@tailwind base;@tailwind components;@tailwind utilities;*{box-sizing:border-box;padding:0;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto}.header{text-align:center;margin-bottom:32px}.header h1{font-size:32px;font-weight:700;color:#1f2937}.header p{color:#6b7280;font-size:16px;margin-top:8px}.habit-card{background:white;border:3px solid;border-radius:24px;padding:32px;margin-bottom:24px;box-shadow:0 4px 6px rgba(0,0,0,.05)}.habit-card h2{font-size:24px;font-weight:700;color:#1f2937;margin-bottom:16px}.month-title{font-size:20px;font-weight:600;color:#374151;text-align:center;margin-bottom:20px}.calendar{display:grid;grid-template-columns:repeat(7,1fr);grid-gap:10px;gap:10px;margin-top:20px}@media (min-width:768px){.calendar{gap:14px}}.day-header{text-align:center;font-weight:600;font-size:12px;color:#6b7280;padding:8px 0}@media (min-width:768px){.day-header{font-size:14px}}.day-cell{padding:10px;border:2px solid #e5e7eb;border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;position:relative;height:70px;background:white}@media (min-width:768px){.day-cell{padding:12px;height:90px;border-radius:12px}}.day-cell:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.day-cell.today{border-width:3px;box-shadow:0 0 0 3px rgba(59,130,246,.1)}.day-cell.past{opacity:.5}.day-number{font-size:13px;font-weight:600;margin-bottom:2px}@media (min-width:768px){.day-number{font-size:16px;margin-bottom:4px}}.check-button{position:absolute;bottom:4px;left:50%;transform:translateX(-50%);padding:3px 6px;font-size:10px;border:none;border-radius:4px;cursor:pointer;color:white;font-weight:600;transition:all .2s;white-space:nowrap}@media (min-width:768px){.check-button{padding:5px 8px;font-size:11px;border-radius:6px;bottom:6px}}.check-button:hover{opacity:.9;transform:scale(1.05)}.checkmark{font-size:18px;font-weight:700}@media (min-width:768px){.checkmark{font-size:24px}}.info-box{background:white;border:2px solid #e5e7eb;border-radius:16px;padding:20px;text-align:center}.info-box p{margin:8px 0;color:#374151;font-size:14px}.habit-tab{padding:12px 24px;background:white;border:2px solid #d1d5db;border-radius:12px;cursor:pointer;font-size:15px;font-weight:600;transition:all .2s}.habit-tab:hover{border-color:#9ca3af;transform:translateY(-2px)}.habit-tab.active{color:white;box-shadow:0 4px 12px rgba(0,0,0,.15)}