:root{--bg-main:#fff4f7;--bg-gradient:linear-gradient(135deg, #fff4f7 0%, #f5eef8 50%, #f0f4ff 100%);--card-bg:#ffffffeb;--card-border:#ffb6c159;--card-shadow:0 10px 30px #ffb6c12e;--card-shadow-hover:0 18px 40px #ffb6c152;--primary:#ff7096;--primary-hover:#ff527b;--primary-light:#ffebf0;--primary-gradient:linear-gradient(135deg, #ff9eaa 0%, #ff7096 100%);--secondary:#a084dc;--secondary-hover:#8967b3;--secondary-light:#f1eaff;--secondary-gradient:linear-gradient(135deg, #c4b0ff 0%, #a084dc 100%);--accent-peach:#ffbe98;--accent-mint:#b9f3e4;--accent-yellow:#fff59d;--text-main:#4a3e56;--text-muted:#8e7c9d;--text-light:#bdb3c7;--text-inverse:#fff;--input-bg:#fff9fc;--input-border:#f3d9e2;--input-focus:#ff7096;--badge-bg:#ffe4ec;--badge-text:#e63956;--secret-accent:#ff5e97;--secret-bg:linear-gradient(135deg, #2d1a36 0%, #170f24 100%);--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--radius-xl:32px;--radius-full:9999px;--transition-fast:.2s cubic-bezier(.4, 0, .2, 1);--transition-bounce:.4s cubic-bezier(.68, -.55, .265, 1.55);--font-heading:"Fredoka", "Quicksand", sans-serif;--font-body:"Nunito", "Quicksand", sans-serif}[data-theme=dark]{--bg-main:#181324;--bg-gradient:linear-gradient(135deg, #181324 0%, #211933 50%, #15162b 100%);--card-bg:#241c34e0;--card-border:#a084dc40;--card-shadow:0 10px 30px #00000059;--card-shadow-hover:0 18px 40px #ff709640;--primary:#ff85a2;--primary-hover:#ff668b;--primary-light:#ff85a22e;--primary-gradient:linear-gradient(135deg, #ff85a2 0%, #e64a70 100%);--secondary:#bfa2f6;--secondary-hover:#a084dc;--secondary-light:#bfa2f62e;--text-main:#f3ecf8;--text-muted:#b6a9c5;--text-light:#7e7092;--input-bg:#211931;--input-border:#3b2e54;--input-focus:#ff85a2;--badge-bg:#ff85a233;--badge-text:#ff9eaa}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background:var(--bg-gradient);color:var(--text-main);min-height:100vh;transition:background var(--transition-fast), color var(--transition-fast);background-attachment:fixed;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);letter-spacing:.2px;font-weight:600}a{color:var(--primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--primary-hover)}button{font-family:var(--font-heading);cursor:pointer;transition:all var(--transition-fast);border:none;outline:none}input,textarea,select{font-family:var(--font-body);outline:none}.app-container{grid-template-columns:260px 1fr 320px;gap:24px;max-width:1280px;margin:0 auto;padding:24px 16px 80px;display:grid;position:relative}@media (width<=1100px){.app-container{grid-template-columns:240px 1fr}.right-sidebar{display:none}}@media (width<=768px){.app-container{grid-template-columns:1fr;padding-top:80px;padding-bottom:90px}.left-sidebar{display:none}}.app-header{z-index:100;background:var(--card-bg);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--card-border);position:sticky;top:0;box-shadow:0 4px 20px #0000000a}.header-inner{justify-content:space-between;align-items:center;gap:16px;max-width:1280px;margin:0 auto;padding:12px 20px;display:flex}.brand-logo{font-family:var(--font-heading);color:var(--primary);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;font-size:1.4rem;font-weight:700;display:flex}.brand-logo .logo-icon{font-size:1.6rem;animation:2s ease-in-out infinite pulse-heart}@keyframes pulse-heart{0%,to{transform:scale(1)}50%{transform:scale(1.12)rotate(5deg)}}.search-box{flex:1;max-width:400px;position:relative}.search-box input{border-radius:var(--radius-full);border:2px solid var(--input-border);background:var(--input-bg);width:100%;color:var(--text-main);transition:all var(--transition-fast);padding:10px 16px 10px 42px;font-size:.92rem}.search-box input:focus{border-color:var(--primary);background:var(--card-bg);box-shadow:0 0 0 4px #ff709626}.search-box .search-icon{color:var(--text-muted);pointer-events:none;font-size:1.1rem;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.header-actions{align-items:center;gap:12px;display:flex}.btn-icon{border-radius:var(--radius-full);background:var(--input-bg);border:1px solid var(--card-border);width:42px;height:42px;color:var(--text-main);transition:all var(--transition-bounce);justify-content:center;align-items:center;font-size:1.2rem;display:flex;position:relative}.btn-icon:hover{background:var(--primary-light);color:var(--primary);transform:translateY(-2px)scale(1.05)}.btn-primary{background:var(--primary-gradient);color:#fff;border-radius:var(--radius-full);transition:all var(--transition-bounce);align-items:center;gap:8px;padding:10px 22px;font-size:.95rem;font-weight:600;display:inline-flex;box-shadow:0 6px 18px #ff709659}.btn-primary:hover{transform:translateY(-2px)scale(1.03);box-shadow:0 10px 24px #ff70967a}.btn-secondary{background:var(--secondary-light);color:var(--secondary);border-radius:var(--radius-full);border:1px solid var(--card-border);transition:all var(--transition-bounce);align-items:center;gap:8px;padding:10px 20px;font-size:.95rem;font-weight:600;display:inline-flex}.btn-secondary:hover{background:var(--secondary);color:#fff;transform:translateY(-2px)}.btn-danger{color:#fff;border-radius:var(--radius-full);background:#ff4d4d;padding:8px 16px;font-size:.88rem;font-weight:600}.btn-danger:hover{background:#e60000;transform:translateY(-1px)}.btn-secret{background:var(--secret-bg);color:#ffb7e1;border-radius:var(--radius-full);transition:all var(--transition-bounce);border:1px solid #ff709666;align-items:center;gap:6px;padding:8px 18px;font-size:.88rem;font-weight:600;display:inline-flex;box-shadow:0 4px 15px #e6395640}.btn-secret:hover{color:#fff;transform:translateY(-2px)scale(1.04);box-shadow:0 8px 22px #ff5e9773}.left-sidebar{height:fit-content;position:sticky;top:90px}.nav-card{background:var(--card-bg);border-radius:var(--radius-lg);border:1px solid var(--card-border);box-shadow:var(--card-shadow);padding:16px}.nav-menu{flex-direction:column;gap:8px;list-style:none;display:flex}.nav-item{border-radius:var(--radius-md);color:var(--text-main);cursor:pointer;transition:all var(--transition-bounce);align-items:center;gap:14px;padding:12px 18px;font-size:1.02rem;font-weight:600;display:flex;position:relative}.nav-item:hover{background:var(--primary-light);color:var(--primary);transform:translate(4px)}.nav-item.active{background:var(--primary-gradient);color:#fff;box-shadow:0 6px 18px #ff70964d}.nav-item .badge{background:var(--badge-bg);color:var(--badge-text);border-radius:var(--radius-full);margin-left:auto;padding:2px 8px;font-size:.75rem;font-weight:700}.nav-item.active .badge{color:#fff;background:#ffffff47}.sidebar-user-card{border-radius:var(--radius-md);border:1px solid var(--card-border);background:linear-gradient(135deg,#fff0f5cc,#f5eef8cc);align-items:center;gap:12px;margin-top:16px;padding:14px;display:flex}[data-theme=dark] .sidebar-user-card{background:#2d2342b3}.avatar-circle{object-fit:cover;border:2px solid var(--primary);border-radius:50%;flex-shrink:0;width:46px;height:46px;box-shadow:0 4px 10px #0000001a}.user-info-text .display-name{color:var(--text-main);font-size:.96rem;font-weight:700;line-height:1.2}.user-info-text .username{color:var(--text-muted);font-size:.82rem}.mobile-nav{z-index:99;background:var(--card-bg);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--card-border);justify-content:space-around;align-items:center;padding:8px 12px;display:none;position:fixed;bottom:0;left:0;right:0}@media (width<=768px){.mobile-nav{display:flex}}.mobile-nav-item{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;flex-direction:column;align-items:center;gap:2px;padding:6px;font-size:.72rem;font-weight:600;display:flex;position:relative}.mobile-nav-item.active{color:var(--primary)}.mobile-nav-item .mobile-icon{font-size:1.3rem}.feed-tabs{background:var(--card-bg);border-radius:var(--radius-full);border:1px solid var(--card-border);box-shadow:var(--card-shadow);align-items:center;gap:10px;margin-bottom:20px;padding:8px;display:flex}.tab-btn{border-radius:var(--radius-full);color:var(--text-muted);transition:all var(--transition-bounce);text-align:center;background:0 0;flex:1;padding:10px 16px;font-size:.92rem;font-weight:700}.tab-btn.active{background:var(--primary-gradient);color:#fff;box-shadow:0 4px 12px #ff70964d}.create-post-bar{background:var(--card-bg);border-radius:var(--radius-lg);border:1px solid var(--card-border);box-shadow:var(--card-shadow);cursor:pointer;transition:all var(--transition-bounce);align-items:center;gap:14px;margin-bottom:24px;padding:16px 20px;display:flex}.create-post-bar:hover{box-shadow:var(--card-shadow-hover);border-color:var(--primary);transform:translateY(-2px)}.create-post-input-dummy{background:var(--input-bg);border:1px dashed var(--input-border);border-radius:var(--radius-full);color:var(--text-muted);-webkit-user-select:none;user-select:none;flex:1;padding:12px 20px;font-size:.95rem}.post-card{background:var(--card-bg);border-radius:var(--radius-lg);border:1px solid var(--card-border);box-shadow:var(--card-shadow);transition:all var(--transition-fast);margin-bottom:24px;padding:20px;position:relative;overflow:hidden}.post-card:hover{box-shadow:var(--card-shadow-hover)}.post-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.post-author-info{cursor:pointer;align-items:center;gap:12px;display:flex}.post-author-name{color:var(--text-main);align-items:center;gap:6px;font-size:1.02rem;font-weight:700;display:flex}.post-author-badge{background:var(--primary-light);color:var(--primary);border-radius:var(--radius-full);padding:2px 8px;font-size:.7rem;font-weight:700}.post-timestamp{color:var(--text-muted);font-size:.8rem}.post-actions-menu{align-items:center;gap:8px;display:flex}.btn-action-small{border-radius:var(--radius-full);background:var(--input-bg);color:var(--text-muted);border:1px solid var(--input-border);transition:all var(--transition-fast);align-items:center;gap:4px;padding:6px 12px;font-size:.82rem;font-weight:600;display:inline-flex}.btn-action-small:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.btn-action-delete:hover{color:#ff4d4d;background:#ffebeb;border-color:#ff4d4d}.post-title{color:var(--text-main);margin-bottom:8px;font-size:1.25rem}.post-content{color:var(--text-main);white-space:pre-line;word-break:break-word;margin-bottom:14px;font-size:.98rem}.post-tags{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.tag-pill{background:var(--secondary-light);color:var(--secondary);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);padding:3px 10px;font-size:.8rem;font-weight:600}.tag-pill:hover{background:var(--secondary);color:#fff}.post-media-grid{border-radius:var(--radius-md);gap:8px;max-height:480px;margin-bottom:16px;display:grid;overflow:hidden}.post-media-grid.grid-1{grid-template-columns:1fr}.post-media-grid.grid-2{grid-template-columns:1fr 1fr}.post-media-grid.grid-3{grid-template-columns:2fr 1fr}.post-media-grid.grid-4{grid-template-rows:200px 200px;grid-template-columns:1fr 1fr}.media-item{object-fit:cover;cursor:pointer;width:100%;height:100%;max-height:400px;transition:transform var(--transition-fast), filter var(--transition-fast)}.media-item:hover{filter:brightness(.95);transform:scale(1.02)}.media-more-overlay{position:relative}.media-more-count{color:#fff;cursor:pointer;background:#00000080;justify-content:center;align-items:center;font-size:1.5rem;font-weight:700;display:flex;position:absolute;inset:0}.post-footer{border-top:1px solid var(--card-border);justify-content:space-between;align-items:center;padding-top:12px;display:flex}.interaction-btn{color:var(--text-muted);border-radius:var(--radius-full);transition:all var(--transition-bounce);background:0 0;align-items:center;gap:6px;padding:6px 14px;font-size:.92rem;font-weight:600;display:flex}.interaction-btn:hover{background:var(--primary-light);color:var(--primary);transform:scale(1.05)}.interaction-btn.liked{color:var(--primary);font-weight:700}.interaction-btn.liked .heart-icon{fill:var(--primary);animation:.35s cubic-bezier(.175,.885,.32,1.275) heart-pop}@keyframes heart-pop{0%{transform:scale(1)}50%{transform:scale(1.4)}to{transform:scale(1)}}.comments-section{border-top:1px dashed var(--card-border);margin-top:16px;padding-top:14px}.add-comment-box{align-items:center;gap:10px;margin-bottom:14px;display:flex}.add-comment-box input{border-radius:var(--radius-full);border:1px solid var(--input-border);background:var(--input-bg);color:var(--text-main);flex:1;padding:10px 16px;font-size:.9rem}.add-comment-box input:focus{border-color:var(--primary)}.comments-list{flex-direction:column;gap:10px;max-height:280px;padding-right:4px;display:flex;overflow-y:auto}.comment-item{background:var(--input-bg);border-radius:var(--radius-md);border:1px solid var(--input-border);gap:10px;padding:10px 14px;display:flex;position:relative}.comment-item .comment-author{color:var(--text-main);font-size:.88rem;font-weight:700}.comment-item .comment-text{color:var(--text-main);margin-top:2px;font-size:.88rem}.comment-item .comment-time{color:var(--text-muted);margin-left:auto;font-size:.75rem}.right-sidebar{flex-direction:column;gap:20px;display:flex;position:sticky;top:90px}.widget-card{background:var(--card-bg);border-radius:var(--radius-lg);border:1px solid var(--card-border);box-shadow:var(--card-shadow);padding:18px}.widget-title{color:var(--text-main);justify-content:space-between;align-items:center;margin-bottom:14px;font-size:1.05rem;display:flex}.suggested-user-item{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.suggested-user-item:last-child{margin-bottom:0}.btn-follow{border-radius:var(--radius-full);background:var(--primary-light);color:var(--primary);border:1px solid var(--primary);transition:all var(--transition-bounce);padding:6px 14px;font-size:.82rem;font-weight:700}.btn-follow:hover{background:var(--primary-gradient);color:#fff}.btn-follow.following{background:var(--secondary-light);color:var(--secondary);border-color:var(--secondary)}.modal-overlay{z-index:200;-webkit-backdrop-filter:blur(8px);background:#120c1ca6;justify-content:center;align-items:center;padding:16px;animation:.25s ease-out fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--card-bg);border-radius:var(--radius-xl);border:1px solid var(--card-border);width:100%;max-width:520px;max-height:90vh;padding:24px;animation:.3s cubic-bezier(.175,.885,.32,1.275) modalPop;position:relative;overflow-y:auto;box-shadow:0 20px 50px #0000004d}@keyframes modalPop{0%{opacity:0;transform:scale(.9)translateY(20px)}to{opacity:1;transform:scale(1)translateY(0)}}.modal-header{border-bottom:1px solid var(--card-border);justify-content:space-between;align-items:center;margin-bottom:18px;padding-bottom:12px;display:flex}.modal-title{color:var(--text-main);align-items:center;gap:8px;font-size:1.3rem;display:flex}.btn-close-modal{background:var(--input-bg);border:1px solid var(--card-border);width:32px;height:32px;color:var(--text-muted);border-radius:50%;font-size:1.1rem}.btn-close-modal:hover{background:var(--primary-light);color:var(--primary)}.form-group{margin-bottom:16px}.form-label{color:var(--text-main);margin-bottom:6px;font-size:.88rem;font-weight:700;display:block}.form-control{border-radius:var(--radius-md);border:1.5px solid var(--input-border);background:var(--input-bg);width:100%;color:var(--text-main);transition:all var(--transition-fast);padding:12px 16px;font-size:.95rem}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3.5px #ff70962e}textarea.form-control{resize:vertical;min-height:100px}.secret-modal{background:var(--secret-bg);color:#f8e5ff;border:2px solid #ff7096}.secret-modal .modal-title{color:#ffb7e1}.secret-modal .form-control{color:#fff;text-align:center;letter-spacing:4px;background:#251733;border-color:#52316b;font-size:1.4rem}.secret-badge{color:#fff;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:1px;background:linear-gradient(135deg,#ff5e97 0%,#a084dc 100%);padding:4px 12px;font-size:.78rem;font-weight:800}.admin-dashboard{background:var(--card-bg);border-radius:var(--radius-xl);border:2px solid var(--secondary);margin-bottom:24px;padding:24px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:14px;margin:16px 0;display:grid}.stat-card{background:var(--input-bg);border-radius:var(--radius-md);border:1px solid var(--card-border);text-align:center;padding:16px}.stat-number{font-size:1.8rem;font-family:var(--font-heading);color:var(--primary);font-weight:700}.stat-label{color:var(--text-muted);font-size:.8rem;font-weight:600}.profile-header-card{background:var(--card-bg);border-radius:var(--radius-xl);border:1px solid var(--card-border);box-shadow:var(--card-shadow);margin-bottom:24px;overflow:hidden}.profile-cover{background:linear-gradient(135deg,#ffb7c5 0%,#e8dff5 50%,#b9f3e4 100%);height:160px;position:relative}.profile-info-body{flex-direction:column;gap:14px;padding:0 24px 24px;display:flex;position:relative}.profile-avatar-row{justify-content:space-between;align-items:flex-end;margin-top:-50px;display:flex}.profile-avatar-large{border:4px solid var(--card-bg);object-fit:cover;background:#fff;border-radius:50%;width:100px;height:100px;box-shadow:0 8px 20px #00000026}.profile-stats-row{gap:24px;display:flex}.profile-stat-item{flex-direction:column;display:flex}.profile-stat-val{font-size:1.2rem;font-family:var(--font-heading);color:var(--text-main);font-weight:700}.profile-stat-lbl{color:var(--text-muted);font-size:.82rem}.profile-bio{color:var(--text-main);background:var(--input-bg);border-radius:var(--radius-md);border:1px solid var(--card-border);padding:12px 16px;font-size:.95rem}.upload-previews-grid{grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:10px;margin-top:10px;display:grid}.upload-preview-thumb{border-radius:var(--radius-sm);width:100%;height:80px;position:relative;overflow:hidden}.upload-preview-thumb img{object-fit:cover;width:100%;height:100%}.btn-remove-thumb{color:#fff;background:#0009;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:.8rem;display:flex;position:absolute;top:4px;right:4px}.toast-container{z-index:300;flex-direction:column;gap:10px;display:flex;position:fixed;bottom:24px;right:24px}.toast{background:var(--card-bg);border-radius:var(--radius-md);border:1px solid var(--card-border);color:var(--text-main);align-items:center;gap:10px;padding:12px 20px;font-size:.92rem;font-weight:600;animation:.3s cubic-bezier(.175,.885,.32,1.275) toastIn;display:flex;box-shadow:0 10px 25px #00000026}@keyframes toastIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.shake{animation:.4s ease-in-out shakeAnim}@keyframes shakeAnim{0%,to{transform:translate(0)}20%,60%{transform:translate(-10px)}40%,80%{transform:translate(10px)}}.lightbox-content{max-width:90vw;max-height:90vh;box-shadow:none;background:0 0;border:none;justify-content:center;align-items:center;display:flex}.ai-chip{background:var(--card-bg);color:var(--primary);border:1px solid var(--card-border);border-radius:var(--radius-full);white-space:nowrap;cursor:pointer;transition:all var(--transition-bounce);padding:4px 10px;font-size:.76rem;font-weight:700}.ai-chip:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}.ai-trigger-pulse{animation:2.5s ease-in-out infinite triggerPulse}@keyframes triggerPulse{0%,to{transform:scale(1)}50%{transform:scale(1.05);box-shadow:0 12px 30px #ff709699}}