:root{color-scheme:dark;--bg: #14161a;--panel: #1c1f26;--border: #2c3038;--text: #e6e8ec;--muted: #9aa1ac;--accent: #4c8f3d;--accent-hover: #5da84c;--danger: #c23b32;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit}button{font-family:inherit;font-size:.9rem;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:.5rem .9rem;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}button svg{vertical-align:-4px;margin-right:.3rem}.icon-btn svg,h3 svg{margin-right:.35rem}button.primary{background:var(--accent);border-color:var(--accent);color:#0c1a08;font-weight:600}button.primary:hover:not(:disabled){background:var(--accent-hover)}input[type=number],input[type=text]{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:4px;padding:.3rem .5rem;width:5.5rem;font-family:inherit}.page{max-width:1100px;margin:0 auto;padding:2rem 1.5rem}@media(max-width:480px){.page{padding:1.25rem 1rem}}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1.25rem;margin-bottom:1.25rem}.row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}.muted{color:var(--muted)}.seed-display{font-family:ui-monospace,Menlo,monospace;font-size:1.1rem;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:.6rem .9rem;flex:1;min-width:0;overflow-x:auto;white-space:nowrap}.world-list-item{display:flex;justify-content:space-between;align-items:center;padding:.6rem 0;border-bottom:1px solid var(--border)}.world-list-item:last-child{border-bottom:none}.icon-toolbar{display:flex;gap:.3rem;flex-wrap:wrap}.icon-btn{width:40px;height:40px;padding:0;display:flex;align-items:center;justify-content:center;flex-shrink:0}.icon-btn.active{background:var(--accent);border-color:var(--accent);color:#0c1a08}.tool-caption{font-size:.8rem;color:var(--muted);margin:.35rem 0 0}@media(pointer:coarse){.icon-btn{width:46px;height:46px;min-height:46px}}.editor-shell{display:flex;flex-direction:column;height:100vh;height:100dvh}.editor-header{padding:.6rem 1rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:.5rem;flex-wrap:wrap;position:relative;z-index:40}.editor-body{flex:1;display:flex;min-height:0;position:relative}.editor-view{flex:1;min-width:0}.editor-sidebar{width:320px;flex-shrink:0;border-left:1px solid var(--border);padding:1rem;overflow-y:auto;background:var(--bg)}.sidebar-toggle,.sidebar-backdrop{display:none}@media(pointer:coarse){button{padding:.65rem 1rem;min-height:44px}input[type=number],input[type=text],select{min-height:44px}}@media(max-width:860px){.editor-sidebar{position:fixed;inset:auto 0 0 0;height:75vh;width:100%;border-left:none;border-top:1px solid var(--border);border-radius:14px 14px 0 0;box-shadow:0 -8px 32px #0000008c;transform:translateY(105%);transition:transform .22s ease;z-index:30}.editor-sidebar.open{transform:translateY(0)}.sidebar-toggle{display:inline-flex}.sidebar-backdrop.open{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:25}.editor-header{padding:.5rem .65rem}.editor-header .row{gap:.4rem}}