:root{--primary:#0f172a;--primary-light:#1e293b;--accent:#ed1f2b;--accent-hover:#c81420;--accent-light:#ed1f2b14;--bg:#f3f4f6;--surface-bg:#fff;--text:#0f172a;--text-muted:#536471;--border:#eff3f4;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 4px 12px #0000000d;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--font-serif:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--transition:all .2s ease}[data-theme=dark]{--primary:#f7f9f9;--primary-light:#eff3f4;--accent:#ed1f2b;--accent-hover:#f1424c;--accent-light:#ed1f2b26;--bg:#0f141e;--surface-bg:#182030;--text:#e7e9ea;--text-muted:#8b98a5;--border:#2f3336;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0000004d}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg);color:var(--text);line-height:1.5;transition:background-color .3s,color .3s;overflow-y:scroll}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.btn{cursor:pointer;transition:var(--transition);border:none;border-radius:99px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex}.btn-primary{background-color:var(--accent);color:#fff!important}.btn-primary:hover{background-color:var(--accent-hover)}.btn-secondary{border:1px solid var(--border);background-color:#0000;color:var(--text)!important}.btn-secondary:hover{background-color:var(--accent-light);border-color:var(--accent);color:var(--accent)!important}.navbar{z-index:1000;border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);background-color:#ffffffd9;height:60px;position:fixed;top:0;left:0;right:0}[data-theme=dark] .navbar{background-color:#182030d9}.nav-container{justify-content:space-between;align-items:center;max-width:1200px;height:100%;margin:0 auto;padding:0 16px;display:flex}.brand{color:var(--accent);align-items:center;gap:8px;text-decoration:none;display:flex}.brand-logo{color:var(--accent);width:24px;height:24px}.brand-name{letter-spacing:-.5px;font-size:18px;font-weight:800}.brand-suffix{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-left:4px;font-size:11px;font-weight:700}.nav-actions{align-items:center;gap:8px;display:flex}.theme-toggle{color:var(--text-muted);cursor:pointer;width:36px;height:36px;transition:var(--transition);background:0 0;border:none;border-radius:50%;place-items:center;display:grid}.theme-toggle:hover{background-color:var(--accent-light);color:var(--accent)}.theme-toggle .sun-icon{display:none}[data-theme=dark] .theme-toggle .sun-icon{display:block}[data-theme=dark] .theme-toggle .moon-icon{display:none}.main-layout{grid-template-columns:340px 1fr;align-items:flex-start;gap:24px;max-width:1200px;margin:80px auto 40px;padding:0 16px;display:grid}.sidebar-profile{flex-direction:column;gap:20px;display:flex;position:sticky;top:84px}.sidebar-card{background-color:var(--surface-bg);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:24px}.profile-avatar-wrap{width:100px;height:100px;margin:0 auto 16px;position:relative}.profile-avatar{object-fit:cover;background-color:var(--accent-light);border:3px solid var(--accent);border-radius:50%;width:100%;height:100%}.profile-avatar.ph{color:#fff;background:linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);place-items:center;font-size:36px;font-weight:800;display:grid}.profile-info{text-align:center}.profile-info h1{color:var(--primary);margin-bottom:2px;font-size:20px;font-weight:800}.profile-handle{color:var(--text-muted);margin-bottom:12px;font-size:13.5px}.profile-motto{color:var(--text);text-align:center;margin-bottom:16px;font-size:14px;font-style:italic;line-height:1.5}.profile-stats{border-top:1px solid var(--border);justify-content:center;gap:20px;width:100%;margin-bottom:0;padding:12px 0;font-size:13.5px;display:flex}.stat-item span{color:var(--text-muted)}.sidebar-bio-section{border-top:1px solid var(--border);text-align:left;margin-top:16px;padding-top:16px}.sidebar-bio-section h3{text-transform:uppercase;color:var(--accent);letter-spacing:.5px;margin-bottom:8px;font-size:14px;font-weight:800}.sidebar-bio-section p{color:var(--text);font-size:13.5px;line-height:1.6}.sidebar-section-title{color:var(--primary);border-bottom:2px solid var(--accent);margin-bottom:16px;padding-bottom:4px;font-size:15px;font-weight:800;display:inline-block}.profile-meta-list{text-align:left;width:100%;color:var(--text);flex-direction:column;gap:12px;font-size:13.5px;display:flex}.profile-meta-item{align-items:center;gap:10px;display:flex}.profile-meta-icon{color:var(--accent);flex-shrink:0;font-size:15px}.meta-link{color:var(--text);transition:var(--transition);text-decoration:none}.meta-link:hover{color:var(--accent)}.feed-container{background-color:var(--surface-bg);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden}.feed-header{border-bottom:1px solid var(--border);color:var(--primary);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:10;background-color:#ffffffe6;padding:16px 24px;font-size:18px;font-weight:800;position:sticky;top:0}[data-theme=dark] .feed-header{background-color:#182030e6}.post-card{border-bottom:1px solid var(--border);cursor:pointer;transition:var(--transition);gap:16px;padding:20px 24px;display:flex;position:relative}.post-card:last-child{border-bottom:none}.post-card:hover{background-color:#00000004}[data-theme=dark] .post-card:hover{background-color:#ffffff04}.post-card-avatar{object-fit:cover;background-color:var(--accent-light);border-radius:50%;flex-shrink:0;width:48px;height:48px}.post-card-avatar.ph{color:#fff;background:linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);place-items:center;font-size:18px;font-weight:800;display:grid}.post-card-main{flex-grow:1}.post-card-header{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:8px;font-size:14.5px;display:flex}.post-author-name{color:var(--primary);font-weight:800}.post-author-handle{color:var(--text-muted);font-size:13.5px}.post-dot{color:var(--text-muted)}.post-time{color:var(--text-muted);font-size:13.5px}.post-card-title{color:var(--accent);margin-bottom:8px;font-size:17px;font-weight:800;line-height:1.4}.post-card-body{color:var(--text);white-space:pre-wrap;word-break:break-word;margin-bottom:12px;font-size:15.5px;line-height:1.6}.post-images-grid{border-radius:var(--radius-md);border:1px solid var(--border);background-color:var(--bg);gap:2px;max-height:380px;margin-bottom:12px;display:grid;overflow:hidden}.post-images-grid.grid-1{grid-template-columns:1fr}.post-images-grid.grid-2{grid-template-columns:1fr 1fr}.post-images-grid.grid-3{grid-template-columns:1.2fr .8fr}.post-images-grid.grid-4{grid-template-rows:1fr 1fr;grid-template-columns:1fr 1fr}.post-grid-img{object-fit:cover;width:100%;height:100%;max-height:380px;transition:var(--transition)}.post-grid-img:hover{opacity:.95}.post-grid-right-col{grid-template-rows:1fr 1fr;gap:2px;display:grid}.post-card-footer{color:var(--text-muted);justify-content:flex-start;gap:48px;padding-top:4px;font-size:13px;display:flex}.post-action-btn{cursor:pointer;transition:var(--transition);color:var(--text-muted);background:0 0;border:none;align-items:center;gap:6px;display:flex}.post-action-btn:hover,.post-action-btn.liked{color:var(--accent)}.post-action-icon{width:18px;height:18px}.modal-overlay{z-index:2000;opacity:0;-webkit-backdrop-filter:blur(4px);background-color:#090d16b3;place-items:center;padding:16px;transition:opacity .2s;display:none;position:fixed;inset:0}.modal-overlay.active{opacity:1;display:grid}.modal-box{background-color:var(--surface-bg);border-radius:var(--radius-md);border:1px solid var(--border);width:100%;max-width:650px;max-height:90vh;box-shadow:var(--shadow-md);transition:transform .2s;position:relative;overflow-y:auto;transform:translateY(20px)}.modal-overlay.active .modal-box{transform:translateY(0)}.modal-close-btn{background-color:var(--bg);color:var(--text);border:1px solid var(--border);cursor:pointer;z-index:10;width:32px;height:32px;transition:var(--transition);border-radius:50%;place-items:center;display:grid;position:absolute;top:12px;right:12px}.modal-close-btn:hover{background-color:var(--accent);color:#fff;border-color:var(--accent)}.modal-body{padding:24px}.modal-tweet-header{align-items:center;gap:12px;margin-bottom:16px;display:flex}.modal-tweet-avatar{object-fit:cover;border-radius:50%;width:48px;height:48px}.modal-tweet-avatar.ph{color:#fff;background:linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);place-items:center;font-size:18px;font-weight:800;display:grid}.modal-tweet-names{flex-direction:column;display:flex}.modal-tweet-author{color:var(--primary);font-size:16px;font-weight:800}.modal-tweet-handle{color:var(--text-muted);font-size:13.5px}.modal-tweet-title{color:var(--accent);margin-bottom:12px;font-size:19px;font-weight:800;line-height:1.4}.modal-tweet-body{color:var(--text);margin-bottom:16px;font-size:16px;line-height:1.6}.modal-tweet-body p{margin-bottom:12px}.modal-tweet-body p:last-child{margin-bottom:0}.carousel{background-color:var(--bg);border-radius:var(--radius-md);border:1px solid var(--border);width:100%;height:380px;margin-bottom:16px;position:relative;overflow:hidden}.carousel-inner{width:100%;height:100%;transition:transform .3s;display:flex}.carousel-item{min-width:100%;height:100%}.carousel-item img{object-fit:contain;background-color:#0c0f17;width:100%;height:100%}.carousel-btn{color:#fff;cursor:pointer;z-index:5;width:36px;height:36px;transition:var(--transition);background-color:#090d16b3;border:none;border-radius:50%;place-items:center;display:grid;position:absolute;top:50%;transform:translateY(-50%)}.carousel-btn:hover{background-color:var(--accent)}.carousel-btn-prev{left:12px}.carousel-btn-next{right:12px}.carousel-dots{z-index:5;gap:6px;display:flex;position:absolute;bottom:12px;left:50%;transform:translate(-50%)}.carousel-dot{cursor:pointer;background-color:#fff6;border:none;border-radius:50%;width:6px;height:6px}.carousel-dot.active{background-color:var(--accent);border-radius:3px;width:14px}.modal-tweet-info{color:var(--text-muted);border-top:1px solid var(--border);border-bottom:1px solid var(--border);align-items:center;gap:6px;margin-bottom:12px;padding:12px 0;font-size:13.5px;display:flex}.modal-tweet-share{color:var(--accent);cursor:pointer;align-items:center;gap:4px;margin-left:auto;display:inline-flex}.comments-container{margin-top:16px}.comments-title{color:var(--primary);margin-bottom:16px;font-size:15px;font-weight:800}.comment-item{border-bottom:1px solid var(--border);gap:12px;padding:12px 0;display:flex;position:relative}.comment-item:last-child{border-bottom:none}.comment-avatar{object-fit:cover;background-color:var(--accent-light);border-radius:50%;flex-shrink:0;width:36px;height:36px}.comment-avatar.ph{color:#fff;background:linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 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20px;font-size:13.5px;font-weight:700;animation:.2s slideInUp;display:none;position:fixed;bottom:24px;right:24px}.detail-page-container{max-width:650px;margin:80px auto 40px;padding:0 16px}.detail-feed-box{background-color:var(--surface-bg);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:24px}.breadcrumb{color:var(--text-muted);margin-bottom:16px;font-size:13px;font-weight:700}.breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--accent)}.expertise-list{flex-direction:column;gap:14px;display:flex}.expertise-item{flex-direction:column;gap:3px;display:flex}.expertise-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.expertise-name{color:var(--text);font-size:13.5px;font-weight:700}.expertise-stars{color:#ffb300;letter-spacing:1px;white-space:nowrap;font-size:13px}.expertise-stars .star-off{color:var(--border)}.expertise-level{color:var(--accent);text-transform:uppercase;letter-spacing:.4px;font-size:11.5px;font-weight:700}.nav-auth{align-items:center;gap:8px;display:flex}.nav-auth .btn{padding:8px 16px;font-size:13.5px}.user-menu{position:relative}.user-menu-trigger{cursor:pointer;border:1px solid var(--border);transition:var(--transition);background:0 0;border-radius:99px;align-items:center;gap:8px;padding:4px 12px 4px 4px;display:flex}.user-menu-trigger:hover{border-color:var(--accent)}.user-menu-avatar{object-fit:cover;color:#fff;background:linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);border-radius:50%;place-items:center;width:30px;height:30px;font-size:13px;font-weight:800;display:grid}.user-menu-name{color:var(--text);text-overflow:ellipsis;white-space:nowrap;max-width:120px;font-size:13.5px;font-weight:700;overflow:hidden}.user-menu-dropdown{background:var(--surface-bg);border:1px solid var(--border);border-radius:var(--radius-md);min-width:200px;box-shadow:var(--shadow-md);z-index:1100;padding:6px;display:none;position:absolute;top:calc(100% + 8px);right:0}.user-menu-dropdown.open{display:block}.user-menu-item{border-radius:var(--radius-sm);color:var(--text);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:10px 12px;font-size:14px;text-decoration:none;display:flex}.user-menu-item:hover{background:var(--accent-light);color:var(--accent)}.composer{border-bottom:8px solid var(--bg);gap:14px;padding:18px 24px;display:flex}.composer-avatar{object-fit:cover;color:#fff;background:linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);border-radius:50%;flex-shrink:0;place-items:center;width:46px;height:46px;font-size:17px;font-weight:800;display:grid}.composer-main{flex-grow:1;min-width:0}.composer-tabs{gap:6px;margin-bottom:10px;display:flex}.composer-tab{cursor:pointer;border:1px solid var(--border);color:var(--text-muted);transition:var(--transition);background:0 0;border-radius:99px;padding:6px 12px;font-size:12.5px;font-weight:700}.composer-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.composer-ictihat{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px;display:none}.composer-ictihat.show{display:grid}.composer-ictihat input{grid-column:span 1}.composer-ictihat input.full{grid-column:span 2}.composer input,.composer textarea,.auth-card input{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);transition:var(--transition);border-radius:10px;outline:none;padding:11px 13px;font-family:inherit;font-size:15px}.composer input:focus,.composer textarea:focus,.auth-card input:focus{border-color:var(--accent);background:var(--surface-bg)}.composer-text{resize:none;min-height:66px;line-height:1.5;background:0 0!important;border:none!important;padding:4px 0!important;font-size:18px!important}.composer-images{flex-wrap:wrap;gap:8px;margin:8px 0;display:flex}.composer-thumb{border:1px solid var(--border);border-radius:12px;width:78px;height:78px;position:relative;overflow:hidden}.composer-thumb img{object-fit:cover;width:100%;height:100%}.composer-thumb-x{color:#fff;cursor:pointer;background:#090d16bf;border:none;border-radius:50%;place-items:center;width:20px;height:20px;font-size:12px;line-height:1;display:grid;position:absolute;top:3px;right:3px}.composer-toolbar{border-top:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:6px;margin-top:10px;padding-top:12px;display:flex}.composer-tool{cursor:pointer;color:var(--accent);transition:var(--transition);background:0 0;border:none;border-radius:99px;align-items:center;gap:6px;padding:7px 10px;font-size:13px;font-weight:700;display:inline-flex}.composer-tool:hover{background:var(--accent-light)}.composer-audience{align-items:center;gap:8px;margin-left:auto;display:flex}.composer-audience select{border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;border-radius:99px;padding:7px 12px;font-family:inherit;font-size:12.5px;font-weight:700}.composer-submit{background:var(--accent);color:#fff;cursor:pointer;transition:var(--transition);border:none;border-radius:99px;padding:9px 22px;font-size:14px;font-weight:800}.composer-submit:hover{background:var(--accent-hover)}.composer-submit:disabled{opacity:.5;cursor:not-allowed}.composer-hint{color:var(--text-muted);margin-top:6px;font-size:12px}.composer-hint.error{color:var(--accent)}.guest-note{text-align:center;color:var(--text-muted);background:var(--bg);border-radius:var(--radius-sm);margin-top:8px;padding:14px;font-size:12.5px}.auth-wrap{max-width:440px;margin:90px auto 40px;padding:0 16px}.auth-card{background:var(--surface-bg);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:32px 28px}.auth-logo{color:var(--accent);justify-content:center;align-items:center;gap:8px;margin-bottom:20px;display:flex}.auth-logo .brand-name{letter-spacing:-.5px;font-size:22px;font-weight:800}.auth-card h1{text-align:center;color:var(--primary);margin-bottom:6px;font-size:22px;font-weight:800}.auth-sub{color:var(--text-muted);text-align:center;margin-bottom:24px;font-size:14px;line-height:1.5}.auth-field{margin-bottom:14px}.auth-field label{color:var(--text-muted);margin-bottom:6px;font-size:12.5px;font-weight:700;display:block}.auth-row{gap:10px;display:flex}.auth-row .auth-field{flex:1}.auth-btn{background:var(--accent);color:#fff;cursor:pointer;width:100%;transition:var(--transition);border:none;border-radius:12px;margin-top:8px;padding:14px;font-size:15px;font-weight:800}.auth-btn:hover{background:var(--accent-hover)}.auth-btn:disabled{opacity:.55;cursor:not-allowed}.auth-msg{text-align:center;min-height:18px;margin-top:14px;font-size:13px}.auth-msg.error{color:var(--accent)}.auth-msg.ok{color:#16a34a}.auth-switch{text-align:center;color:var(--text-muted);margin-top:20px;font-size:13.5px}.auth-switch a{color:var(--accent);font-weight:700;text-decoration:none}.auth-code-input{letter-spacing:8px;text-align:center;font-weight:700;font-size:22px!important}.auth-step{display:none}.auth-step.active{display:block}.field-hint{color:var(--text-muted);margin-top:4px;font-size:11.5px}.field-hint.taken{color:var(--accent)}.field-hint.ok{color:#16a34a}@media (max-width:850px){.main-layout{grid-template-columns:1fr;gap:16px;margin-top:72px}.sidebar-profile{position:relative;top:0}}