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- 48px);background:var(--bg-primary);border:1px solid var(--border);border-radius:12px;box-shadow:0 12px 40px var(--shadow)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);font-size:14px;font-weight:600}.modal-body{display:flex;flex-direction:column;gap:16px;padding:20px}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:1px solid var(--border)}.modal-hint{font-size:12px;color:var(--text-secondary);line-height:1.5}.modal-hint a{color:var(--accent);text-decoration:none}.modal-hint a:hover{text-decoration:underline}.modal-error{font-size:12px;color:var(--error)}.segmented{display:flex;gap:4px;padding:4px;background:var(--bg-tertiary);border-radius:8px}.segmented button{flex:1;padding:6px 12px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease}.segmented button.active{background:var(--bg-primary);color:var(--accent);box-shadow:0 1px 4px var(--shadow)}.field-row{display:flex;gap:12px}.field{display:flex;flex:1;flex-direction:column;gap:6px;font-size:12px;color:var(--text-secondary)}.field input,.field select{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:var(--bg-secondary);color:var(--text-primary);font-size:13px;font-family:inherit}.embed-snippet{margin:0;padding:12px;border:1px solid var(--border);border-radius:6px;background:var(--code-bg);color:var(--text-primary);font-family:JetBrains Mono,Fira Code,monospace;font-size:12px;line-height:1.5;white-space:pre;overflow-x:auto}.source-link{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12px}.source-link-label{color:var(--text-secondary);flex:none}.source-link-url{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-primary);font-family:JetBrains Mono,Fira Code,monospace}.progress{height:6px;border-radius:3px;background:var(--bg-tertiary);overflow:hidden}.progress-fill{height:100%;background:var(--accent);transition:width .1s linear}.mobile-tabs{flex-shrink:0;padding:8px 12px;background:var(--bg-tertiary);border-bottom:1px solid var(--border)}@media(max-width:768px){.app-layout{grid-template-columns:1fr;height:100dvh}.header{padding:0 12px}.header h1{font-size:16px}.menu-btn{display:flex}.header-link,.status-bar,.theme-toggle{display:none}.sidebar{position:fixed;top:56px;bottom:0;left:0;z-index:50;width:min(300px,85vw);transform:translate(-100%);transition:transform .25s ease;box-shadow:4px 0 24px var(--shadow)}.sidebar.sidebar-open{transform:translate(0)}.sidebar-backdrop{position:fixed;top:56px;right:0;bottom:0;left:0;z-index:40;background:#0006}.main-content{display:flex;flex-direction:column}.split-divider{display:none}.editor-panel,.preview-panel{flex:1;min-height:0}.pane-hidden,.timeline-slider,.timeline-export{display:none}.timeline-time{flex:1}.preview-container{padding:12px}.params-gui{top:8px;right:8px}.welcome-page,.welcome{flex:1}.welcome-page{padding:20px 16px 32px}.example-grid{grid-template-columns:1fr 1fr;gap:12px}}