:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--bg: #0a0a0a;--surface: rgba(255, 255, 255, .04);--border: rgba(255, 255, 255, .1);--text: #fafafa;--text-dim: rgba(255, 255, 255, .55);--accent: #6ee7b7;--accent-dim: rgba(110, 231, 183, .15);--sq-empty: rgba(255, 255, 255, .06);--sq-low: #f87171;--sq-mid: #fbbf24;--sq-high: #34d399}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text)}.app{max-width:520px;margin:0 auto;padding:2rem 1.25rem 4rem;display:flex;flex-direction:column;gap:1.5rem}.app-header{text-align:center}.app-header h1{font-size:1.6rem;font-weight:700;letter-spacing:-.03em}.subtitle{color:var(--text-dim);font-size:.85rem;margin-top:.25rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:.75rem;padding:1.25rem 1.5rem}.card h2{font-size:.95rem;font-weight:600;letter-spacing:-.01em;margin-bottom:1rem;color:var(--text)}.habit-list{display:flex;flex-direction:column;gap:.5rem}.habit-btn{display:flex;align-items:center;gap:.75rem;background:#ffffff08;border:1px solid var(--border);border-radius:.5rem;padding:.65rem .85rem;color:var(--text);font-size:.9rem;cursor:pointer;transition:all .15s ease}.habit-btn:hover{background:#ffffff0f}.habit-btn.done{background:var(--accent-dim);border-color:var(--accent)}.check{width:1.25rem;height:1.25rem;display:flex;align-items:center;justify-content:center;border-radius:.25rem;border:1.5px solid var(--border);font-size:.75rem;flex-shrink:0;transition:all .15s ease}.habit-btn.done .check{background:var(--accent);border-color:var(--accent);color:#0a0a0a;font-weight:700}.habit-name{font-weight:500}.progress-text{margin-top:.75rem;font-size:.8rem;color:var(--text-dim);text-align:right}.streak-grid{display:flex;gap:.5rem;justify-content:space-between}.streak-col{display:flex;flex-direction:column;align-items:center;gap:.4rem}.streak-square{width:100%;aspect-ratio:1;min-width:2rem;max-width:3.25rem;border-radius:.35rem;transition:background .2s ease}.streak-label{font-size:.7rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.stat{display:flex;flex-direction:column}.stat-value{font-size:1.6rem;font-weight:700;letter-spacing:-.03em;color:var(--accent)}.stat-label{font-size:.75rem;color:var(--text-dim);margin-top:.1rem}.per-habit{margin-top:1.25rem}.per-habit h3{font-size:.8rem;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.6rem}.per-habit-row{display:flex;align-items:center;gap:.6rem;margin-bottom:.45rem}.per-habit-name{font-size:.8rem;width:7rem;flex-shrink:0}.bar-track{flex:1;height:.4rem;background:#ffffff0f;border-radius:.2rem;overflow:hidden}.bar-fill{height:100%;background:var(--accent);border-radius:.2rem;transition:width .25s ease}.per-habit-count{font-size:.75rem;color:var(--text-dim);width:2rem;text-align:right;flex-shrink:0}