:root{--bg: #0f1020;--card: #1a1c33;--accent: #7c5cff;--accent-2: #44e0c4;--text: #e8e9f3;--muted: #9aa0c0}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:radial-gradient(1200px 600px at 70% -10%,#2a2350,var(--bg));color:var(--text);min-height:100vh}.wrap{max-width:460px;margin:0 auto;padding:48px 20px}header h1{margin:0;font-size:2.4rem;letter-spacing:.5px;background:linear-gradient(90deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}.tagline{margin:4px 0 28px;color:var(--muted)}form#add{display:flex;gap:8px;margin-bottom:22px}#name{flex:1;padding:12px 14px;border-radius:12px;border:1px solid #2c2f50;background:var(--card);color:var(--text);font-size:1rem}#name:focus{outline:none;border-color:var(--accent)}form#add button{padding:0 18px;border:none;border-radius:12px;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}.habits{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.habits li{display:flex;flex-direction:column;gap:8px;padding:12px 14px;background:var(--card);border:1px solid #2c2f50;border-radius:14px}.habit-row{display:flex;align-items:center;gap:12px}.heatmap{display:grid;grid-template-columns:repeat(30,1fr);gap:2px}.heatmap-cell{aspect-ratio:1;border-radius:2px;background:#2c2f50;min-width:0}.heatmap-cell.done{background:var(--accent)}.weekly-stats{font-size:.75rem;color:var(--muted);text-align:right}.habits li.done{border-color:var(--accent-2)}.habits li.empty{align-items:center;justify-content:center;color:var(--muted);border-style:dashed}.check{width:30px;height:30px;flex:0 0 auto;border-radius:50%;border:2px solid #3a3e66;background:transparent;color:var(--accent-2);font-weight:800;cursor:pointer}li.done .check{background:var(--accent-2);border-color:var(--accent-2);color:#07221d}.hname{flex:1}.del{border:none;background:transparent;color:var(--muted);font-size:1.3rem;line-height:1;cursor:pointer}.del:hover{color:#ff6b8b}footer{margin-top:40px;text-align:center;color:var(--muted);font-size:.8rem}