: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.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}.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}