@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary: #0a0a0b;--bg-secondary: #111113;--bg-tertiary: #18181b;--bg-elevated: #1f1f23;--bg-hover: #27272a;--primary: #3b82f6;--primary-hover: #2563eb;--primary-active: #1d4ed8;--primary-muted: rgba(59, 130, 246, .15);--primary-glow: rgba(59, 130, 246, .25);--danger: #ef4444;--danger-hover: #dc2626;--danger-muted: rgba(239, 68, 68, .15);--success: #22c55e;--success-muted: rgba(34, 197, 94, .15);--warning: #f59e0b;--warning-muted: rgba(245, 158, 11, .15);--text-primary: #fafafa;--text-secondary: #a1a1aa;--text-muted: #71717a;--text-disabled: #52525b;--border: rgba(255, 255, 255, .08);--border-light: rgba(255, 255, 255, .04);--border-focus: rgba(59, 130, 246, .5);--divider: rgba(255, 255, 255, .06);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .6);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .7);--shadow-glow: 0 0 20px var(--primary-glow);--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--sidebar-width: 240px;--navbar-height: 64px;--content-max-width: 640px;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);min-height:100vh;overflow-x:hidden}a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-hover)}img,video{max-width:100%;height:auto;display:block}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:inherit}:focus{outline:none}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--text-primary)}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.text-primary-color{color:var(--primary)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.text-center{text-align:center}.app-layout{display:flex;flex-direction:column;min-height:100vh}.main-container{display:flex;flex:1;padding-top:var(--navbar-height)}.content{flex:1;min-width:0;padding:var(--space-6);margin-left:var(--sidebar-width)}.container{max-width:var(--content-max-width);margin:0 auto;width:100%}.navbar{position:fixed;top:0;left:0;right:0;height:var(--navbar-height);background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#111113d9}.navbar-content{display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 var(--space-6);max-width:1400px;margin:0 auto}.logo{display:flex;align-items:center;gap:var(--space-3);font-size:var(--font-size-xl);font-weight:700;color:var(--text-primary);text-decoration:none}.logo span:first-child{font-size:1.5rem}.nav-links{display:flex;align-items:center;gap:var(--space-3)}.sidebar{position:fixed;left:0;top:var(--navbar-height);bottom:0;width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);padding:var(--space-6) var(--space-4);overflow-y:auto;z-index:50}.sidebar-links{display:flex;flex-direction:column;gap:var(--space-2)}.sidebar-link{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:var(--text-secondary);font-size:var(--font-size-sm);font-weight:500;text-decoration:none;transition:all var(--transition-fast)}.sidebar-link:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-link.active{background:var(--primary-muted);color:var(--primary)}.sidebar-link .icon{font-size:1.25rem;width:24px;display:flex;align-items:center;justify-content:center}.nav-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center}.nav-icon svg{width:20px;height:20px;stroke:currentColor;stroke-width:2;fill:none}.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:64px;background:var(--bg-secondary);border-top:1px solid var(--border);z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#111113f2;padding-bottom:env(safe-area-inset-bottom);height:calc(64px + env(safe-area-inset-bottom))}.bottom-nav-link{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;color:var(--text-muted);text-decoration:none;transition:color var(--transition-fast)}.bottom-nav-link:hover,.bottom-nav-link.active{color:var(--primary)}.bottom-nav-link .icon{font-size:1.5rem}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-5);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}@media (max-width: 768px){.card{padding:var(--space-4);border-radius:var(--radius-md)}}.card:hover{border-color:var(--border-light)}.card-elevated{background:var(--bg-elevated);box-shadow:var(--shadow-md)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);font-size:var(--font-size-sm);font-weight:500;border-radius:var(--radius-md);border:1px solid transparent;transition:all var(--transition-fast);white-space:nowrap;cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover)}.btn-primary:active:not(:disabled){background:var(--primary-active)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border)}.btn-ghost{background:transparent;color:var(--text-secondary);border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--bg-tertiary);color:var(--text-primary)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger-hover);border-color:var(--danger-hover)}.btn-sm{padding:var(--space-2) var(--space-3);font-size:var(--font-size-xs);border-radius:var(--radius-sm)}.btn-lg{padding:var(--space-4) var(--space-6);font-size:var(--font-size-base)}.form-group{margin-bottom:var(--space-4)}.form-label{display:block;margin-bottom:var(--space-2);font-size:var(--font-size-sm);font-weight:500;color:var(--text-secondary)}.form-input{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--font-size-base);color:var(--text-primary);background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.input{width:100%;padding:10px 14px;font-size:14px;color:#fafafa;background:#18181b;border:1px solid #3f3f46;border-radius:6px;transition:border-color .2s,background .2s;font-family:inherit}.input::placeholder{color:#71717a}.input:hover{border-color:#52525b;background:#1f1f23}.input:focus{border-color:#3b82f6;background:#1f1f23;outline:none}textarea.input{resize:vertical;min-height:80px;line-height:1.5}.form-input::placeholder{color:var(--text-muted)}.form-input:hover{border-color:var(--text-muted)}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-muted)}textarea.form-input{resize:vertical;min-height:100px}select.form-input{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2371717a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;padding:var(--space-4);animation:fadeIn .2s ease}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:480px;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-xl);animation:slideUp .25s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-5) var(--space-6);border-bottom:1px solid var(--border)}.modal-title{font-size:var(--font-size-lg);font-weight:600}.modal-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-muted);font-size:1.5rem;transition:all var(--transition-fast)}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-body{padding:var(--space-6);overflow-y:auto;flex:1}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:var(--space-3);padding:var(--space-4) var(--space-6);border-top:1px solid var(--border);background:var(--bg-tertiary)}.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-6);background:var(--bg-primary)}.auth-card{width:100%;max-width:400px;padding:var(--space-8)}.auth-header{text-align:center;margin-bottom:var(--space-8)}.auth-header .logo{justify-content:center;font-size:var(--font-size-2xl);margin-bottom:var(--space-3)}.auth-header p{color:var(--text-muted);font-size:var(--font-size-sm)}.auth-form{margin-top:var(--space-6)}.auth-footer{margin-top:var(--space-6);text-align:center;font-size:var(--font-size-sm);color:var(--text-muted)}.auth-footer a{color:var(--primary);font-weight:500}.feed{max-width:var(--content-max-width);margin:0 auto}.feed-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-6);flex-wrap:wrap;gap:var(--space-4)}.feed-title{font-size:var(--font-size-2xl);font-weight:700}.post-list{display:flex;flex-direction:column;gap:var(--space-4)}.empty-feed{text-align:center;padding:var(--space-12) var(--space-6)}.empty-feed-icon{font-size:3rem;margin-bottom:var(--space-4);opacity:.5}.post-card{padding:var(--space-5)}.post-card.repost{background:var(--bg-tertiary)}.post-header{margin-bottom:var(--space-4)}.post-author{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-3)}.author-avatar{width:44px;height:44px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-hover) 100%);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:var(--font-size-lg);color:#fff;overflow:hidden;flex-shrink:0}.author-avatar img{width:100%;height:100%;object-fit:cover}.author-name{font-weight:600;font-size:var(--font-size-sm);color:var(--text-primary)}.post-time{font-size:var(--font-size-xs);color:var(--text-muted)}.post-content{font-size:var(--font-size-base);line-height:1.6;color:var(--text-primary);margin-bottom:var(--space-4);white-space:pre-wrap;word-break:break-word}.post-media{margin:var(--space-4) 0;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-tertiary)}.post-media img,.post-media video{width:100%;display:block}.post-footer{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-4);border-top:1px solid var(--divider);margin-top:var(--space-4);gap:var(--space-2)}.post-actions{display:flex;gap:var(--space-2)}.comments-section{margin-top:var(--space-4)}.divider{border:none;height:1px;background:var(--divider);margin:var(--space-4) 0}.comments-list{display:flex;flex-direction:column;gap:var(--space-4);margin-top:var(--space-4)}.comment-thread{display:flex;flex-direction:column;gap:var(--space-2)}.comment-item{padding:var(--space-3) var(--space-4);background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.comment-item:hover{background:var(--bg-elevated);border-color:var(--border-focus)}.comment-item.reply{background:#ffffff05}.comment-meta{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-2)}.comment-author{font-weight:600;font-size:var(--font-size-sm);color:var(--primary)}.comment-time{font-size:var(--font-size-xs);color:var(--text-muted)}.btn-comment-reply{margin-left:auto;padding:4px 10px!important;height:auto!important;font-size:11px!important;opacity:.6;background:transparent!important;border:1px solid var(--border)!important;border-radius:var(--radius-sm)!important}.btn-comment-reply:hover{opacity:1;color:var(--text-primary)!important;background:var(--primary-muted)!important;border-color:var(--primary)!important}.comment-content{font-size:var(--font-size-sm);color:var(--text-primary);line-height:1.5;word-break:break-word}.comment-replies{margin-left:var(--space-8);border-left:2px solid var(--divider);padding-left:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3);margin-top:var(--space-1)}.comment-form{display:flex;gap:var(--space-3)}.comment-input{flex:1;padding:var(--space-3) var(--space-4);background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:var(--font-size-sm)}.comment-input:focus{border-color:var(--primary);outline:none}.profile-header{margin-bottom:var(--space-6);padding:0!important;overflow:hidden}.profile-cover{height:280px;background:linear-gradient(135deg,#667eea,#764ba2);background-size:cover;background-position:center;position:relative;overflow:hidden}.profile-cover:after{content:"";position:absolute;bottom:0;left:0;right:0;height:100px;background:linear-gradient(to top,rgba(10,10,11,.9),transparent);pointer-events:none}.profile-cover .cover-img{width:100%;height:100%;object-fit:cover}.cover-upload-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:opacity var(--transition-base);color:#fff;font-size:var(--font-size-sm)}.profile-cover:hover .cover-upload-overlay{opacity:1}.profile-avatar{width:140px;height:140px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-active) 100%);display:flex;align-items:center;justify-content:center;font-size:3rem;font-weight:700;color:#fff;border:5px solid var(--bg-primary);margin-top:-70px;position:relative;overflow:hidden;z-index:2;box-shadow:0 8px 32px #0006;transition:transform var(--transition-base)}.profile-avatar:hover{transform:scale(1.05)}.avatar-img{width:100%;height:100%;object-fit:cover}.avatar-upload-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:opacity var(--transition-base);font-size:1.5rem}.profile-avatar:hover .avatar-upload-overlay{opacity:1}.profile-name{font-size:var(--font-size-2xl);font-weight:700;margin-top:var(--space-4);word-wrap:break-word}.profile-top-container{padding:var(--space-8) var(--space-6)}.profile-top{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-6)}.profile-username-id{margin-top:var(--space-1);display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap}.profile-user-id{font-size:.85em;color:var(--text-muted)}.profile-info{margin-top:var(--space-2);font-size:.9em;color:var(--text-muted);display:flex;flex-wrap:wrap;gap:var(--space-3)}.profile-birth-date{display:inline-flex}.profile-bio{margin-top:var(--space-5);font-size:1rem;line-height:1.7;color:var(--text-secondary);white-space:pre-wrap;max-width:600px;overflow-wrap:break-word}.profile-bio p{margin-bottom:var(--space-3)}.profile-actions{display:flex;gap:var(--space-3);flex-wrap:wrap}.profile-feed-header{margin-top:var(--space-8)}.profile-stats{display:flex;gap:var(--space-8);margin-top:var(--space-6);padding-top:var(--space-6);border-top:1px solid var(--divider)}.profile-stats .stat-item{cursor:pointer;transition:transform var(--transition-fast)}.profile-stats .stat-item:hover{transform:translateY(-2px)}.stat-item{text-align:center}.stat-value{font-size:var(--font-size-xl);font-weight:700;color:var(--text-primary);display:block}.stat-label{font-size:var(--font-size-xs);color:var(--text-muted);margin-top:var(--space-1);display:block}.profile-container{max-width:800px;margin:0 auto}.profile-details{padding:0 var(--space-6) var(--space-6)}.profile-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--space-6)}.profile-avatar-container{position:relative;margin-left:var(--space-6)}.avatar-change-btn{position:absolute;bottom:5px;right:5px;width:36px;height:36px;border-radius:var(--radius-full);background:var(--bg-elevated);border:2px solid var(--bg-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;transition:all var(--transition-base);box-shadow:var(--shadow-md)}.avatar-change-btn:hover{background:var(--primary);transform:scale(1.1)}.change-cover-btn{position:absolute;top:var(--space-4);right:var(--space-4);background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1);color:#fff;padding:var(--space-2) var(--space-4);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:500;cursor:pointer;transition:all var(--transition-base)}.change-cover-btn:hover{background:#000000d9;border-color:var(--primary);transform:translateY(-2px)}.profile-edit-form{margin-top:var(--space-6);padding:var(--space-6);background:var(--bg-tertiary);border-radius:var(--radius-lg);border:1px solid var(--border)}.profile-edit-form .form-group{margin-bottom:var(--space-4)}.profile-edit-form .form-group:last-child{margin-bottom:0}.profile-edit-form label{display:block;font-size:var(--font-size-sm);font-weight:500;color:var(--text-secondary);margin-bottom:var(--space-2)}.profile-posts{margin-top:var(--space-8)}.profile-posts .section-title{font-size:var(--font-size-xl);font-weight:600;margin-bottom:var(--space-6);padding:0 var(--space-2)}.empty-state{text-align:center;padding:var(--space-12) var(--space-6);color:var(--text-muted)}.empty-state p{font-size:var(--font-size-lg)}.profile-card-classic{background:linear-gradient(180deg,#18181b,#111113);border-radius:8px;overflow:hidden;box-shadow:0 2px 8px #0000004d;margin-bottom:var(--space-6)}.profile-cover-classic{width:100%;height:200px;background-size:cover;background-position:center;position:relative}.cover-edit-btn{position:absolute;top:12px;right:12px;background:#0009;color:#fff;padding:6px 12px;border-radius:4px;font-size:13px;cursor:pointer;border:none;font-weight:500}.cover-edit-btn:hover{background:#000c}.profile-content-classic{padding:0 20px 20px;position:relative}.profile-avatar-classic{width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);border:4px solid #111113;margin-top:-60px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:3rem;font-weight:600;color:#fff}.profile-avatar-classic img{width:100%;height:100%;object-fit:cover}.avatar-edit-btn{position:absolute;bottom:4px;right:4px;width:32px;height:32px;border-radius:50%;background:#27272a;border:2px solid #111113;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px}.avatar-edit-btn:hover{background:#3b82f6}.profile-action-classic{position:absolute;top:80px;right:20px}.btn-edit-classic{background:#27272a;color:#fafafa;border:1px solid #3f3f46;padding:8px 20px;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}.btn-edit-classic:hover{background:#3f3f46}.btn-edit-classic.btn-following{background:#3b82f6;border-color:#3b82f6}.btn-edit-classic.btn-following:hover{background:#2563eb}.profile-info-classic{margin-top:16px}.profile-fullname{font-size:24px;font-weight:700;color:#fafafa;margin:0 0 4px;line-height:1.2}.profile-meta{font-size:14px;color:#71717a;margin-bottom:8px}.profile-details-line{font-size:14px;color:#a1a1aa;display:flex;gap:16px;margin-bottom:12px}.profile-details-line span{display:inline-flex;align-items:center;gap:4px}.profile-bio-classic{font-size:15px;color:#e4e4e7;line-height:1.5;margin-top:12px;margin-bottom:16px}.profile-stats-classic{margin-top:20px;padding-top:16px;border-top:1px solid #27272a;font-size:14px;color:#a1a1aa;display:flex;align-items:center;gap:8px}.profile-stats-classic strong{color:#fafafa;font-weight:600}.profile-edit-classic{margin-top:20px;padding:20px;background:#18181b;border-radius:6px;border:1px solid #27272a}.profile-edit-classic .form-group{margin-bottom:16px}.profile-edit-classic .form-group:last-child{margin-bottom:0}.profile-edit-classic label{display:block;font-size:13px;font-weight:500;color:#a1a1aa;margin-bottom:6px}@media (max-width: 768px){.profile-cover-classic{height:150px}.profile-avatar-classic{width:90px;height:90px;margin-top:-45px;font-size:2.2rem}.profile-action-classic{position:static;margin-top:12px}.btn-edit-classic{width:100%}.profile-fullname{font-size:20px}.profile-details-line{flex-direction:column;gap:8px}}@media (max-width: 768px){.profile-cover{height:180px}.profile-avatar{width:100px;height:100px;margin-top:-50px;font-size:2.5rem}.profile-top-container{padding:var(--space-4)}.profile-top{flex-direction:column;align-items:center;text-align:center}.profile-avatar{width:80px;height:80px;margin-top:-40px;font-size:2rem}.profile-name{font-size:var(--font-size-xl)}.profile-username-id,.profile-info{justify-content:center}.profile-bio{max-width:100%;font-size:var(--font-size-sm);padding:var(--space-3);background:var(--bg-tertiary);border-radius:var(--radius-md);margin-top:var(--space-4)}.profile-actions{width:100%;justify-content:center;margin-top:var(--space-4)}.profile-stats{gap:0;justify-content:space-around;padding-inline:var(--space-2)}.stat-value{font-size:var(--font-size-lg)}}.notif-list,.user-list{display:flex;flex-direction:column}.notif-item,.user-list-item{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4);border-bottom:1px solid var(--border);transition:background var(--transition-fast)}.notif-item:hover,.user-list-item:hover{background:var(--bg-tertiary)}.notif-item.unread{background:var(--primary-muted)}.notif-icon{width:40px;height:40px;border-radius:var(--radius-full);background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:1.25rem}.notif-content{flex:1}.notif-user{font-weight:600;color:var(--primary)}.notif-time{font-size:var(--font-size-xs);color:var(--text-muted);margin-top:var(--space-1)}.results-list{display:flex;flex-direction:column;gap:var(--space-3)}.media-upload{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:var(--space-8);text-align:center;cursor:pointer;transition:all var(--transition-fast)}.media-upload:hover{border-color:var(--primary);background:var(--primary-muted)}.media-upload input{display:none}.media-upload-icon{font-size:2.5rem;margin-bottom:var(--space-3);opacity:.7}.media-preview{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-tertiary)}.media-preview img,.media-preview video{width:100%;max-height:300px;object-fit:contain}.media-remove{position:absolute;top:var(--space-3);right:var(--space-3)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--space-12)}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mb-2{margin-bottom:var(--space-2)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.p-2{padding:var(--space-2)}.p-4{padding:var(--space-4)}.p-6{padding:var(--space-6)}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:var(--space-2)}.gap-4{gap:var(--space-4)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media (max-width: 1024px){.sidebar{width:72px;padding:var(--space-4) var(--space-2)}.sidebar-link{justify-content:center;padding:var(--space-3)}.sidebar-link span:not(.icon){display:none}.content{margin-left:72px}:root{--sidebar-width: 72px}}@media (max-width: 768px){.sidebar{display:none}.bottom-nav{display:flex}.content{margin-left:0;padding:var(--space-4);padding-bottom:calc(80px + env(safe-area-inset-bottom))}.navbar-content{padding:0 var(--space-4)}.profile-cover{height:150px}.profile-avatar{width:80px;height:80px;font-size:2rem;margin-top:-40px}.profile-stats{gap:var(--space-4)}.feed-header{flex-direction:column;align-items:stretch}.modal{max-height:100vh;border-radius:var(--radius-lg) var(--radius-lg) 0 0;margin-top:auto}}@media (max-width: 480px){.auth-card{padding:var(--space-6)}.post-footer{flex-wrap:wrap}.post-actions{gap:4px;flex:1;min-width:0}.post-actions .btn{padding:6px 8px;min-width:0}.post-actions .btn span{font-size:.8rem}.post-author{flex-wrap:wrap}.btn{padding:var(--space-2) var(--space-4)}.comment-form{flex-wrap:wrap;gap:var(--space-2)}.comment-input{width:100%;flex:none}.comment-form .btn{width:100%}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}*{scrollbar-width:thin;scrollbar-color:var(--bg-hover) var(--bg-primary)}.chat-page{height:calc(100vh - var(--navbar-height));padding-bottom:var(--space-4);display:flex;flex-direction:column}.chat-header{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-3) var(--space-5);display:flex;align-items:center;gap:var(--space-4);margin-bottom:var(--space-4);flex-shrink:0}.chat-messages{flex:1;overflow-y:auto;padding:var(--space-4);background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border);display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-4)}.message-wrapper{display:flex;flex-direction:column;max-width:70%}.message-wrapper.sent{align-self:flex-end;align-items:flex-end}.message-wrapper.received{align-self:flex-start;align-items:flex-start}.message-bubble{padding:10px 14px;border-radius:var(--radius-lg);font-size:var(--font-size-sm);line-height:1.4;word-break:break-word;position:relative;box-shadow:none}.message-bubble.sent{background:var(--primary);color:#fff;border-bottom-right-radius:var(--radius-xs)}.message-bubble.received{background:var(--bg-hover);color:var(--text-primary);border-bottom-left-radius:var(--radius-xs)}.message-time{font-size:.7rem;color:var(--text-secondary);margin-top:4px;padding:0 4px;opacity:.8}.chat-input-area{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0;background:var(--bg-secondary);padding:var(--space-2);border-radius:var(--radius-xl)}.message-media{margin-bottom:var(--space-2);border-radius:12px;overflow:hidden}.message-media img{max-width:100%;cursor:pointer;display:block}.message-media video{max-width:100%;display:block}.message-media audio{width:100%;min-width:200px;height:36px}.recording-ui{flex:1;display:flex;align-items:center;gap:12px;background:var(--bg-tertiary);border-radius:var(--radius-md);padding:0 12px;height:48px}.recording-dot{width:8px;height:8px;background:var(--danger);border-radius:50%;animation:blink 1s infinite}@keyframes blink{0%{opacity:1}50%{opacity:.3}to{opacity:1}}.btn-icon{width:40px;height:40px;border-radius:50%!important;padding:0!important}.search-input-large{width:100%;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-4) var(--space-5);color:var(--text-primary);font-size:var(--font-size-base);transition:all var(--transition-fast);outline:none}.search-input-large:hover{border-color:var(--border-light);background:var(--bg-hover)}.search-input-large:focus{border-color:var(--primary);background:var(--bg-elevated);box-shadow:0 0 0 4px var(--primary-muted)}.search-input-large::placeholder{color:var(--text-muted);opacity:.6}.toast-container{position:fixed;top:var(--space-6);right:var(--space-6);z-index:1000;display:flex;flex-direction:column;gap:var(--space-3);pointer-events:none}.toast-item{pointer-events:auto;min-width:280px;max-width:320px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:var(--space-4);animation:toast-in .3s cubic-bezier(.68,-.55,.265,1.55) forwards;cursor:pointer;transition:transform .2s ease,opacity .2s ease}.toast-item:active{transform:scale(.98)}.toast-item.success{border-left:4px solid var(--success)}.toast-item.error{border-left:4px solid var(--danger)}.toast-item.warning{border-left:4px solid var(--warning)}.toast-item.info{border-left:4px solid var(--primary)}.toast-content{display:flex;align-items:center;gap:var(--space-3)}.toast-icon{font-size:1.2rem}.toast-message{font-size:var(--font-size-sm);color:var(--text-primary);font-weight:500;line-height:1.4}@keyframes toast-in{0%{transform:translate(120%) scale(.8);opacity:0}to{transform:translate(0) scale(1);opacity:1}}.post-input-container{background:var(--bg-secondary);border:1px solid var(--border);border-radius:24px;padding:var(--space-4) var(--space-5);margin-bottom:var(--space-6);display:flex;flex-direction:column;gap:var(--space-3);transition:border-color var(--transition-fast)}.post-input-container:focus-within{border-color:var(--border-focus)}.post-input-main{display:flex;gap:var(--space-4);align-items:flex-start}.post-input-avatar{width:40px;height:40px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--primary) 0%,var(--primary-hover) 100%);display:flex;align-items:center;justify-content:center;font-weight:600;color:#fff;overflow:hidden;flex-shrink:0}.post-input-avatar img{width:100%;height:100%;object-fit:cover}.post-input-textarea{flex:1;background:transparent;border:none;color:var(--text-primary);font-size:var(--font-size-base);padding:8px 0;resize:none;min-height:40px}.post-input-textarea::placeholder{color:var(--text-muted)}.post-input-footer{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-2)}.post-input-actions{display:flex;gap:var(--space-2)}.post-input-action-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--radius-full);color:var(--primary);cursor:pointer;transition:background var(--transition-fast)}.post-input-action-btn:hover{background:var(--primary-muted)}.post-input-action-btn svg{width:20px;height:20px}.post-publish-btn{border-radius:20px;padding:8px 20px;font-weight:600}.post-input-preview{margin:var(--space-2) 0;border-radius:var(--radius-md);overflow:hidden;position:relative;max-height:300px;background:var(--bg-tertiary)}.post-input-preview img,.post-input-preview video{width:100%;max-height:300px;object-fit:contain}.remove-preview-inline{position:absolute;top:8px;right:8px;width:24px;height:24px;border-radius:var(--radius-full);background:#0009;color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.post-input-preview audio{width:100%;margin:var(--space-2) 0}