:root{--b60:#0f62fe;--b70:#0043ce;--b80:#002d9c;--b10:#edf5ff;--g100:#161616;--g90:#393939;--g70:#525252;--g50:#8d8d8d;--g30:#c6c6c6;--g20:#e0e0e0;--g10:#f4f4f4;--g05:#f8f8f8;--w:#fff;--red:#da1e28;--r:4px;
--win-bg:#fff;--win-header:#0f62fe;--win-header-text:#fff;--win-border:rgba(0,0,0,.08);--term-bg:#161616;--term-text:#f4f4f4;--code-bg:#161616;--code-text:#d4d4d4}
[data-theme="dark"]{--b60:#4589ff;--b70:#0f62fe;--b10:#1a2a4a;--g100:#f4f4f4;--g90:#e0e0e0;--g70:#c6c6c6;--g50:#8d8d8d;--g30:#525252;--g20:#393939;--g10:#262626;--g05:#1a1a1a;--w:#161616;--win-bg:#1e1e1e;--win-header:#1a1a1a;--win-header-text:#f4f4f4;--win-border:rgba(255,255,255,.08);--term-bg:#0a0a0a;--term-text:#e0e0e0;--code-bg:#0a0a0a;--code-text:#e0e0e0}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;font-family:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;line-height:1.5;color:var(--g100);background:var(--g10);-webkit-tap-highlight-color:transparent}
button{font-family:inherit}

/* ─── Touch / selection rules ──────────────────────────────────────────────
   On touchscreens, browsers often disable text selection by default inside
   flex containers and "app-like" layouts. Explicitly re-enable selection on
   text-bearing zones (chat messages, file previews, picker list, etc.).
   Interactive controls (buttons, headers being dragged) keep user-select:none.
*/
.message-body,.message-role,.session-title,.session-meta,
.fb-preview-content,.fb-preview-info,.file-name,.file-path,
.picker-item-name,.picker-hint,.input-hint,.editor-status,
.tool-content,.tool-name,.activity-text,.activity-log,.empty-state p,
.modal-body,.search-snippet{user-select:text;-webkit-user-select:text;touch-action:pan-y}
/* Allow double-tap-to-zoom on text zones (don't force manipulation) */
.messages,.fb-preview-content,.fb-preview-info,.modal-body,.picker-list,.session-list{touch-action:pan-y pan-x}
.login-screen{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--g10)}
.login-card{background:var(--w);border-radius:8px;padding:40px;box-shadow:0 2px 16px rgba(0,0,0,.1);width:100%;max-width:360px;margin:20px}
.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:28px;justify-content:center}
.login-logo span{font-size:20px;font-weight:600;color:var(--g100)}
.login-form{display:flex;flex-direction:column;gap:12px}
.login-error{color:var(--red);font-size:13px;min-height:18px;text-align:center}
.login-card .input{width:100%;padding:12px 14px;border:1px solid var(--g30);border-radius:var(--r);font-size:14px;outline:none;background:var(--w);color:var(--g100)}
.pass-wrapper{position:relative}
.pass-wrapper .input{width:100%;padding-right:44px}
.pass-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:32px;height:32px;border:none;background:transparent;color:var(--g50);cursor:pointer;border-radius:3px;display:flex;align-items:center;justify-content:center}
.pass-toggle:hover{color:var(--g100);background:var(--g10)}
.login-card .input:focus{border-color:var(--b60);box-shadow:0 0 0 1px var(--b60)}
.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}
.header{background:var(--w);border-bottom:1px solid var(--g20);padding:0 12px;height:48px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.header-left,.header-right{display:flex;align-items:center;gap:6px}
.logo{display:flex;align-items:center;gap:6px}
.logo-text{font-size:15px;font-weight:600;color:var(--g100)}
.sidebar-toggle-btn{display:inline-flex}
.select-sm{height:32px;padding:4px 24px 4px 8px;font-size:12px;max-width:130px;background:var(--w);color:var(--g100);border:1px solid var(--g30)}
.main{display:flex;flex:1;overflow:hidden}
.sidebar{width:260px;background:var(--w);border-right:1px solid var(--g20);display:flex;flex-direction:column;flex-shrink:0;transition:transform .2s,width .15s}
.sidebar.collapsed{display:none}
.sidebar-header{padding:10px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--g20)}
.sidebar-header h3{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--g70)}
.sidebar-actions{display:flex;gap:2px}
.session-toolbar{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--b10);border-bottom:1px solid var(--g20);font-size:12px;color:var(--b80)}
.session-list{flex:1;overflow-y:auto;padding:6px}
.session-item{padding:6px 8px;border-radius:var(--r);cursor:pointer;margin-bottom:2px;display:flex;gap:6px;align-items:flex-start}
.session-item.selected{background:var(--b10)}
.session-checkbox{width:20px;height:20px;border:2px solid var(--g30);border-radius:3px;flex-shrink:0;margin-top:1px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.session-checkbox:hover{border-color:var(--b60)}
.session-content{flex:1;min-width:0}
.session-dots{flex-shrink:0;width:24px;height:24px;border:none;background:transparent;color:var(--g50);
    cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;opacity:.5;
    transition:opacity .15s,background .15s;-webkit-tap-highlight-color:transparent}
.session-dots:hover,.session-dots:active{opacity:1;background:var(--g20);color:var(--g100)}
.session-item:hover .session-dots{opacity:.8}
[data-theme="dark"] .session-dots{color:var(--g50)}
[data-theme="dark"] .session-dots:hover{background:var(--g40);color:#fff}
.session-item:hover{background:var(--g10)}
.session-item.active{background:var(--b10);border-left:3px solid var(--b60);padding-left:5px}
.session-delete{position:absolute;right:6px;top:6px;width:24px;height:24px;border:none;background:transparent;color:var(--g50);cursor:pointer;border-radius:3px;display:none;align-items:center;justify-content:center}
.session-item:hover .session-delete{display:flex}
.session-delete:hover{background:var(--red);color:var(--w)}
.session-title{font-size:13px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.session-meta{font-size:11px;color:var(--g50)}
.sidebar-footer{padding:8px;border-top:1px solid var(--g20)}
.chat-area{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--g05)}
.messages{flex:1;overflow-y:auto;padding:20px;max-width:900px;margin:0 auto;width:100%}
.empty-state{text-align:center;padding:60px 20px;color:var(--g70)}
.empty-icon{margin-bottom:12px}
.empty-state h2{font-size:22px;margin-bottom:6px}
.message{margin-bottom:20px;display:flex;gap:10px}
.message-avatar{width:30px;height:30px;border-radius:var(--r);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:12px;flex-shrink:0}
.message.user .message-avatar{background:var(--g20);color:var(--g100)}
.message.assistant .message-avatar{background:var(--b60);color:var(--w)}
.message-content{flex:1;min-width:0}
.message-role{font-size:11px;font-weight:600;color:var(--g70);margin-bottom:3px}
.message-body{font-size:14px;line-height:1.6;word-wrap:break-word;color:var(--g100)}
.message-body p{margin-bottom:6px}.message-body p:last-child{margin-bottom:0}
.message-body pre{background:var(--code-bg);color:var(--code-text);padding:10px 14px;border-radius:var(--r);overflow-x:auto;font-size:13px;margin:6px 0}
.message-body code{font-family:'IBM Plex Mono',monospace;font-size:13px}
.message-body :not(pre)>code{background:var(--g10);padding:2px 5px;border-radius:3px;color:var(--b80)}
.message-body ul,.message-body ol{margin:6px 0;padding-left:20px}
.message-body a{color:var(--b60)}
.message-actions{display:flex;gap:4px;margin-top:6px;opacity:0;transition:opacity .15s}
.message:hover .message-actions{opacity:1}
.msg-action{width:28px;height:28px;border:1px solid var(--g20);background:var(--w);border-radius:3px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--g70)}
.msg-action:hover{background:var(--g10);color:var(--b60);border-color:var(--b60)}
.tool-block{background:var(--g05);border:1px solid var(--g20);border-radius:var(--r);padding:8px 10px;margin:6px 0;font-size:12px}
.tool-name{font-weight:600;color:var(--b80);margin-bottom:3px;font-size:11px;text-transform:uppercase;letter-spacing:.05em}
.tool-content{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--g90);white-space:pre-wrap;word-break:break-all;max-height:250px;overflow-y:auto}
.activity-panel{background:var(--w);border-top:1px solid var(--g20);max-height:160px;display:flex;flex-direction:column}
.activity-header{padding:6px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--g20);background:var(--b10)}
.activity-title{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--b80)}
.activity-pulse{width:8px;height:8px;border-radius:50%;background:var(--b60);animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.activity-timer{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--g70);background:var(--g10);padding:2px 6px;border-radius:3px}
.progress-bar-container{height:6px;background:var(--g20);position:relative;margin:0 14px 4px;border-radius:3px;overflow:hidden}
.progress-bar{height:100%;background:var(--b60);border-radius:3px;transition:width .3s ease;width:0%}
.progress-label{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:9px;color:var(--g70);white-space:nowrap;line-height:6px}
.activity-log{flex:1;overflow-y:auto;padding:6px 14px;font-size:11px;font-family:'IBM Plex Mono',monospace}
.activity-entry{display:flex;align-items:flex-start;gap:6px;padding:2px 0}
.activity-time{color:var(--g50);flex-shrink:0;font-size:10px}
.activity-icon{flex-shrink:0;width:16px;text-align:center}
.activity-text{color:var(--g90);word-break:break-all}
.input-area{padding:12px 20px 16px;background:var(--w);border-top:1px solid var(--g20);max-width:900px;margin:0 auto;width:100%}
.file-attachments{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.file-chip{display:flex;align-items:center;gap:4px;background:var(--b10);border:1px solid var(--b60);border-radius:12px;padding:4px 8px;font-size:12px;color:var(--b80)}
.file-remove{width:18px;height:18px;border:none;background:transparent;color:var(--g50);cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center}
.file-remove:hover{background:var(--red);color:var(--w)}
.input-wrapper{display:flex;gap:6px;align-items:flex-end;border:1px solid var(--g30);border-radius:var(--r);padding:6px;background:var(--w)}
.input-wrapper:focus-within{border-color:var(--b60);box-shadow:0 0 0 1px var(--b60)}
.input-wrapper textarea{flex:1;border:none;outline:none;resize:none;font-family:inherit;font-size:14px;padding:4px 6px;background:transparent;color:var(--g100);max-height:150px}
.input-hint{display:flex;justify-content:space-between;margin-top:6px;font-size:10px;color:var(--g50)}
#session-info{color:var(--b60);font-weight:500}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:5px;padding:8px 14px;border:1px solid transparent;border-radius:var(--r);font-size:14px;font-weight:500;cursor:pointer;white-space:nowrap;min-height:36px;transition:all .15s}
.btn-primary{background:var(--b60);color:var(--w);border-color:var(--b60)}
.btn-primary:hover{background:var(--b70)}
.btn-primary:disabled{background:var(--g30);cursor:not-allowed}
.btn-stop{background:var(--red);color:var(--w);border-color:var(--red);display:none}
.btn-stop:hover{background:#b8151f}
.btn-ghost{background:transparent;color:var(--b60)}
.btn-ghost:hover{background:var(--b10)}
.btn-full{width:100%}
.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:none;background:transparent;color:var(--g70);cursor:pointer;border-radius:var(--r);transition:all .15s}
.btn-icon:hover{background:var(--g10);color:var(--b60)}
.input,.select{padding:6px 10px;border:1px solid var(--g30);border-radius:var(--r);font-family:inherit;font-size:13px;background:var(--w);color:var(--g100);outline:none;min-height:34px}
.select{cursor:pointer;padding-right:24px;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23525252' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 6px center}
/* Floating windows — IBM blue header */
.fb-window,.terminal-window{display:none;position:fixed;background:var(--win-bg);border:1px solid var(--win-border);border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.08),0 14px 44px rgba(0,0,0,.18);z-index:200;flex-direction:column;resize:both;min-width:600px;min-height:400px;overflow:hidden}
.fb-window.open,.terminal-window.open{display:flex}
.fb-window.maximized,.terminal-window.maximized,.editor-window.maximized{inset:0!important;width:auto!important;height:auto!important;border-radius:0!important;transform:none!important;border:none!important}
.terminal-header{background:var(--win-header);color:var(--win-header-text);padding:6px 12px;display:flex;align-items:center;justify-content:space-between;cursor:move;user-select:none;flex-shrink:0}
.terminal-title{display:flex;align-items:center;gap:6px;color:var(--win-header-text);font-size:13px;font-weight:500}
.terminal-title svg{stroke:var(--win-header-text)}
.terminal-controls{display:flex;gap:4px}
.term-btn{width:26px;height:26px;border:none;background:transparent;color:rgba(255,255,255,.7);cursor:pointer;border-radius:3px;display:flex;align-items:center;justify-content:center}
[data-theme="dark"] .term-btn{color:rgba(255,255,255,.5)}
.term-btn:hover{background:rgba(255,255,255,.15);color:#fff}
.term-close:hover{background:var(--red);color:#fff}
.terminal-special-keys{display:flex;gap:3px;padding:6px 8px;background:var(--g10);flex-wrap:wrap;flex-shrink:0;border-bottom:1px solid var(--g20)}
.skey{padding:4px 8px;background:var(--w);color:var(--g70);border:1px solid var(--g30);border-radius:3px;font-size:11px;font-family:'IBM Plex Mono',monospace;cursor:pointer;min-width:32px;height:28px;transition:all .15s}
.skey:hover{background:var(--b60);color:var(--w);border-color:var(--b60)}
.skey:active{background:var(--b70)}
.terminal-body{flex:1;overflow:hidden;background:var(--term-bg);position:relative;min-height:0}
.terminal-body iframe{width:100%;height:100%;border:none;display:block}
.terminal-body .terminal{padding:8px}
.terminal-body .xterm,
.editor-terminal-body .xterm{padding:8px;touch-action:none;-webkit-user-select:text;user-select:text}
/* xterm selection helper — shows handles on touch */
.terminal-body .xterm .xterm-selection,
.editor-terminal-body .xterm .xterm-selection{touch-action:none}

/* Editor floating window */
.editor-window{display:none;position:fixed;background:var(--win-bg);border:1px solid var(--win-border);border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.08),0 14px 44px rgba(0,0,0,.18);z-index:220;flex-direction:column;resize:both;min-width:500px;min-height:300px;overflow:hidden;top:50%;left:50%;transform:translate(-50%,-50%);width:900px;height:680px}
.editor-window.open{display:flex}
.editor-window.maximized{inset:0!important;width:auto!important;height:auto!important;border-radius:0!important;transform:none!important;border:none!important}
.editor-toolbar{display:flex;align-items:center;gap:6px;padding:6px 10px;background:var(--g10);border-bottom:1px solid var(--g20);flex-shrink:0}
.editor-toolbar .btn-sm{font-size:12px;padding:4px 10px;gap:4px;display:inline-flex;align-items:center}
.editor-status{margin-left:auto;font-size:11px;color:var(--g50);font-family:'IBM Plex Mono',monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:40%}
.editor-body{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0}
.editor-pane{flex:1;min-height:0;background:#0a0a0a;overflow:hidden;position:relative;-webkit-user-select:text;user-select:text;touch-action:pan-y}
/* Monaco generates .view-line, .view-lines, .monaco-editor inside .editor-pane.
   On touchscreens we need to let the browser handle long-press → selection
   handles, which means user-select:text on the text layers. */
.editor-pane .monaco-editor,.editor-pane .monaco-editor .view-lines,.editor-pane .monaco-editor .view-line{-webkit-user-select:text;user-select:text}
.editor-pane .monaco-editor .scroll-decoration{touch-action:none}
.editor-pane .monaco-editor .overflow-guard{touch-action:pan-y}
.editor-resizer{height:5px;background:var(--g20);cursor:ns-resize;flex-shrink:0;transition:background .15s}
.editor-resizer:hover{background:var(--b60)}
.editor-terminal{height:200px;background:#0a0a0a;display:flex;flex-direction:column;flex-shrink:0;border-top:1px solid var(--g20)}
.editor-terminal-header{display:flex;align-items:center;justify-content:space-between;padding:4px 10px;background:var(--g10);border-bottom:1px solid var(--g20);font-size:11px;color:var(--g70);text-transform:uppercase;letter-spacing:.05em;font-weight:600;flex-shrink:0}
.editor-terminal-header .term-btn{padding:2px}
.editor-terminal-body{flex:1;background:#0a0a0a;overflow:hidden;min-height:0}
[data-theme="dark"] .editor-toolbar{background:var(--g10)}
[data-theme="dark"] .editor-resizer{background:var(--g30)}
[data-theme="dark"] .editor-terminal-header{background:var(--g10)}
/* File browser floating window */
.fb-toolbar{padding:4px 12px;background:var(--g10);display:flex;gap:6px;align-items:center;flex-shrink:0;border-bottom:1px solid var(--g20)}
.fb-content{flex:1 1 auto;display:flex;overflow:hidden;min-height:0}
.fb-left{width:50%;border-right:1px solid var(--g20);display:flex;flex-direction:column;overflow:hidden;min-height:0}
.fb-right{width:50%;display:flex;flex-direction:column;overflow:hidden;background:var(--g05);min-height:0}
.fb-preview-empty{display:flex;align-items:center;justify-content:center;height:100%;color:var(--g50);font-size:13px}
.file-browser-path{padding:6px 10px;background:var(--b10);border-bottom:1px solid var(--g20);font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--b80);cursor:pointer;flex-shrink:0}
.file-browser-list{flex:1 1 auto;overflow-y:auto;min-height:0;overscroll-behavior:contain}
.file-item{display:flex;align-items:center;gap:6px;padding:5px 10px;cursor:pointer;border-bottom:1px solid var(--g05)}
.file-item:hover{background:var(--b10)}
.file-item.selected{background:var(--b10);border-left:3px solid var(--b60);padding-left:7px}
.file-icon{font-size:14px;flex-shrink:0}
.file-name{flex:1;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--g100)}
.file-size{font-size:10px;color:var(--g50);width:55px;text-align:right;flex-shrink:0}

/* Executable / script file highlight in file browser */
.file-item.file-exec .file-name{color:#5a8a3a;font-weight:600}
.file-item.file-exec{border-left:3px solid #5a8a3a;padding-left:7px}
.file-item.file-script .file-name{color:#8a4a8a;font-weight:500}
.file-item.file-script{border-left:3px solid #8a4a8a;padding-left:7px}
.file-item.file-script .file-icon,
.file-item.file-exec .file-icon{filter:saturate(1.2)}
.file-item.selected.file-exec{background:#e8f5d8;border-left-color:#3a6a1a}
.file-item.selected.file-script{background:#f5e8f5;border-left-color:#5a3a5a}
[data-theme="dark"] .file-item.file-exec .file-name{color:#9bdb5a}
[data-theme="dark"] .file-item.file-exec{border-left-color:#9bdb5a;background:rgba(155,219,90,.06)}
[data-theme="dark"] .file-item.file-script .file-name{color:#d699d6}
[data-theme="dark"] .file-item.file-script{border-left-color:#d699d6;background:rgba(214,153,214,.06)}
[data-theme="dark"] .file-item.selected.file-exec{background:rgba(155,219,90,.18)}
[data-theme="dark"] .file-item.selected.file-script{background:rgba(214,153,214,.18)}

/* Toast notification */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--g100);color:var(--w);padding:10px 16px;border-radius:6px;font-size:13px;box-shadow:0 4px 16px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:2000;max-width:80vw;word-break:break-all}
.toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}
[data-theme="dark"] .toast{background:var(--g30);color:var(--g100)}
.file-modified{font-size:10px;color:var(--g50);width:80px;text-align:right;flex-shrink:0}
.fb-preview-content{padding:10px;font-family:'IBM Plex Mono',monospace;font-size:11px;white-space:pre-wrap;word-break:break-all;overflow-y:auto;flex:1 1 auto;background:var(--code-bg);color:var(--code-text);min-height:0;overscroll-behavior:contain}
.fb-preview-info{padding:10px;font-size:12px;color:var(--g70);flex-shrink:0;overflow-y:auto;max-height:35%;min-height:0}
.fb-preview-info table{width:100%;border-collapse:collapse}
.fb-preview-info td{padding:3px 6px;border-bottom:1px solid var(--g05)}
.fb-preview-info td:first-child{font-weight:600;color:var(--b80);width:90px}
/* Context menu */
.context-menu{position:fixed;background:var(--w);border:1px solid var(--g20);border-radius:var(--r);box-shadow:0 4px 12px rgba(0,0,0,.15);z-index:300;min-width:160px;padding:4px 0}
.ctx-item{display:block;width:100%;padding:8px 16px;border:none;background:transparent;text-align:left;font-family:inherit;font-size:13px;color:var(--g100);cursor:pointer}
.ctx-item:hover{background:var(--g10)}
.ctx-danger{color:var(--red)}
.ctx-danger:hover{background:#fef0f0}
.agent-item{padding:10px;border:1px solid var(--g20);border-radius:var(--r);margin-bottom:6px;display:flex;align-items:center;gap:8px}
.agent-name{font-weight:600;color:var(--b60)}
.agent-mode{font-size:11px;color:var(--g50);background:var(--g10);padding:2px 6px;border-radius:3px}
.loading{padding:20px;text-align:center;color:var(--g50);font-size:13px}

/* Session loader — красивый вращающийся элемент */
.session-loader{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:60px 20px;color:var(--g50)}
.loader-spinner{width:42px;height:42px;border-radius:50%;border:3px solid var(--g10);border-top-color:var(--b60);border-right-color:var(--b60);animation:loader-spin .8s linear infinite;position:relative}
/* Дополнительное кольцо для эффекта двойного спиннера */
.loader-spinner::before{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid transparent;border-bottom-color:var(--b60);opacity:.35;animation:loader-spin-rev 1.4s linear infinite}
.loader-text{font-size:13px;font-weight:500;color:var(--g70);letter-spacing:.3px;animation:loader-pulse 1.6s ease-in-out infinite}
@keyframes loader-spin{to{transform:rotate(360deg)}}
@keyframes loader-spin-rev{to{transform:rotate(-360deg)}}
@keyframes loader-pulse{0%,100%{opacity:.55}50%{opacity:1}}
[data-theme="dark"] .loader-spinner{border-color:var(--g20);border-top-color:var(--b60);border-right-color:var(--b60);box-shadow:0 0 14px rgba(69,137,255,.35),inset 0 0 8px rgba(69,137,255,.15)}
[data-theme="dark"] .loader-spinner::before{border-bottom-color:var(--b60);box-shadow:0 0 10px rgba(69,137,255,.25)}

/* Search bar */
.search-bar{display:flex;align-items:center;gap:6px;padding:8px 12px;border-bottom:1px solid var(--g20);background:var(--w)}
.search-bar svg{color:var(--g50);flex-shrink:0}
.search-bar input{flex:1;border:none;background:transparent;font-size:13px;color:var(--g100);outline:none;font-family:inherit;min-width:0}
.search-bar input::placeholder{color:var(--g50)}
.search-clear{display:flex;align-items:center;justify-content:center;width:22px;height:22px;border:none;background:transparent;color:var(--g50);cursor:pointer;border-radius:3px;flex-shrink:0}
.search-clear:hover{background:var(--g10);color:var(--g100)}
[data-theme="dark"] .search-bar{background:var(--g10)}
[data-theme="dark"] .search-bar input{color:var(--g100)}

/* Session message count badge */
.session-count{display:inline-block;background:var(--g10);color:var(--g70);font-size:10px;padding:1px 6px;border-radius:8px;margin-left:6px;font-weight:500;line-height:1.4}
[data-theme="dark"] .session-count{background:var(--g20);color:var(--g70)}

/* Search results */
.session-item.search-result{padding:8px 14px}
.session-item.search-result .session-content{flex:1;min-width:0}
.session-item.search-result .search-snippet{font-size:11px;color:var(--g50);margin-top:3px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.search-hits{display:inline-block;background:var(--b10);color:var(--b60);font-size:10px;padding:1px 5px;border-radius:8px;margin-left:4px;font-weight:600}
[data-theme="dark"] .search-hits{background:rgba(69,137,255,.15);color:var(--b60)}

/* Tool block — collapsible */
.tool-block .tool-name{display:flex;align-items:center;justify-content:space-between;gap:8px;user-select:none}
.tool-block .tool-name[data-collapsed]{cursor:pointer}
.tool-block .tool-toggle{font-family:'IBM Plex Mono',monospace;font-size:12px;font-weight:600;color:var(--b60)}
.tool-block .tool-collapse-hint{font-size:10px;color:var(--g50);font-weight:400}
.tool-block .tool-name:hover .tool-collapse-hint{color:var(--b60)}
.tool-block .tool-preview{color:var(--g70)}
[data-theme="dark"] .tool-block .tool-toggle{color:var(--b60)}
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}
.modal{background:var(--w);border-radius:var(--r);width:100%;max-width:600px;max-height:80vh;display:flex;flex-direction:column}
.modal-header{padding:16px 20px;border-bottom:1px solid var(--g20);display:flex;align-items:center;justify-content:space-between}
.modal-header h2{font-size:18px;font-weight:600;color:var(--g100)}
.modal-body{padding:20px;overflow-y:auto;flex:1}
/* Settings */
.settings-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--g05)}
.settings-label{font-size:14px;font-weight:500;color:var(--g100)}
.settings-desc{font-size:12px;color:var(--g50);margin-top:2px}
.settings-control{flex-shrink:0;margin-left:16px}
.theme-switch{display:flex;gap:4px;background:var(--g10);border-radius:var(--r);padding:3px}
.theme-option{padding:6px 12px;border:none;background:transparent;border-radius:3px;cursor:pointer;font-size:12px;color:var(--g70);font-family:inherit}
.theme-option.active{background:var(--b60);color:var(--w)}
.lang-select{min-width:120px}
/* Chat navigation — draggable floating */
.chat-nav{position:fixed;display:flex;flex-direction:column;gap:4px;background:var(--w);border:1px solid var(--g20);border-radius:8px;padding:6px;box-shadow:0 2px 12px rgba(0,0,0,.12);z-index:50;opacity:0;transition:opacity .3s;pointer-events:none}
.chat-nav.visible{opacity:1;pointer-events:auto}
.chat-nav.dragging{cursor:grabbing;box-shadow:0 4px 20px rgba(0,0,0,.2)}
.nav-handle{display:flex;align-items:center;justify-content:center;padding:2px 0;cursor:grab;border-radius:3px}
.nav-handle:active{cursor:grabbing}
.nav-handle:hover{background:var(--g10)}
.nav-handle svg{color:var(--g30)}
.nav-btn{width:36px;height:36px;border:1px solid var(--g20);background:var(--w);border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--g70);transition:all .15s}
.nav-btn:hover{background:var(--b60);color:var(--w);border-color:var(--b60)}
.nav-position{font-size:10px;color:var(--g50);text-align:center;padding:2px 0;font-family:'IBM Plex Mono',monospace}
[data-theme="dark"] .chat-nav{background:var(--g10);border-color:var(--g20)}
[data-theme="dark"] .nav-btn{background:var(--g10);color:var(--g70);border-color:var(--g30)}
[data-theme="dark"] .nav-handle svg{color:var(--g50)}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--g30);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--g50)}
@media(max-width:768px){
    .sidebar{position:fixed;top:48px;left:0;bottom:0;z-index:40;transform:translateX(-100%)}
    .sidebar.open{transform:translateX(0)}
    .sidebar-toggle-btn{display:flex}
    .logo-text{display:none}
    .messages{padding:12px}
    .input-area{padding:8px 12px 12px}
    .header-right .select-sm{max-width:90px;font-size:11px}
    .select-sm{padding:4px 18px 4px 6px}
    .header{padding:0 8px;height:44px}
    .header-right{gap:4px}
    .btn-icon{width:32px;height:32px}
    .fb-window,.terminal-window{width:100%!important;height:60%!important;border-radius:12px 12px 0 0;bottom:0;left:0;right:0;resize:none;transform:none!important;min-width:0!important;min-height:0!important}
    .fb-window.maximized,.terminal-window.maximized{height:100%}
    /* On mobile stack the file browser panels vertically */
    .fb-content{flex-direction:column}
    .fb-left,.fb-right{width:100%!important;height:50%;border-right:none;border-bottom:1px solid var(--g20)}
    .editor-window{width:100%!important;height:100%!important;border-radius:0;top:0;left:0;transform:none}
    .editor-window.maximized{height:100%}
    .editor-toolbar .btn-sm span{display:none}
    .editor-toolbar .btn-sm{padding:6px 8px}
    .skey{min-width:36px;height:36px;font-size:13px;padding:6px 10px}
    .terminal-special-keys{padding:8px;gap:4px;overflow-x:auto;flex-wrap:nowrap}
    .login-card{padding:28px 20px;margin:16px}
}

/* ─── Window manager: taskbar + minimized windows ─────────────────────────── */
.taskbar{position:fixed;bottom:0;left:0;right:0;display:none;gap:4px;padding:4px 8px;
    background:var(--g10);border-top:1px solid var(--g20);z-index:500;align-items:center;
    min-height:34px;backdrop-filter:blur(8px)}
.taskbar.visible{display:flex}
.task-item{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border:none;
    background:var(--g20);color:var(--g70);border-radius:6px;cursor:pointer;font-size:12px;
    font-family:inherit;max-width:200px;transition:background .15s,color .15s}
.task-item:hover{background:var(--g30);color:var(--g100)}
.task-item.active{background:var(--b60);color:#fff}
.task-item.minimized{opacity:.6;font-style:italic}
.task-glyph{font-size:14px;line-height:1}
.task-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
[data-theme="dark"] .taskbar{background:#161616;border-top-color:var(--g30)}
[data-theme="dark"] .task-item{background:var(--g30);color:var(--g50)}
[data-theme="dark"] .task-item:hover{background:var(--g40);color:#fff}

/* Minimized windows are hidden but remain "open" for the taskbar to restore. */
.terminal-window.minimized,.fb-window.minimized,.editor-window.minimized{display:none!important}

/* ─── Top-left app launcher menu ─────────────────────────────────────────── */
.app-menu-wrap{position:relative;display:inline-block}
.app-menu{display:none;position:absolute;top:calc(100% + 6px);left:0;min-width:190px;background:var(--w);
    border:1px solid var(--g20);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.18);padding:4px;z-index:600}
.app-menu.open{display:block}
.app-menu-item{display:flex;align-items:center;gap:10px;width:100%;border:none;background:none;
    color:var(--g70);font-family:inherit;font-size:14px;padding:9px 12px;border-radius:6px;cursor:pointer;text-align:left}
.app-menu-item:hover{background:var(--g10);color:var(--g100)}
[data-theme="dark"] .app-menu{background:#1a1a1a;border-color:var(--g30)}
[data-theme="dark"] .app-menu-item{color:var(--g50)}
[data-theme="dark"] .app-menu-item:hover{background:var(--g30);color:#fff}

/* ─── Editor: empty-state open-file prompt + terminal status badge ────────── */
.editor-open-prompt{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
    background:#0a0a0a;z-index:5;pointer-events:none}
.editor-open-card{pointer-events:auto;text-align:center;background:#111;border:1px solid var(--g30);
    border-radius:12px;padding:32px 40px;display:flex;flex-direction:column;align-items:center;gap:12px;max-width:320px}
.editor-open-card p{margin:0;color:var(--g70);font-size:14px}
.editor-open-close{position:absolute;top:8px;right:8px;width:26px;height:26px;border:none;background:transparent;
    color:var(--g50);cursor:pointer;border-radius:6px;display:flex;align-items:center;justify-content:center}
.editor-open-close:hover{background:var(--g20);color:var(--g100)}
.term-status{font-size:14px;line-height:1;margin-left:auto;margin-right:6px}
.term-status.connected{color:#24a148}
.term-status.connecting{color:#f1c21b;animation:pulse 1s infinite}
.term-status.disconnected,.term-status.error{color:#da1e28}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
[data-theme="dark"] .editor-open-card{background:#161616}

/* ─── Active model badge in chat input ────────────────────────────────────── */
#chat-model-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:4px;
    background:var(--g10);color:var(--b70);font-size:11px;font-weight:600;font-family:'IBM Plex Mono',monospace;
    letter-spacing:.02em;cursor:default;margin-right:6px}
[data-theme="dark"] #chat-model-badge{background:var(--g30);color:var(--b60)}
.provider-item{transition:border-color .15s}
.provider-item:hover{border-color:var(--b60)}
.provider-delete:hover{color:#da1e28!important}

/* ─── Editor: new-file dialog ────────────────────────────────────────────── */
.editor-newfile-overlay{position:absolute;inset:0;background:rgba(0,0,0,.45);display:flex;
    align-items:center;justify-content:center;z-index:10}
.editor-newfile-dialog{background:var(--w);border:1px solid var(--g20);border-radius:10px;
    padding:20px;width:340px;box-shadow:0 12px 40px rgba(0,0,0,.25)}
[data-theme="dark"] .editor-newfile-dialog{background:#1e1e1e;border-color:var(--g30)}

/* ─── Right info panel: session + tasks ─────────────────────────────────── */
.info-panel{width:240px;background:var(--w);border-left:1px solid var(--g20);
    display:flex;flex-direction:column;flex-shrink:0;overflow:hidden;transition:width .15s,opacity .15s}
.info-panel.collapsed{display:none}
.info-panel-expand-btn{position:fixed;right:8px;top:54px;width:28px;height:28px;border:1px solid var(--g20);
    background:var(--w);border-radius:6px;display:none;align-items:center;justify-content:center;cursor:pointer;
    color:var(--g50);z-index:30;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.info-panel-expand-btn:hover{color:var(--b70);border-color:var(--b60)}
.info-panel-expand-btn.visible{display:flex}
[data-theme="dark"] .info-panel-expand-btn{background:#1a1a1a;border-color:var(--g30)}
.info-panel-section{padding:10px 12px;border-bottom:1px solid var(--g20)}
.info-panel-title{font-size:11px;text-transform:uppercase;letter-spacing:.05em;font-weight:700;
    color:var(--g50);margin-bottom:8px;display:flex;align-items:center;gap:6px;justify-content:space-between}
.info-toggle-btn{width:20px;height:20px;color:var(--g50);border-radius:4px}
.info-toggle-btn:hover{color:var(--g100);background:var(--g20)}
.info-tasks-count{background:var(--g20);color:var(--g70);font-size:10px;padding:1px 6px;border-radius:8px;font-weight:600}
.info-session-name{font-size:13px;font-weight:600;color:var(--g100);word-break:break-word;line-height:1.3}
.info-session-id{font-size:10px;color:var(--g50);font-family:'IBM Plex Mono',monospace;margin-top:2px}
.info-tasks{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px;padding:2px 0}
.info-empty{font-size:12px;color:var(--g50);padding:8px 0;text-align:center}
.task-row{display:flex;align-items:flex-start;gap:6px;padding:5px 6px;border-radius:4px;font-size:12px;line-height:1.3}
.task-row.sub{margin-left:14px}
.task-icon{flex-shrink:0;width:16px;height:16px;display:flex;align-items:center;justify-content:center;
    font-size:13px;margin-top:1px}
.task-row.done .task-icon{color:#24a148}
.task-row.in_progress{background:rgba(15,98,254,.06)}
.task-row.in_progress .task-icon{color:#0f62fe}
.task-row.blocked .task-icon{color:#f1c21b}
.task-row.abandoned .task-icon{color:var(--g50)}
.task-row.abandoned .task-text{text-decoration:line-through;color:var(--g50)}
.task-row.open .task-icon{color:var(--g50)}
.task-text{color:var(--g90);word-break:break-word}
.task-row.done .task-text{color:var(--g50)}
[data-theme="dark"] .info-panel{background:#1a1a1a}
[data-theme="dark"] .task-row.in_progress{background:rgba(69,137,255,.1)}

/* ─── File browser drag-and-drop upload zone ─────────────────────────────── */
    border-radius:6px;z-index:10;display:flex;align-items:center;justify-content:center;
    pointer-events:none;transition:opacity .15s}
.fb-dropzone-inner{text-align:center;color:#0f62fe;pointer-events:none}
.fb-dropzone-inner p{margin:8px 0 0;font-size:14px;font-weight:600}
.fb-dropzone.active{display:flex}

/* ─── Chat drop zone ─────────────────────────────────────────────────────── */
.chat-dropzone{position:absolute;inset:0;background:rgba(15,98,254,.08);border:2px dashed #0f62fe;
    border-radius:8px;z-index:10;display:flex;align-items:center;justify-content:center;
    pointer-events:none;transition:opacity .15s}
.chat-dropzone-inner{text-align:center;color:#0f62fe;pointer-events:none}
.chat-dropzone-inner p{margin:8px 0 0;font-size:14px;font-weight:600}

/* ─── Chat toolbar ───────────────────────────────────────────────────────── */
.chat-toolbar{display:flex;align-items:center;gap:4px;padding:4px 8px;border-bottom:1px solid var(--g20);
    background:var(--w);flex-shrink:0}
.chat-toolbar .btn-icon{width:28px;height:28px}
[data-theme="dark"] .chat-toolbar{background:#1a1a1a}

/* ─── Window composer: snap-zone preview ─────────────────────────────────── */
#wm-snap-preview{position:fixed;background:rgba(15,98,254,.14);border:2px solid rgba(15,98,254,.55);
    border-radius:8px;z-index:550;pointer-events:none;opacity:0;transition:opacity .1s,all .05s}
#wm-snap-preview.visible{opacity:1}

/* ─── Status bar ─────────────────────────────────────────────────────────── */
.status-bar{display:flex;align-items:center;justify-content:space-between;padding:4px 12px;
    border-top:1px solid var(--g20);background:var(--w);font-size:11px;color:var(--g50);
    flex-shrink:0;gap:12px;min-height:28px}
.status-item{display:flex;align-items:center;gap:6px;white-space:nowrap}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--g30);flex-shrink:0}
.status-dot.connected{background:#24a148}
.status-dot.error{background:#da1e28}
[data-theme="dark"] .status-bar{background:#1a1a1a;border-top-color:var(--g30)}

/* ─── Input hint keyboard shortcuts ──────────────────────────────────────── */
.input-hint-keys{color:var(--g50);font-size:10px}
.input-hint-keys kbd{display:inline-block;padding:1px 4px;font-size:10px;font-family:inherit;
    background:var(--g10);border:1px solid var(--g20);border-radius:3px;color:var(--g70)}

/* ─── File picker modal (bash-style path input + Tab completion) ────────── */
.picker-input-wrap{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--g05);border:1px solid var(--g30);border-radius:var(--r);font-family:'IBM Plex Mono',monospace}
.picker-prompt{color:var(--b60);font-weight:700;font-size:14px;flex-shrink:0}
.picker-input-wrap input{flex:1;border:none;background:transparent;font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--g100);outline:none;min-width:0}
.picker-input-wrap input::placeholder{color:var(--g50)}
.picker-tab-hint{display:inline-block;padding:2px 6px;font-size:10px;background:var(--g10);border:1px solid var(--g20);border-radius:3px;color:var(--g50);flex-shrink:0}
.picker-list{margin-top:8px;max-height:280px;overflow-y:auto;border:1px solid var(--g20);border-radius:var(--r);background:var(--w);min-height:40px}
.picker-item{display:flex;align-items:center;gap:8px;padding:5px 10px;cursor:pointer;border-bottom:1px solid var(--g05);font-size:12px}
.picker-item:last-child{border-bottom:none}
.picker-item:hover{background:var(--b10)}
.picker-item.selected{background:var(--b10);border-left:3px solid var(--b60);padding-left:7px}
.picker-item-icon{font-size:14px;flex-shrink:0;width:18px;text-align:center}
.picker-item-name{flex:1;color:var(--g100);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:'IBM Plex Mono',monospace}
.picker-item-size{font-size:10px;color:var(--g50);flex-shrink:0;width:60px;text-align:right}
.picker-empty{padding:14px;text-align:center;color:var(--g50);font-size:12px;font-family:'IBM Plex Mono',monospace}
.picker-hint{margin-top:8px;font-size:11px;color:var(--g50);font-family:'IBM Plex Mono',monospace;text-align:center}
[data-theme="dark"] .picker-input-wrap{background:var(--g10);border-color:var(--g30)}
[data-theme="dark"] .picker-list{background:var(--g10);border-color:var(--g30)}
[data-theme="dark"] .picker-item{border-bottom-color:var(--g20)}


/* ─── Permission banner (shown in chat when agent triggers a permission) ─── */
.permission-banner{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;margin:8px 12px;border-radius:6px;border-left:4px solid var(--b60);background:var(--b10);font-size:13px}
.permission-banner.perm-approved{border-left-color:#24a148;background:#edf7ee}
.permission-banner.perm-denied{border-left-color:var(--red);background:#fef0f0}
.permission-banner.perm-requested{border-left-color:var(--b60);background:var(--b10)}
.perm-banner-icon{font-size:18px;flex-shrink:0;line-height:1.4}
.perm-banner-body{flex:1;min-width:0}
.perm-banner-title{font-weight:600;color:var(--g100);margin-bottom:3px;font-family:'IBM Plex Mono',monospace;font-size:12px}
.perm-banner-hint{font-size:11px;color:var(--g70);line-height:1.4}
.perm-banner-actions{display:flex;gap:4px;flex-shrink:0;flex-wrap:wrap}
.perm-btn{padding:4px 8px;font-size:11px;border:1px solid var(--g30);background:var(--w);color:var(--g70);border-radius:3px;cursor:pointer;font-family:inherit;white-space:nowrap;transition:all .15s}
.perm-btn:hover{background:var(--b60);color:var(--w);border-color:var(--b60)}
.perm-btn.perm-stop:hover{background:var(--red);border-color:var(--red)}
.perm-btn.perm-deny:hover{background:var(--red);border-color:var(--red)}
.perm-btn.perm-allow:hover{background:#24a148;border-color:#24a148}
.perm-btn.perm-dismiss{padding:4px 6px;color:var(--g50)}
.perm-btn.perm-dismiss:hover{background:var(--g10);color:var(--g100);border-color:var(--g30)}
[data-theme="dark"] .permission-banner.perm-approved{background:rgba(36,161,72,.12);border-left-color:#24a148}
[data-theme="dark"] .permission-banner.perm-denied{background:rgba(218,30,40,.15)}
[data-theme="dark"] .permission-banner.perm-requested{background:rgba(15,98,254,.12)}
[data-theme="dark"] .perm-btn{background:var(--g10);color:var(--g70);border-color:var(--g30)}
[data-theme="dark"] .perm-btn:hover{background:var(--b60);color:var(--w)}