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ease}.day-cell:hover{transform:scale(1.2)}.legend{margin-top:20px;font-size:12px;display:flex;align-items:center;gap:5px}.legend-box{width:14px;height:14px;border-radius:3px}.heatmap-container{overflow-x:auto}@media(max-width:768px){.activity-container{padding:20px}}.profile-page{min-height:100vh;background:linear-gradient(135deg,#eef2ff,#f8fafc);padding:60px 20px;font-family:Segoe UI,sans-serif}.profile-card{background:#fff;border-radius:20px;padding:40px;box-shadow:0 20px 40px #00000014;text-align:center;transition:.3s ease}.profile-card:hover{transform:translateY(-5px)}.profile-title{font-weight:700;margin-bottom:25px;color:#1f2937}.profile-avatar{width:100px;height:100px;margin:0 auto 20px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#6366f1);color:#fff;display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:600;box-shadow:0 8px 20px #00000026}.profile-username{font-size:1.2rem;font-weight:600;margin-bottom:5px;color:#111827}.profile-email{color:#6b7280;margin-bottom:25px}.profile-buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.profile-buttons .btn{border-radius:25px;padding:8px 20px;font-weight:500;transition:.3s ease}.profile-buttons .btn:hover{transform:scale(1.05)}.activity-section{margin-top:60px}@media(max-width:768px){.profile-card{padding:25px}.profile-buttons{flex-direction:column}.profile-buttons .btn{width:100%}}.community-container{max-width:800px;margin:40px auto}.post-card{display:flex;justify-content:space-between;background:#fff;border:1px solid #e6e6e6;border-radius:10px;padding:20px;margin-bottom:20px;transition:.2s ease}.post-card:hover{box-shadow:0 4px 12px #0000000d}.post-header{display:flex;align-items:center;gap:10px}.avatar{border-radius:50%}.pinned{font-size:12px;color:orange}.post-title{margin:10px 0;font-size:18px}.post-content{color:#555;font-size:14px}.post-footer{margin-top:10px;display:flex;gap:20px;font-size:14px;color:#666}.post-right img{width:120px;border-radius:8px}