:root{color:#111827;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f9fafb;font-family:system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0}.page{max-width:920px;margin:0 auto;padding:2.5rem 1.25rem 4rem}.header{text-align:center;margin-bottom:2rem}.header h1{margin:0 0 .4rem;font-size:clamp(1.6rem,4vw,2.4rem)}.subtitle{color:#6b7280;margin:0;font-size:1rem}.stats{flex-wrap:wrap;justify-content:center;gap:1rem;margin-bottom:1.75rem;display:flex}.stat{text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:12px;min-width:130px;padding:1rem 1.25rem}.stat-number{font-size:1.9rem;font-weight:700;line-height:1.1;display:block}.stat-label{color:#6b7280;text-transform:uppercase;letter-spacing:.03em;margin-top:.25rem;font-size:.85rem;display:block}.stat-past .stat-number{color:#9ca3af}.stat-today .stat-number{color:#16a34a}.stat-future .stat-number{color:#111827}.legend{color:#4b5563;flex-wrap:wrap;justify-content:center;gap:1.5rem;margin-bottom:2rem;font-size:.9rem;display:flex}.legend-item{align-items:center;gap:.45rem;display:inline-flex}.swatch{border:1px solid #d1d5db;border-radius:4px;width:16px;height:16px;display:inline-block}.swatch-past{background:#d1d5db}.swatch-today{background:#16a34a}.swatch-future{background:#fff}.month{margin-bottom:2rem}.month-label{color:#374151;margin:0 0 .85rem;font-size:1.1rem;font-weight:600}.grid{grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:8px;display:grid}.box{aspect-ratio:1;-webkit-user-select:none;user-select:none;border:1px solid #e5e7eb;border-radius:8px;justify-content:center;align-items:center;font-size:.85rem;font-weight:600;transition:transform 80ms;display:flex}.box:hover{transform:scale(1.06)}.box-future{color:#374151;background:#fff}.box-past{color:#6b7280;background:#d1d5db;border-color:#d1d5db}.box-today{color:#fff;background:#16a34a;border-color:#15803d;box-shadow:0 0 0 3px #16a34a40}