;max-width:520px;max-height:360px;display:block}.file-preview{text-align:left;width:360px;color:var(--text);background:#ffffffad;border:1px solid #ad967557;border-radius:6px;grid-template-rows:auto auto;grid-template-columns:48px 1fr;align-items:center;gap:2px 10px;padding:12px;display:grid}.own .file-preview{background:#ffffff8f;border-color:#4d8f9a47}.upload-bubble{min-width:360px;padding-bottom:14px}.upload-bubble.failed{background:#fff2f0;border-color:#e6b5ad}.receive-placeholder{min-width:360px}.upload-title{color:var(--text);grid-template-columns:28px minmax(0,1fr) auto;align-items:center;gap:10px;display:grid}.upload-title svg{color:var(--accent)}.upload-title span{text-overflow:ellipsis;white-space:nowrap;font-weight:800;overflow:hidden}.upload-title small{color:var(--muted);font-weight:750}.upload-progress{background:#477b8824;border-radius:999px;height:7px;margin-top:14px;overflow:hidden}.upload-progress div{border-radius:inherit;background:linear-gradient(90deg, var(--accent), var(--success));height:100%;transition:width .18s}.upload-meta{color:#52636f;justify-content:space-between;margin-top:8px;font-size:11px;font-weight:750;display:flex}.upload-actions{gap:8px;margin-top:10px;display:flex}.upload-actions button{color:#344250;background:#ffffffc2;border-radius:6px;height:28px;padding:0 10px;font-size:12px;font-weight:800}.upload-actions button:hover{background:#fff}.file-kind{color:#a24a2f;background:#f3e8db;border-radius:8px;grid-row:1/3;place-items:center;width:42px;height:42px;display:grid;position:relative}.file-kind svg{grid-row:auto}.file-kind em{color:currentColor;max-width:34px;font-size:8px;font-style:normal;font-weight:900;line-height:1;position:absolute;bottom:2px;right:3px;overflow:hidden}.file-kind.archive,.file-kind.apk{color:var(--warn);background:#f5ead8}.file-kind.doc,.file-kind.text,.file-kind.pdf{color:var(--accent-dark);background:#e7f0f5}.file-preview span{text-overflow:ellipsis;white-space:nowrap;font-weight:750;overflow:hidden}.file-preview .file-kind{white-space:normal;overflow:visible}.file-preview small{color:var(--muted)}.bubble-actions{z-index:1;position:absolute;bottom:9px;right:10px}.bubble-actions button{color:#53606c;background:#ffffffa3;border:1px solid #6f7e8b1f;width:31px;min-height:31px;padding:0;transition:background .14s,border-color .14s,color .14s,transform .14s}.bubble-actions button:hover{background:#ffffffe6;border-color:#4052622e;transform:translateY(-1px)}.bubble-actions button.is-success{color:#2f7a45;background:#e5f5ea}.message-meta{color:#75828e;justify-content:flex-end;gap:10px;margin-top:7px;font-size:11px;font-weight:650;display:flex}.other .message-meta{justify-content:flex-start}.loading-line{color:#66727d}.drop-overlay{z-index:20;border:2px dashed var(--accent);color:var(--accent-dark);pointer-events:none;background:#eef7f9e6;border-radius:8px;place-content:center;justify-items:center;gap:12px;font-size:16px;font-weight:800;display:grid;position:absolute;inset:134px 28px 194px}.toast{z-index:30;border:1px solid var(--line-strong);max-width:360px;min-height:42px;color:var(--text);box-shadow:var(--shadow-md);background:#fbfcfdf7;border-radius:8px;align-items:center;padding:0 16px;font-size:13px;font-weight:750;display:flex;position:absolute;bottom:194px;right:28px}.toast.success{color:#2f6f42;border-color:#b8d8c2}.toast.error{color:#ad3327;border-color:#efc0b8}.new-message-pill{z-index:35;background:var(--accent);color:#fff;border-radius:999px;min-height:34px;padding:0 14px;font-size:13px;font-weight:850;position:absolute;bottom:194px;left:50%;transform:translate(-50%);box-shadow:0 12px 30px #247f943d}.new-message-pill:hover{background:var(--accent-dark)}.lightbox{z-index:60;background:#0f161ed6;place-items:center;padding:76px 92px 68px;display:grid;position:absolute;inset:0}.lightbox img{object-fit:contain;border-radius:8px;max-width:min(1180px,82vw);max-height:calc(100vh - 176px);box-shadow:0 28px 90px #0000006b}.lightbox-toolbar{color:#f7fafc;grid-template-columns:1fr auto auto auto;align-items:center;gap:10px;display:grid;position:absolute;top:18px;left:22px;right:22px}.lightbox-toolbar div{gap:4px;min-width:0;display:grid}.lightbox-toolbar strong,.lightbox-toolbar span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.lightbox-toolbar strong{font-size:14px}.lightbox-toolbar span{color:#c7d2dc;font-size:12px;font-weight:700}.lightbox-toolbar button,.lightbox-nav{color:#fff;background:#ffffff1f;border-radius:6px;justify-content:center;align-items:center;transition:background .14s,transform .14s;display:inline-flex}.lightbox-toolbar button{gap:7px;min-height:36px;padding:0 12px;font-size:13px;font-weight:800}.lightbox-toolbar button:hover,.lightbox-nav:hover:not(:disabled){background:#ffffff38;transform:translateY(-1px)}.lightbox-nav{width:46px;height:46px;position:absolute;top:50%;transform:translateY(-50%)}.lightbox-nav:hover:not(:disabled){transform:translateY(calc(-50% - 1px))}.lightbox-nav.previous{left:28px}.lightbox-nav.next{right:28px}.lightbox-nav:disabled{opacity:.28}.composer{background:#fbfcfdf5;border-top:1px solid #c8d4dcdb;grid-template-columns:1fr auto;gap:12px 16px;padding:16px 34px;display:grid;box-shadow:0 -8px 24px #25303d0d}.composer-notice{grid-column:1/3;margin:0}.composer textarea{resize:none;border:1px solid var(--line-strong);min-height:112px;color:var(--text);background:#f9fbfc;border-radius:6px;outline:none;padding:13px 15px;font-size:14px;box-shadow:inset 0 1px #fffc}.composer-actions{align-self:end}