@import"https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500&display=swap";:root{--bg: #0f0f13;--surface: #1a1a24;--surface2: #22222f;--border: rgba(255,255,255,.07);--accent: #6c63ff;--accent2: #ff6584;--text: #f0f0f5;--text-muted: rgba(240,240,245,.5);--danger: #ff4757;--success: #2ed573;--radius: 16px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:DM Sans,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.app-container{display:flex;min-height:100vh}.content{flex:1;display:flex;flex-direction:column;min-height:100vh}.main-feed{flex:1;max-width:680px;width:100%;margin:0 auto;padding:24px 16px}.sidebar{width:240px;min-height:100vh;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 16px;position:sticky;top:0;height:100vh}.sidebar-logo{font-family:Syne,sans-serif;font-size:1.4rem;font-weight:800;color:var(--text);padding:8px 12px 24px;letter-spacing:-.5px}.sidebar-logo span{color:var(--accent)}.sidebar-nav{list-style:none;display:flex;flex-direction:column;gap:4px;flex:1}.sidebar-nav li a{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:12px;color:var(--text-muted);text-decoration:none;font-weight:500;font-size:.95rem;transition:all .2s}.sidebar-nav li a:hover{background:var(--surface2);color:var(--text)}.sidebar-nav li a.active{background:var(--accent);color:#fff}.sidebar-nav li a .nav-icon{font-size:1.1rem}.sidebar-user{display:flex;align-items:center;gap:10px;padding:12px;background:var(--surface2);border-radius:12px;margin-top:16px}.sidebar-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover}.sidebar-username{font-size:.875rem;font-weight:600;color:var(--text)}.app-header{background:var(--surface);border-bottom:1px solid var(--border);padding:16px 24px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-title{font-family:Syne,sans-serif;font-size:1.1rem;font-weight:700;color:var(--text)}.header-search{display:flex;align-items:center;gap:10px;background:var(--surface2);border:1px solid var(--border);border-radius:100px;padding:8px 16px;width:280px}.header-search input{background:none;border:none;outline:none;color:var(--text);font-family:DM Sans,sans-serif;font-size:.875rem;width:100%}.header-search input::placeholder{color:var(--text-muted)}.post-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;overflow:hidden;transition:transform .2s,box-shadow .2s;animation:slideUp .4s ease both}.post-card:hover{transform:translateY(-2px);box-shadow:0 12px 40px #0000004d}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.post-image{width:100%;max-height:400px;object-fit:cover}.post-body{padding:20px}.post-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.post-user{display:flex;align-items:center;gap:10px}.post-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;font-family:Syne,sans-serif;font-size:.85rem;font-weight:700;color:#fff;flex-shrink:0}.post-user-info{display:flex;flex-direction:column}.post-username{font-size:.875rem;font-weight:600;color:var(--text)}.post-time{font-size:.75rem;color:var(--text-muted)}.post-delete-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:6px;border-radius:8px;transition:all .2s;display:flex;align-items:center;font-size:1.1rem}.post-delete-btn:hover{background:#ff47571a;color:var(--danger)}.post-title{font-family:Syne,sans-serif;font-size:1.05rem;font-weight:700;color:var(--text);margin-bottom:8px;line-height:1.4}.post-content{font-size:.9rem;color:var(--text-muted);line-height:1.6;margin-bottom:14px}.post-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}.post-tag{background:#6c63ff26;color:var(--accent);border:1px solid rgba(108,99,255,.25);border-radius:100px;padding:3px 10px;font-size:.75rem;font-weight:500}.post-reactions{display:flex;align-items:center;gap:16px;padding-top:14px;border-top:1px solid var(--border)}.reaction-btn{display:flex;align-items:center;gap:6px;background:none;border:none;color:var(--text-muted);font-size:.875rem;font-weight:500;cursor:pointer;padding:6px 10px;border-radius:8px;transition:all .2s;font-family:DM Sans,sans-serif}.reaction-btn:hover{background:var(--surface2);color:var(--text)}.reaction-btn.likes:hover{color:var(--accent2)}.reaction-btn.dislikes:hover{color:var(--accent)}.create-post-container{max-width:680px;margin:24px auto;padding:0 16px}.create-post-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px}.create-post-title{font-family:Syne,sans-serif;font-size:1.3rem;font-weight:700;color:var(--text);margin-bottom:24px;display:flex;align-items:center;gap:10px}.form-group{margin-bottom:18px}.form-label{display:block;font-size:.82rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;margin-bottom:8px}.form-input{width:100%;background:var(--surface2);border:1.5px solid var(--border);border-radius:10px;padding:12px 16px;color:var(--text);font-family:DM Sans,sans-serif;font-size:.95rem;outline:none;transition:border-color .2s}.form-input:focus{border-color:var(--accent)}.form-input::placeholder{color:var(--text-muted)}textarea.form-input{resize:none}.image-upload-area{border:2px dashed var(--border);border-radius:12px;padding:32px;text-align:center;cursor:pointer;transition:all .2s;position:relative}.image-upload-area:hover{border-color:var(--accent);background:#6c63ff0d}.image-upload-area input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer;width:100%;height:100%}.upload-icon{font-size:2rem;margin-bottom:8px;display:block}.upload-text{font-size:.9rem;color:var(--text-muted)}.upload-text span{color:var(--accent);font-weight:600}.image-preview{position:relative;border-radius:12px;overflow:hidden}.image-preview img{width:100%;max-height:300px;object-fit:cover;border-radius:12px}.image-preview-remove{position:absolute;top:8px;right:8px;background:#000000b3;color:#fff;border:none;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:.8rem}.submit-btn{width:100%;background:var(--accent);color:#fff;border:none;border-radius:10px;padding:14px;font-family:Syne,sans-serif;font-size:1rem;font-weight:700;cursor:pointer;transition:all .2s;letter-spacing:.5px;margin-top:8px}.submit-btn:hover{background:#5a52e0;transform:translateY(-1px)}.welcome-message{text-align:center;padding:80px 20px}.welcome-icon{font-size:3rem;margin-bottom:16px;display:block}.welcome-title{font-family:Syne,sans-serif;font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:8px}.welcome-sub{font-size:.95rem;color:var(--text-muted)}.spinner-wrap{display:flex;justify-content:center;padding:60px 0}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app-footer{background:var(--surface);border-top:1px solid var(--border);padding:16px 24px;text-align:center;font-size:.8rem;color:var(--text-muted)}.app-footer a{color:var(--text-muted);text-decoration:none;margin:0 8px;transition:color .2s}.app-footer a:hover{color:var(--accent)}