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.minus{color:#b91c1c;font-weight:600}.agent-option-btn.selected{background:#dbeafe;color:#1d4ed8}.file-drop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1500;background:#11182759;display:flex;align-items:center;justify-content:center;pointer-events:none}.file-drop-panel{width:min(720px,88vw);height:min(380px,70vh);border:2px dashed #93c5fd;background:#eff6fff2;color:#1e3a8a;border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}.file-drop-title{font-size:28px;font-weight:700}.file-drop-sub{font-size:14px}.canvas-panel{flex:1;display:flex;flex-direction:column;overflow:hidden}.canvas-toolbar{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--border-subtle);background:#ffffffb3}.canvas-filename{flex:0 0 200px;max-width:220px;min-width:120px;padding:6px 10px;border-radius:10px;border:1px solid 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var(--border-subtle);background:var(--bg-secondary)}.canvas-editor-wrapper{flex:1;min-height:0;display:flex;overflow:hidden}.canvas-editor{flex:1;width:100%;resize:none;border:none;outline:none;padding:12px;font-family:JetBrains Mono,Fira Code,monospace;font-size:12px;line-height:1.5;background:var(--terminal-bg);color:var(--terminal-text)}.canvas-preview{flex:1;overflow:auto;padding:12px;background:#fff;color:var(--text-primary)}.canvas-preview.desktop-fill{padding:0;overflow:hidden}.canvas-preview pre{white-space:pre-wrap;font-family:JetBrains Mono,Fira Code,monospace;font-size:12px;line-height:1.5}.canvas-preview-iframe{border:none;background:#fff;display:block}.canvas-preview-iframe-fill{display:block}.canvas-device-host{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:auto}.canvas-device-frame{position:relative;background:#fff;border:1px solid rgba(17,24,39,.14);border-radius:14px;box-shadow:0 18px 45px #11182726;transform-origin:top 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rgba(176,0,32,.25);background:#b000200f;color:#b00020}.canvas-placeholder{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--text-tertiary);padding:20px;text-align:center}.canvas-placeholder-title{font-weight:600;color:var(--text-secondary)}.canvas-placeholder-sub{font-size:12px;max-width:360px}.hl-lined-editor{display:flex;flex:1;overflow:hidden;background:#1e1e2e}.hl-line-numbers{width:52px;flex-shrink:0;padding:20px 0;overflow:hidden;background:#ffffff05;border-right:1px solid rgba(255,255,255,.06);-webkit-user-select:none;user-select:none}.hl-line-num{height:22.95px;display:flex;align-items:center;justify-content:flex-end;padding-right:14px;font-family:JetBrains Mono,Fira Code,SF Mono,monospace;font-size:12px;color:#ffffff2e;line-height:1.7}.hl-editor-stack{position:relative;flex:1;min-width:0;overflow:hidden}.hl-highlight{position:absolute;top:0;right:0;bottom:0;left:0;overflow:auto;pointer-events:none;scrollbar-width:none}.hl-highlight::-webkit-scrollbar{width:0;height:0}.hl-textarea{position:absolute;top:0;right:0;bottom:0;left:0;padding:20px 20px 20px 16px;border:none;background:transparent;color:transparent;caret-color:var(--accent);font-family:JetBrains Mono,Fira Code,SF Mono,monospace;font-size:13.5px;line-height:1.7;resize:none;outline:none;tab-size:2;-moz-tab-size:2;white-space:pre;overflow:auto}.hl-textarea::selection{background:#6c5ce747}.hl-textarea::-webkit-scrollbar{width:6px;height:6px}.hl-textarea::-webkit-scrollbar-track{background:transparent}.hl-textarea::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}.hl-textarea::-webkit-scrollbar-thumb:hover{background:#fff3}