.login-container{display:flex;justify-content:center;align-items:center;height:100vh;background:linear-gradient(to right,#4f46e5,#9333ea)}.login-box{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 20px #0000001a;width:350px}.login-box h2{text-align:center;margin-bottom:1.5rem;color:#333}.signup-link{text-align:center;margin-top:1rem}.signup-link a{color:#4f46e5;text-decoration:none}.signup-link a:hover{text-decoration:underline}@media screen and (max-width: 600px){.login-box{width:90%}}*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,sans-serif}.signup-container{display:flex;justify-content:center;align-items:center;height:100vh;background:linear-gradient(to right,#4f46e5,#9333ea)}.signup-box{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 20px #0000001a;width:350px}.signup-box h2{text-align:center;margin-bottom:1.5rem;color:#333}.input-group{margin-bottom:1rem}.input-group label{display:block;margin-bottom:.5rem;font-weight:700;color:#444}.input-group input{width:100%;padding:.8rem;border:1px solid #ccc;border-radius:8px;outline:none;transition:border-color .3s}.input-group input:focus{border-color:#4f46e5}.btn{width:100%;padding:.8rem;border:none;background:#4f46e5;color:#fff;font-size:1rem;border-radius:8px;cursor:pointer;transition:background .3s}.btn:hover{background:#3730a3}.login-link{text-align:center;margin-top:1rem}.login-link a{color:#4f46e5;text-decoration:none}.login-link a:hover{text-decoration:underline}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#f0f2f5}.feed-container{display:flex;flex-direction:column;min-height:100vh}.navbar{background:linear-gradient(135deg,#667eea,#764ba2);padding:12px 40px;display:flex;justify-content:space-between;align-items:center;color:#fff;box-shadow:0 2px 8px #0000001a;position:sticky;top:0;z-index:100}.logo{font-size:1.6rem;font-weight:700;margin:0;letter-spacing:-.5px}.main-content{display:flex;justify-content:center;max-width:680px;width:100%;margin:20px auto;padding:0 20px}.sidebar{position:sticky;top:80px;height:fit-content}.user-profile-card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 2px 8px #0000001a;text-align:center;margin-bottom:20px}.profile-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;margin:0 auto 15px;overflow:hidden}.profile-avatar .avatar-img{width:100%;height:100%;object-fit:cover}.user-profile-card h3{margin:10px 0 5px;font-size:1.1rem;color:#333}.user-stats{display:flex;justify-content:center;gap:20px;margin-top:15px;font-size:.9rem;color:#666}.sidebar-menu{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;overflow:hidden}.menu-item{display:flex;align-items:center;padding:15px 20px;color:#555;text-decoration:none;transition:all .2s ease;border-left:3px solid transparent}.menu-item:hover{background:#f7f9fc;border-left-color:#667eea}.menu-item.active{background:#f0f2ff;color:#667eea;border-left-color:#667eea;font-weight:600}.menu-icon{margin-right:12px;font-size:1.2rem}.feed-main{min-height:100vh}.create-post-card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 2px 8px #0000001a;margin-bottom:20px}.card-title{margin:0 0 15px;font-size:1.1rem;color:#333;font-weight:600}.create-post-card textarea,.create-post-card input{width:100%;margin-bottom:12px;padding:12px;border:1px solid #e4e6eb;border-radius:8px;font-family:inherit;font-size:.95rem;resize:none;transition:border-color .2s ease}.create-post-card textarea:focus,.create-post-card input:focus{outline:none;border-color:#667eea}.create-post-card button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:12px 24px;border:none;border-radius:8px;font-weight:600;cursor:pointer;width:100%;transition:transform .2s ease,box-shadow .2s ease;font-size:.95rem}.create-post-card button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.posts-list{display:flex;flex-direction:column;gap:20px}.post-card{background:#fff;border-radius:12px;padding:0;box-shadow:0 2px 8px #0000001a;transition:box-shadow .2s ease}.post-card:hover{box-shadow:0 4px 16px #00000026}.post-header{padding:15px 20px;border-bottom:1px solid #e4e6eb;display:flex;justify-content:space-between;align-items:center}.post-author{display:flex;align-items:center;gap:12px}.author-avatar{width:45px;height:45px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.1rem;overflow:hidden}.author-avatar .avatar-img{width:100%;height:100%;object-fit:cover}.author-info{flex:1}.post-user{font-weight:600;margin:0 0 4px;color:#333;font-size:.95rem}.clickable-username{cursor:pointer;transition:color .2s ease}.clickable-username:hover{color:#0095f6}.feed-follow-btn{background:#0095f6;color:#fff;border:none;padding:6px 16px;border-radius:8px;font-weight:600;font-size:.875rem;cursor:pointer;transition:all .2s ease}.feed-follow-btn:hover{background:#1877f2}.feed-unfollow-btn{background:transparent;color:#262626;border:1px solid #dbdbdb;padding:6px 16px;border-radius:8px;font-weight:600;font-size:.875rem;cursor:pointer;transition:all .2s ease}.feed-unfollow-btn:hover{background:#fafafa;border-color:#b3b3b3}.feed-delete-post-btn{background:transparent;color:#e41e3f;border:1px solid #e41e3f;padding:6px 14px;border-radius:8px;font-weight:600;font-size:.85rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:4px}.feed-delete-post-btn:hover{background:#e41e3f;color:#fff}.delete-comment-btn{background:transparent;border:none;color:#aaa;font-size:1.2rem;cursor:pointer;padding:0 4px;line-height:1;flex-shrink:0;transition:color .2s ease;margin-left:auto}.delete-comment-btn:hover{color:#e41e3f}.post-time{font-size:.8rem;color:#65676b;margin:0}.post-text{font-size:.95rem;margin:0;padding:15px 20px;color:#333;line-height:1.5}.post-image{max-width:100%;width:100%;display:block;border-radius:0}.post-actions{display:flex;gap:16px;padding:8px 16px;align-items:center}.action-btn{background:transparent;border:none;padding:8px;font-size:1.5rem;cursor:pointer;transition:opacity .2s ease;color:#262626}.action-btn:hover{opacity:.6}.action-btn.liked{animation:likeAnimation .4s ease}@keyframes likeAnimation{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.post-stats{padding:0 16px 8px;font-size:.875rem}.stat-item{color:#262626;font-weight:600}.comments-preview{padding:0 20px;margin-top:8px;display:flex;flex-direction:column;gap:6px}.preview-comment{font-size:.875rem;line-height:1.5}.preview-author{font-weight:600;color:#262626;margin-right:6px}.preview-text{color:#262626;font-weight:400}.comments-list-section{padding:12px 20px;max-height:300px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.comments-list-section::-webkit-scrollbar{width:6px}.comments-list-section::-webkit-scrollbar-track{background:transparent}.comments-list-section::-webkit-scrollbar-thumb{background:#dbdbdb;border-radius:3px}.comment-row{display:flex;gap:12px;align-items:flex-start}.comment-avatar-small{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem;flex-shrink:0;overflow:hidden}.comment-avatar-small .avatar-img{width:100%;height:100%;object-fit:cover}.comment-content-inline{flex:1;font-size:.875rem;line-height:1.5}.comment-author-inline{font-weight:600;color:#262626;margin-right:6px}.comment-text-inline{color:#262626;font-weight:400;word-wrap:break-word}.post-actions{display:flex;justify-content:space-around;padding:6px 20px 8px;gap:10px;border-top:1px solid #efefef;border-bottom:1px solid #efefef;margin-top:12px}.action-btn{flex:1;background:transparent;border:none;padding:10px;font-size:.9rem;cursor:pointer;color:#65676b;border-radius:6px;font-weight:500;transition:background .2s ease;display:flex;align-items:center;justify-content:center;gap:6px}.action-btn:hover{background:#f0f2f5}.action-btn.liked{color:#e41e3f}.action-btn.saved{color:#f5a623}.no-posts-card{background:#fff;padding:60px 20px;border-radius:12px;text-align:center;box-shadow:0 2px 8px #0000001a}.no-posts{font-size:1.2rem;color:#65676b;margin:0 0 10px}.no-posts-sub{color:#999;margin:0;font-size:.9rem}.add-comment-inline{display:flex;gap:12px;padding:12px 20px;align-items:center;border-top:1px solid #efefef}.add-comment-avatar-inline{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem;flex-shrink:0}.add-comment-inline input{flex:1;padding:0;border:none;font-family:inherit;font-size:.875rem;background:transparent;color:#262626}.add-comment-inline input:focus{outline:none}.add-comment-inline input::placeholder{color:#8e8e8e}.post-btn-inline{background:transparent;color:#0095f6;border:none;padding:0;cursor:pointer;font-weight:600;font-size:.875rem;transition:color .2s ease}.post-btn-inline:hover{color:#00376b}.no-comments{color:#8e8e8e;font-size:.875rem;text-align:center;padding:20px;margin:0;font-style:italic}.right-sidebar{position:sticky;top:80px;height:fit-content}.trending-card,.suggestions-card{background:#fff;padding:20px;border-radius:12px;box-shadow:0 2px 8px #0000001a;margin-bottom:20px}.trending-card h3,.suggestions-card h3{margin:0 0 15px;font-size:1.1rem;color:#333;font-weight:600}.trending-item{padding:10px 0;border-bottom:1px solid #e4e6eb;cursor:pointer;transition:background .2s ease}.trending-item:last-child{border-bottom:none}.trending-item:hover{background:#f7f9fc;margin:0 -10px;padding:10px;border-radius:8px}.trending-item p{margin:0 0 4px;color:#333;font-weight:600;font-size:.9rem}.trending-item span{font-size:.8rem;color:#65676b}.suggestion-text{color:#65676b;font-size:.9rem;margin-bottom:15px}.invite-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-weight:600;width:100%;transition:transform .2s ease}.invite-btn:hover{transform:translateY(-2px)}@media (max-width: 680px){.main-content{padding:0 12px}}.profile-container{max-width:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#fafafa;min-height:100vh}.navbar{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:12px 40px;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px #0000001a}.navbar .logo{font-size:1.6rem;font-weight:700;margin:0}.nav-links{display:flex;gap:10px;align-items:center}.nav-links a,.nav-links button{background:#fff3;border:none;padding:8px 16px;border-radius:20px;color:#fff;cursor:pointer;font-weight:500;transition:all .3s ease;text-decoration:none;font-size:.9rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.nav-links a:hover,.nav-links button:hover{background:#ffffff4d;transform:translateY(-2px)}.profile-content{max-width:935px;margin:30px auto;padding:0 20px}.profile-header-section{display:flex;margin-bottom:44px;gap:30px;background:#fff;padding:40px;border-radius:12px;box-shadow:0 2px 8px #0000001a}.profile-avatar-large{width:150px;height:150px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:4rem;font-weight:600;flex-shrink:0;box-shadow:0 4px 12px #00000026;overflow:hidden}.profile-avatar-large .profile-pic-img{width:100%;height:100%;object-fit:cover}.profile-info{flex:1;display:flex;flex-direction:column;gap:20px}.profile-username-row{display:flex;align-items:center;gap:20px}.profile-username{font-size:28px;font-weight:300;margin:0;color:#262626}.edit-profile-btn{background:transparent;border:1px solid #dbdbdb;padding:7px 16px;border-radius:8px;font-weight:600;cursor:pointer;font-size:14px;transition:all .2s 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p{margin:0;line-height:1.5;display:-webkit-box;-webkit-line-clamp:6;line-clamp:6;-webkit-box-orient:vertical;overflow:hidden}.post-overlay{position:absolute;inset:0;background:#0000004d;display:flex;align-items:center;justify-content:center;gap:30px;opacity:0;transition:opacity .2s ease}.overlay-stat{color:#fff;font-weight:600;font-size:16px;display:flex;align-items:center;gap:8px}.profile-delete-post-btn{position:absolute;top:8px;right:8px;background:#0000008c;border:none;color:#fff;font-size:1.1rem;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s ease,transform .15s ease;z-index:10}.profile-delete-post-btn:hover{background:#e41e3f;transform:scale(1.1)}.no-posts-message{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center}.no-posts-icon{font-size:80px;margin-bottom:20px;opacity:.3}.no-posts-message h3{font-size:28px;font-weight:300;margin:0 0 10px;color:#262626}.no-posts-message p{font-size:14px;color:#8e8e8e;margin:0 0 20px}.share-first-post{background:#0095f6;color:#fff;padding:10px 24px;border-radius:8px;text-decoration:none;font-weight:600;font-size:14px;transition:background .2s ease}.share-first-post:hover{background:#1877f2}@media (max-width: 768px){.profile-header-section{flex-direction:column;align-items:center;text-align:center;padding:30px 20px}.profile-avatar-large{width:100px;height:100px;font-size:3rem}.profile-username-row{flex-direction:column;gap:10px}.profile-stats{width:100%;justify-content:space-around}.profile-posts-grid{grid-template-columns:repeat(3,1fr);gap:4px}.profile-tabs{gap:20px;padding:0 20px}}.modal-overlay{position:fixed;inset:0;background:#0009;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:#fff;border-radius:12px;width:90%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 8px 32px #0003;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #efefef}.modal-header h2{margin:0;font-size:1.25rem;font-weight:600;color:#262626}.modal-close{background:none;border:none;font-size:2rem;color:#8e8e8e;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:color .2s ease}.modal-close:hover{color:#262626}.modal-body{padding:24px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:#262626;font-size:14px}.form-group input,.form-group textarea{width:100%;padding:12px 16px;border:1px solid #dbdbdb;border-radius:8px;font-size:14px;font-family:inherit;transition:border-color .2s ease;box-sizing:border-box}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#0095f6}.form-group textarea{resize:vertical;min-height:80px}.profile-pic-preview{margin-top:12px;text-align:center}.profile-pic-preview img{width:100px;height:100px;border-radius:50%;object-fit:cover;border:2px solid #dbdbdb}.modal-footer{display:flex;justify-content:flex-end;gap:12px;padding:16px 24px;border-top:1px solid #efefef}.btn-cancel,.btn-save{padding:8px 20px;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s ease;border:none}.btn-cancel{background:transparent;color:#262626;border:1px solid #dbdbdb}.btn-cancel:hover{background:#fafafa}.btn-save{background:#0095f6;color:#fff}.btn-save:hover{background:#1877f2}.settings-modal{max-width:560px}.settings-section{margin-bottom:32px;padding-bottom:28px;border-bottom:1px solid #efefef}.settings-section:last-child{border-bottom:none;margin-bottom:0}.settings-section-title{font-size:15px;font-weight:700;color:#262626;margin:0 0 16px}.settings-submit-btn{width:100%;padding:10px;font-size:14px;margin-top:4px}.settings-error{color:#e41e3f;font-size:13px;margin:8px 0;font-weight:500}.settings-success{color:#0a8f4b;font-size:13px;margin:8px 0;font-weight:500}.danger-zone{background:#fff8f8;border-radius:10px;padding:20px;border:1px solid #ffd0d0}.danger-title{color:#e41e3f}.danger-desc{font-size:13px;color:#65676b;margin:0 0 16px;line-height:1.5}.btn-danger{background:#e41e3f;color:#fff;border:none;padding:10px 20px;border-radius:8px;font-weight:700;font-size:14px;cursor:pointer;transition:all .2s ease;width:100%;margin-top:4px}.btn-danger:hover{background:#c0172f;transform:translateY(-1px)}