@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";.skeleton-base{background-color:var(--border-color, #e2e8f0);position:relative;overflow:hidden;margin-bottom:8px}[data-theme=dark] .skeleton-base{background-color:#1e293b}.skeleton-shimmer{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(90deg,#fff0,#fff6,#fff0)}[data-theme=dark] .skeleton-shimmer{background:linear-gradient(90deg,#1e293b00,#ffffff0d,#1e293b00)}.dashboard-container{display:flex;flex-direction:column;gap:32px}.welcome-banner{display:flex;align-items:center;gap:28px;background:linear-gradient(135deg,#6366f10d,#818cf805);padding:32px;border-radius:24px;border:1px solid var(--border-color)}.welcome-avatar{width:80px;height:80px;background:#fff;border-radius:20px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 16px #0000000d}.welcome-text h2{font-size:2.2rem;margin:0;font-weight:900;letter-spacing:-1px}.welcome-text p{color:#64748b;margin:6px 0 0;font-size:1.15rem}.quick-actions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.quick-action-card{display:flex;align-items:center;gap:16px;padding:20px 24px;background:var(--card-bg);border-radius:20px;border:1px solid var(--border-color);text-decoration:none;color:var(--text-color);font-weight:700;transition:all .3s cubic-bezier(.4,0,.2,1)}.quick-action-card:hover{transform:translateY(-4px);box-shadow:0 12px 20px -5px #00000014;border-color:var(--accent-color)}.action-icon{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.1rem}.action-icon.purple{background:#6366f11a;color:#6366f1}.action-icon.blue{background:#3b82f61a;color:#3b82f6}.action-icon.green{background:#10b9811a;color:#10b981}.dashboard-main-grid{display:grid;grid-template-columns:1.8fr 1fr;gap:32px}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.section-header h3{font-size:1.4rem;font-weight:800;letter-spacing:-.5px}.title-with-icon{display:flex;align-items:center;gap:12px}.header-icon{font-size:1.2rem;color:var(--accent-color)}.activity-list{display:flex;flex-direction:column;gap:16px}.activity-item{display:flex;gap:20px;padding:24px;border-radius:20px;transition:all .2s}.activity-item:hover{transform:scale(1.01)}.item-avatar{width:44px;height:44px;border-radius:12px;background:var(--accent-color);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0;text-decoration:none}.item-content{flex:1}.item-meta{font-size:.95rem;margin-bottom:10px}.item-author-link{text-decoration:none;color:var(--text-color);font-weight:800}.item-meta span{color:#64748b;font-weight:500;font-size:.9rem;margin-left:4px}.item-meta a{color:var(--accent-color);text-decoration:none;font-weight:700}.item-content p{font-size:1.05rem;line-height:1.6;margin-bottom:16px}.item-footer{display:flex;gap:16px;font-size:.85rem;color:#64748b;font-weight:700}.vertical-grid{display:flex;flex-direction:column;gap:12px}.friend-card-link{text-decoration:none;color:inherit}.miniature{display:flex;align-items:center;padding:14px 16px;border-radius:16px;gap:16px;transition:all .2s}.friend-hover:hover{transform:translate(8px);background:#6366f10a;border-color:var(--accent-color)}.mini-avatar{width:44px;height:44px;border-radius:14px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;font-weight:800;position:relative;flex-shrink:0}.mini-avatar img{width:100%;height:100%;object-fit:cover;border-radius:inherit}.status-dot{position:absolute;bottom:-4px;right:-4px;padding:2px;background:var(--card-bg);border-radius:50%;font-size:.75rem}.mini-avatar.online .status-dot{color:#10b981}.mini-avatar.offline .status-dot{color:#94a3b8}.stat-info h4{font-size:1rem;margin:0;font-weight:800}.status-text{font-size:.75rem;color:#64748b;font-weight:600;text-transform:capitalize}.mini-arrow{margin-left:auto;color:var(--accent-color);opacity:0;transition:all .2s}.friend-hover:hover .mini-arrow{opacity:1;transform:translate(4px)}@media(max-width:1100px){.dashboard-main-grid{grid-template-columns:1fr;gap:24px}.quick-actions-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}}@media(max-width:768px){.welcome-banner{flex-direction:column;text-align:center;padding:24px;gap:16px}.welcome-avatar{margin:0 auto;width:64px;height:64px}.welcome-text h2{font-size:1.6rem}.welcome-text p{font-size:1rem}.quick-actions-grid{grid-template-columns:1fr;gap:12px}.section-header h3{font-size:1.2rem}.activity-item{gap:12px;padding:16px}.item-avatar{width:36px;height:36px}}.boards-container{max-width:1200px;margin:0 auto}.boards-header-section{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px}.boards-title{font-size:2.2rem;font-weight:800;margin:0}.boards-subtitle{color:#64748b;margin-top:8px;font-size:1.1rem}.create-board-btn{display:flex;align-items:center;gap:10px;padding:12px 24px;background-color:var(--accent-color);color:#fff;border:none;border-radius:14px;font-weight:600;cursor:pointer;transition:all .2s}.create-board-btn:hover{transform:translateY(-2px);box-shadow:0 8px 15px #6366f14d}.boards-controls{display:flex;flex-direction:column;gap:20px;margin-bottom:40px}.search-bar-wrapper{position:relative;max-width:600px}.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:#94a3b8}.boards-search-input{width:100%;padding:14px 14px 14px 48px;border-radius:16px;border:1px solid var(--border-color);background-color:var(--card-bg);color:var(--text-color);font-size:1rem;outline:none;transition:all .2s}.boards-search-input:focus{border-color:var(--accent-color);box-shadow:0 0 0 4px #6366f11a}.category-filters{display:flex;gap:12px;flex-wrap:wrap}.filter-btn{padding:8px 20px;border-radius:12px;border:1px solid var(--border-color);background-color:var(--card-bg);color:var(--text-color);font-weight:600;cursor:pointer;transition:all .2s}.filter-btn:hover{border-color:var(--accent-color)}.filter-btn.active{background-color:var(--accent-color);border-color:var(--accent-color);color:#fff}.boards-grid{display:grid;gap:32px;grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.board-link{text-decoration:none;color:inherit}.board-card-premium{height:100%;display:flex;flex-direction:column;padding:32px;background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:24px;transition:all .4s cubic-bezier(.175,.885,.32,1.275);position:relative;overflow:hidden;box-shadow:0 10px 30px -5px #0000000d}.board-card-premium:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--accent-color),#818cf8);opacity:0;transition:opacity .3s}.board-card-premium:hover{transform:translateY(-12px);border-color:var(--accent-color);box-shadow:0 25px 50px -12px #6366f126}.board-card-premium:hover:before{opacity:1}.board-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.board-icon-large{width:64px;height:64px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;background:linear-gradient(135deg,#6366f11a,#818cf80d);color:var(--accent-color);box-shadow:inset 0 0 0 1px #6366f11a}.board-icon-large.academic{background-color:#3b82f61a;color:#3b82f6}.board-icon-large.social{background-color:#ec48991a;color:#ec4899}.board-icon-large.events{background-color:#f59e0b1a;color:#f59e0b}.board-icon-large.lifestyle{background-color:#10b9811a;color:#10b981}.board-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px}.board-category-tag{font-size:.75rem;font-weight:700;text-transform:uppercase;padding:4px 10px;background-color:#0000000d;border-radius:20px;letter-spacing:.5px}.board-member-count{display:flex;align-items:center;gap:6px;font-size:.85rem;color:#64748b;font-weight:600}.board-card-body{flex:1}.board-card-body h3{font-size:1.4rem;font-weight:700;margin:0 0 10px}.board-description{font-size:.95rem;line-height:1.5;color:#64748b;margin-bottom:20px}.board-card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--border-color);color:var(--accent-color);font-weight:700;font-size:.9rem}.arrow-icon{transition:transform .2s}.board-card-premium:hover .arrow-icon{transform:translate(4px)}.no-results{text-align:center;padding:80px 0;color:#64748b;font-size:1.2rem}@media(max-width:768px){.boards-header-section{flex-direction:column;align-items:flex-start;gap:20px}.boards-controls{gap:16px}}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0006;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:10000}.modal-content{width:100%;max-width:500px;padding:32px;animation:modalPop .3s cubic-bezier(.4,0,.2,1)}@keyframes modalPop{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.modal-header h3{font-size:1.5rem;font-weight:700}.close-modal{background:none;border:none;font-size:1.25rem;color:#64748b;cursor:pointer}.modal-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:.9rem;font-weight:600}.form-group input,.form-group select,.form-group textarea{padding:12px;border-radius:12px;border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);font-family:inherit;outline:none}.form-group textarea{min-height:100px;resize:none}.submit-board-btn{padding:14px;background-color:var(--accent-color);color:#fff;border:none;border-radius:12px;font-weight:600;cursor:pointer;transition:all .2s;margin-top:10px}.submit-board-btn:hover{filter:brightness(1.1)}.submit-board-btn:disabled{opacity:.6;cursor:not-allowed}.edit-board-btn,.delete-board-btn-mini{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border:none;border-radius:8px;cursor:pointer;font-size:.8rem;transition:all .2s;padding:0}.edit-board-btn{background:#6366f11a;color:var(--accent-color)}.edit-board-btn:hover{background:var(--accent-color);color:#fff;transform:scale(1.1)}.delete-board-btn-mini{background:#ef44441a;color:#ef4444}.delete-board-btn-mini:hover{background:#ef4444;color:#fff;transform:scale(1.1)}.board-page-container{display:flex;flex-direction:column;gap:32px;max-width:900px;margin:0 auto;padding:40px 20px 80px}.board-header{margin-bottom:24px}.view-all{display:inline-flex;align-items:center;gap:8px;color:#64748b;text-decoration:none;font-weight:600;font-size:.95rem;transition:all .2s;background:#00000008;padding:8px 16px;border-radius:12px}.view-all:hover{color:var(--accent-color);background:#6366f114;transform:translate(-4px)}.header-flex{display:flex;justify-content:space-between;align-items:center;margin-top:24px}.header-flex h2{font-size:2.5rem;font-weight:900;margin:0;display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,var(--text-color) 0%,#64748b 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.header-flex h2 span{background:linear-gradient(135deg,var(--accent-color) 0%,#818cf8 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.typing-indicator{font-size:.85rem;color:var(--accent-color);background:#6366f11a;padding:6px 14px;border-radius:20px;font-weight:600;animation:pulseIndicator 1.5s infinite}@keyframes pulseIndicator{0%{transform:scale(1);opacity:.8}50%{transform:scale(1.05);opacity:1}to{transform:scale(1);opacity:.8}}.post-create-card{padding:32px;background:var(--card-bg);border-radius:24px;border:1px solid var(--border-color);box-shadow:0 10px 40px -10px #0000000d;margin-bottom:16px}.post-textarea{width:100%;padding:20px;border-radius:16px;border:1.5px solid #cbd5e1;background:var(--bg-color);color:var(--text-color);font-size:1.1rem;line-height:1.6;resize:none;min-height:120px;outline:none;transition:all .3s cubic-bezier(.4,0,.2,1)}.post-textarea:focus{border-color:var(--accent-color);box-shadow:0 0 0 4px #6366f133;background:var(--card-bg)}.post-actions{display:flex;justify-content:space-between;align-items:center;margin-top:20px}.file-input-label{display:flex;align-items:center;gap:10px;padding:12px 24px;background:#6366f114;color:var(--accent-color);border-radius:14px;cursor:pointer;font-weight:700;font-size:.95rem;transition:all .2s}.file-input-label:hover{background:#6366f126;transform:translateY(-2px)}.create-btn{padding:12px 32px;background:var(--accent-color);color:#fff;border-radius:14px;border:none;font-weight:700;font-size:1rem;cursor:pointer;transition:all .2s;box-shadow:0 4px 15px #6366f14d}.create-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #6366f166}.create-btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.posts-feed{display:flex;flex-direction:column;gap:32px}.post-card{padding:32px;background:var(--card-bg);border-radius:24px;border:1px solid var(--border-color);box-shadow:0 4px 6px -1px #0000000d;transition:all .3s ease}.post-card:hover{transform:translateY(-4px);box-shadow:0 20px 25px -5px #00000014}.post-author-info{display:flex;align-items:center;gap:16px;margin-bottom:24px}.post-author-avatar{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--accent-color) 0%,#818cf8 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:800;text-decoration:none;box-shadow:0 4px 12px #6366f133}.post-author-name{font-weight:800;font-size:1.15rem;color:var(--text-color);text-decoration:none;margin-bottom:4px;display:block}.post-time{font-size:.85rem;color:#64748b;font-weight:500}.post-author-header{display:flex;align-items:center;gap:12px}.add-friend-btn-post{display:flex;align-items:center;justify-content:center;padding:6px;background:#10b9811a;color:#10b981;border:none;border-radius:10px;cursor:pointer;transition:all .2s}.add-friend-btn-post:hover{background:#10b981;color:#fff;transform:scale(1.1)}.post-content{font-size:1.15rem;line-height:1.8;color:var(--text-color);margin-bottom:24px}.post-media{width:100%;max-height:500px;border-radius:20px;overflow:hidden;margin-bottom:24px;cursor:zoom-in;border:1px solid var(--border-color)}.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.post-media:hover img{transform:scale(1.02)}.post-footer{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--border-color)}.post-interaction{display:flex;gap:12px}.interaction-btn{display:flex;align-items:center;gap:10px;padding:10px 18px;border-radius:14px;border:none;background:var(--bg-color);color:#64748b;font-weight:700;font-size:.95rem;cursor:pointer;transition:all .2s}.interaction-btn:hover{background:#6366f114;color:var(--accent-color)}.interaction-btn.active{background:var(--accent-color);color:#fff;box-shadow:0 4px 15px #6366f14d}.delete-post-btn{display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:14px;border:none;background:#ef444414;color:#ef4444;font-weight:700;font-size:.95rem;cursor:pointer;transition:all .2s}.delete-post-btn:hover{background:#ef4444;color:#fff}.comment-section{margin-top:24px;padding:24px;background:#00000005;border-radius:20px}.comment-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}.comment-item{padding:14px 20px;background:var(--card-bg);border-radius:16px;border:1px solid var(--border-color);font-size:1rem;line-height:1.5;box-shadow:0 2px 4px #00000005}.comment-item strong{color:var(--accent-color);margin-right:8px}.comment-input-area input{width:100%;padding:16px 24px;border-radius:16px;border:1.5px solid #cbd5e1;background:var(--card-bg);color:var(--text-color);font-size:1rem;outline:none;transition:all .3s}.comment-input-area input:focus{border-color:var(--accent-color);box-shadow:0 0 0 4px #6366f133}.card{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.lightbox-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000e6;display:flex;align-items:center;justify-content:center;z-index:2000}.lightbox-content{position:relative;max-width:90%;max-height:90%}.lightbox-content img{max-width:100%;max-height:80vh;border-radius:12px}.close-lightbox{position:absolute;top:-40px;right:0;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}.login-page{height:100vh;width:100vw;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#6366f1,#a855f7);font-family:Inter,sans-serif;margin:0;padding:20px;position:fixed;top:0;left:0;z-index:9999}.login-box{width:100%;max-width:400px;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:24px;padding:40px;box-shadow:0 25px 50px -12px #00000040;display:flex;flex-direction:column}[data-theme=dark] .login-box{background:#0f172af2;color:#fff}.login-header{text-align:center;margin-bottom:32px}.login-logo{display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--accent-color)}.login-title{font-size:1.8rem;font-weight:700;color:#1e293b;margin:0}[data-theme=dark] .login-title{color:#fff}.login-subtitle{color:#64748b;font-size:.95rem;margin-top:8px}.error-text{background-color:#fef2f2;color:#b91c1c;padding:12px;border-radius:12px;font-size:.85rem;margin-bottom:20px;border:1px solid #fee2e2;text-align:center}.input-group{margin-bottom:20px}.login-input{width:100%;padding:14px 16px;border-radius:12px;border:1px solid #e2e8f0;background-color:#f8fafc;font-size:1rem;transition:all .2s;outline:none}[data-theme=dark] .login-input{background-color:#1e293b;border-color:#334155;color:#fff}.login-input:focus{border-color:var(--accent-color);background-color:#fff;box-shadow:0 0 0 4px #6366f11a}.login-buttons{display:flex;flex-direction:column;gap:12px;margin-top:8px}.login-btn{width:100%;padding:14px;font-size:1rem;font-weight:600}.register-btn{background:none;border:none;color:#64748b;font-size:.9rem;font-weight:500;cursor:pointer;transition:color .2s}.register-btn:hover{color:var(--accent-color);background:none;transform:none}.sidebar{position:fixed;top:0;left:0;height:100vh;background-color:var(--card-bg);border-right:1px solid rgba(0,0,0,.05);display:flex;flex-direction:column;transition:var(--transition);z-index:1000;overflow:hidden}.sidebar.open{width:var(--sidebar-width)}.sidebar.closed{width:80px}.sidebar-header{height:var(--top-header-height);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.logo-container{display:flex;align-items:center;gap:12px}.logo-icon{width:40px;height:40px;background:var(--accent-color);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;flex-shrink:0}.logo-text{font-weight:700;font-size:1.2rem;white-space:nowrap}.sidebar-nav{flex:1;padding:24px 16px;display:flex;flex-direction:column;gap:8px}.nav-item{display:flex;align-items:center;gap:16px;padding:12px 16px;text-decoration:none;color:var(--text-color);border-radius:12px;transition:all .2s;white-space:nowrap;opacity:.8}.nav-item:hover{background-color:#7b5fff1a;opacity:1}.nav-item.active{background-color:var(--accent-color);color:#fff;opacity:1}.nav-icon{font-size:20px;flex-shrink:0}.sidebar-footer{padding:16px;border-top:1px solid rgba(0,0,0,.05);display:flex;flex-direction:column;gap:16px}.theme-toggle{display:flex;align-items:center;gap:16px;padding:12px 16px;background:none;border:none;color:var(--text-color);border-radius:10px;width:100%;cursor:pointer;transition:.2s}.theme-toggle:hover{background-color:#0000000d}.user-info{display:flex;align-items:center;gap:12px;padding:12px;background-color:#00000008;border-radius:12px}.user-avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-color);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;overflow:hidden;flex-shrink:0}.user-avatar img{width:100%;height:100%;object-fit:cover}.user-details{display:flex;flex-direction:column;overflow:hidden}.user-name{font-weight:600;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-status{font-size:.75rem;opacity:.6}.sidebar-backdrop{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:900}@media(max-width:1024px){.sidebar{transform:translate(-100%);border-right:none;box-shadow:20px 0 25px -5px #0000001a}.sidebar.open{transform:translate(0);width:var(--sidebar-width)!important}.sidebar.closed{transform:translate(-100%)}}.close-sidebar{background:none;border:none;color:var(--text-color);font-size:20px;cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;border-radius:8px}.close-sidebar:hover{background-color:#0000000d}.profile-container{display:flex;flex-direction:column;gap:32px;max-width:1000px;margin:0 auto}.profile-header-card{padding:0;overflow:hidden;position:relative}.profile-cover{height:160px;background:linear-gradient(135deg,#6366f1,#a855f7)}.profile-info-main{padding:0 40px 40px 160px;position:relative;min-height:100px;display:flex;align-items:center;justify-content:space-between}.profile-avatar-large{position:absolute;top:-60px;left:40px;width:100px;height:100px;border-radius:20px;background-color:var(--accent-color);color:#fff;border:4px solid var(--card-bg);display:flex;align-items:center;justify-content:center;font-size:3rem;font-weight:700;box-shadow:0 10px 15px -3px #0000001a;overflow:hidden}.profile-avatar-large img{width:100%;height:100%;object-fit:cover}.profile-title-group{display:flex;flex-direction:column;margin-top:10px}.profile-name-text{font-size:1.5rem;font-weight:700;margin:0}.profile-email-text{color:#64748b;font-size:.95rem;margin:4px 0 0}.profile-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px}.detail-item{display:flex;gap:16px;margin-top:24px}.detail-icon{margin-top:4px;color:var(--accent-color);font-size:1.25rem}.detail-content span{display:block;font-size:.8rem;color:#64748b;text-transform:uppercase;font-weight:600;margin-bottom:4px}.detail-content p{margin:0;font-size:1rem;color:var(--text-color)}.profile-input,.profile-textarea{width:100%;padding:10px 14px;border-radius:10px;border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);font-family:inherit;font-size:.95rem;outline:none}.profile-textarea{min-height:80px;resize:none}.profile-stats-card{height:fit-content}.stats-header-title{font-size:1.4rem;font-weight:700;color:var(--text-color);margin-bottom:24px}.stats-row{display:flex;justify-content:flex-start;gap:60px;margin-top:10px}.stat-box{display:flex;flex-direction:column;align-items:flex-start}.stat-number{font-size:2.5rem;font-weight:800;color:var(--accent-color);line-height:1}.stat-label{font-size:.85rem;color:#64748b;text-transform:uppercase;font-weight:700;margin-top:8px;letter-spacing:.5px}.loading-state{text-align:center;padding:40px;color:var(--accent-color);font-weight:600}@media(max-width:768px){.profile-grid{grid-template-columns:1fr}.profile-info-main{padding:60px 20px 20px;flex-direction:column;align-items:center;text-align:center}.profile-avatar-large{left:50%;transform:translate(-50%)}.edit-profile-btn{margin-top:20px}}.profile-back-btn{display:flex;align-items:center;gap:8px;background:none;border:none;color:var(--accent-color);font-weight:600;cursor:pointer;margin-bottom:20px;padding:0;font-size:1rem;transition:transform .2s}.profile-back-btn:hover{transform:translate(-4px);text-decoration:underline}.user-badge{display:flex;align-items:center;gap:6px;padding:6px 14px;background:var(--bg-color);border:1px solid var(--border-color);border-radius:12px;font-size:.85rem;font-weight:600;transition:all .2s}.user-badge:hover{transform:translateY(-2px);box-shadow:0 4px 10px #0000001a}.user-badge svg{font-size:1rem}.avatar-upload-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;cursor:pointer;opacity:0;transition:opacity .2s}.profile-avatar-large:hover .avatar-upload-overlay{opacity:1}.avatar-loader{position:absolute;width:100%;height:100%;background:#fffc;display:flex;align-items:center;justify-content:center}.avatar-loader:after{content:"";width:20px;height:20px;border:3px solid #6366f1;border-top-color:transparent;border-radius:50%;animation:avatar-spin .6s linear infinite}@keyframes avatar-spin{to{transform:rotate(360deg)}}.settings-container{max-width:1000px;margin:0 auto}.settings-title{font-size:2rem;font-weight:800;margin-bottom:32px}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:24px}.settings-card{padding:24px;display:flex;flex-direction:column;gap:24px}.settings-card-header{display:flex;align-items:center;gap:16px;margin-bottom:12px}.settings-icon-box{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.25rem}.settings-icon-box.blue{background-color:#6366f11a;color:#6366f1}.settings-icon-box.orange{background-color:#f59e0b1a;color:#f59e0b}.settings-icon-box.red{background-color:#ef44441a;color:#ef4444}.settings-icon-box.purple{background-color:#a855f71a;color:#a855f7}.settings-card-header h3{margin:0;font-size:1.25rem;font-weight:700}.settings-item{display:flex;align-items:center;justify-content:space-between;gap:16px}.settings-info h4{margin:0;font-size:1rem;font-weight:600}.settings-info p{margin:4px 0 0;font-size:.85rem;color:#64748b}.theme-toggle-btn{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:10px;font-size:.9rem;font-weight:600;background-color:var(--accent-color);color:#fff;cursor:pointer;transition:transform .2s}.theme-toggle-btn:active{transform:scale(.95)}.settings-action-btn{padding:10px 16px;border-radius:10px;font-size:.9rem;font-weight:600;background-color:var(--accent-color);color:#fff;cursor:pointer}.settings-select{padding:10px 16px;border-radius:10px;border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);font-family:inherit;font-size:.9rem;outline:none;cursor:pointer}.switch{position:relative;display:inline-block;width:60px;height:34px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background-color:#cbd5e1;transition:.4s}.slider:before{position:absolute;content:"";height:26px;width:26px;left:4px;bottom:4px;background-color:#fff;transition:.4s}input:checked+.slider{background-color:var(--accent-color)}input:focus+.slider{box-shadow:0 0 1px var(--accent-color)}input:checked+.slider:before{transform:translate(26px)}.slider.round{border-radius:34px}.slider.round:before{border-radius:50%}@media(max-width:1024px){.settings-grid{grid-template-columns:1fr}}.settings-subtitle{color:#64748b;margin:-20px 0 32px;font-size:1rem}.settings-icon-box.green{background-color:#10b9811a;color:#10b981}.settings-text-input{width:100%;padding:12px 16px;border-radius:12px;border:1.5px solid var(--border-color);background:var(--bg-color);color:var(--text-color);font-family:inherit;font-size:.95rem;outline:none;transition:all .2s}.settings-text-input:focus{border-color:var(--accent-color);box-shadow:0 0 0 3px #6366f11a}.settings-save-btn{display:flex;align-items:center;gap:8px;padding:12px 20px;background:var(--accent-color);color:#fff;border:none;border-radius:12px;font-weight:700;font-size:.9rem;cursor:pointer;white-space:nowrap;transition:all .2s}.settings-save-btn:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px)}.settings-save-btn:disabled{opacity:.5;cursor:not-allowed}.settings-msg{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:10px;font-size:.85rem;font-weight:600;width:100%}.settings-msg.success{background:#10b9811a;color:#10b981;border:1px solid rgba(16,185,129,.3)}.settings-msg.error{background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.3)}.chat-container{display:grid;grid-template-columns:280px 1fr;height:calc(100vh - 120px);background:var(--card-bg);border-radius:24px;border:1px solid var(--border-color);overflow:hidden;box-shadow:0 20px 40px #0000000f}.chat-sidebar{border-right:1px solid var(--border-color);display:flex;flex-direction:column;background:var(--bg-color)}.chat-sidebar-header{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--border-color)}.chat-sidebar-header h3{font-size:1.1rem;font-weight:800;margin:0}.chat-sidebar-header .header-icon{color:var(--accent-color);font-size:1.2rem}.chat-friend-list{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:4px}.chat-friend-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:14px;cursor:pointer;transition:all .2s}.chat-friend-item:hover{background:#6366f10f}.chat-friend-item.active-chat{background:#6366f11a;border-left:3px solid var(--accent-color)}.chat-avatar{position:relative;width:44px;height:44px;border-radius:14px;background:var(--accent-color);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1.1rem;flex-shrink:0;overflow:hidden}.chat-avatar img{width:100%;height:100%;object-fit:cover}.chat-status-dot{position:absolute;bottom:2px;right:2px;font-size:.55rem;filter:drop-shadow(0 0 1px rgba(0,0,0,.3))}.chat-status-dot.online{color:#10b981}.chat-status-dot.offline{color:#94a3b8}.chat-friend-info strong{display:block;font-size:.9rem;font-weight:700}.chat-status-label{font-size:.75rem;color:#94a3b8;font-weight:600;margin:0}.chat-status-label.online{color:#10b981}.chat-empty-hint{text-align:center;padding:20px;color:#94a3b8;font-size:.85rem}.chat-main{display:flex;flex-direction:column;height:100%;overflow:hidden}.chat-topbar{display:flex;align-items:center;gap:14px;padding:16px 24px;border-bottom:1px solid var(--border-color);background:var(--card-bg)}.chat-topbar strong{display:block;font-size:1rem;font-weight:800}.chat-messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:10px;background:var(--bg-color)}.chat-no-messages{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#94a3b8;padding:40px}.chat-bubble{display:flex;flex-direction:column;max-width:70%;gap:4px}.chat-bubble.outgoing{align-self:flex-end;align-items:flex-end}.chat-bubble.incoming{align-self:flex-start;align-items:flex-start}.bubble-text{padding:12px 18px;border-radius:18px;font-size:.95rem;line-height:1.5;word-break:break-word}.outgoing .bubble-text{background:var(--accent-color);color:#fff;border-bottom-right-radius:4px}.incoming .bubble-text{background:var(--card-bg);border:1px solid var(--border-color);border-bottom-left-radius:4px}.bubble-time{font-size:.7rem;color:#94a3b8;padding:0 4px}.chat-input-bar{display:flex;gap:12px;padding:16px 24px;border-top:1px solid var(--border-color);background:var(--card-bg)}.chat-input{flex:1;padding:14px 20px;border-radius:50px;border:1.5px solid var(--border-color);background:var(--bg-color);color:var(--text-color);font-size:.95rem;outline:none;transition:all .2s;font-family:inherit}.chat-input:focus{border-color:var(--accent-color);box-shadow:0 0 0 3px #6366f11a}.chat-send-btn{width:48px;height:48px;border-radius:50%;background:var(--accent-color);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all .2s;flex-shrink:0}.chat-send-btn:hover:not(:disabled){transform:scale(1.1);box-shadow:0 6px 14px #6366f166}.chat-send-btn:disabled{opacity:.4;cursor:not-allowed}.chat-placeholder{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#94a3b8;padding:40px;text-align:center}.top-header{display:flex;justify-content:space-between;align-items:center;padding:16px 32px;background:var(--card-bg);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1000;height:72px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.header-left,.header-right{display:flex;align-items:center;gap:16px}.menu-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--text-color);cursor:pointer;padding:8px;border-radius:8px;align-items:center;justify-content:center}.menu-toggle:hover{background:#0000000d}@media(max-width:9000px){.menu-toggle{display:flex!important;visibility:visible!important;z-index:9999;margin-right:10px;color:var(--text-color);opacity:1!important}}@media(max-width:768px){.top-header{padding:0 16px;height:64px}.header-search-dummy{display:none}.header-right{gap:12px}.logout-btn-nav,.header-user-info span{display:none}.notification-dropdown{width:calc(100vw - 32px);right:-8px}}.header-search-dummy input{background:var(--bg-color);border:1px solid var(--border-color);padding:8px 16px;border-radius:20px;width:280px;color:var(--text-color);outline:none;transition:all .2s}.header-search-dummy input:focus{width:320px;border-color:var(--accent-color);box-shadow:0 0 0 3px #6366f11a}.notification-wrapper{position:relative}.notification-btn{background:none;border:none;font-size:1.4rem;color:#64748b;cursor:pointer;position:relative;padding:8px;border-radius:50%;transition:all .2s;display:flex;align-items:center;justify-content:center}.notification-btn:hover{background:#6366f114;color:var(--accent-color)}.notif-badge{position:absolute;top:0;right:0;background:#ef4444;color:#fff;font-size:.7rem;padding:2px 5px;border-radius:10px;font-weight:800;border:2px solid var(--card-bg)}.notification-dropdown{position:absolute;top:50px;right:0;width:340px;max-height:440px;overflow-y:auto;padding:20px;z-index:1100;box-shadow:0 20px 25px -5px #0000001a}.dropdown-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border-color)}.dropdown-header h3{font-size:1.1rem;font-weight:700;margin:0}.dropdown-header button{background:none;border:none;color:#ef4444;font-size:.8rem;font-weight:600;cursor:pointer}.notif-item{display:flex;gap:12px;padding:12px;border-radius:12px;margin-bottom:8px;transition:all .2s;background:var(--bg-color)}.notif-item.unread{background:#6366f10a;border-left:3px solid var(--accent-color)}.notif-icon{width:36px;height:36px;border-radius:10px;background:#6366f1;color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}.notif-content p{font-size:.9rem;margin:0 0 4px;line-height:1.4}.notif-time{font-size:.75rem;color:#64748b}.notif-actions{display:flex;gap:8px;margin-top:10px}.accept-btn,.decline-btn{padding:6px 14px;border-radius:8px;border:none;font-size:.8rem;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s}.accept-btn{background:#10b981;color:#fff}.decline-btn{background:#ef44441a;color:#ef4444}.accepted-badge{color:#10b981;font-size:.8rem;font-weight:700;margin-top:5px}.logout-btn-nav{padding:8px 16px;background:#ff4757;color:#fff;border:none;border-radius:12px;font-weight:700;cursor:pointer;transition:all .2s}.logout-btn-nav:hover{filter:brightness(1.1);transform:translateY(-1px)}.header-user-info{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit;font-weight:700;font-size:.95rem}.user-profile-nav{display:flex;align-items:center;gap:16px}.header-user-info img,.avatar-small{width:36px;height:36px;border-radius:10px;background:var(--accent-color);display:flex;align-items:center;justify-content:center;color:#fff;object-fit:cover}.empty-notif{text-align:center;padding:20px;color:#64748b;font-size:.9rem}:root{--bg-color: #f8f9fa;--text-color: #1a1a1a;--card-bg: #ffffff;--accent-color: #6366f1;--accent-hover: #4f46e5;--border-color: rgba(0, 0, 0, .08);--input-bg: #ffffff}[data-theme=dark]{--bg-color: #0f172a;--text-color: #f1f5f9;--card-bg: #1e293b;--accent-color: #818cf8;--accent-hover: #a5b4fc;--border-color: rgba(255, 255, 255, .08);--input-bg: #334155}body{margin:0;font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-color);transition:background-color .3s ease,color .3s ease}button{cursor:pointer;border:none;padding:10px 18px;border-radius:10px;background-color:var(--accent-color);color:#fff;font-weight:500;font-family:inherit;transition:all .2s}button:hover{background-color:var(--accent-hover);transform:translateY(-1px)}button:active{transform:translateY(0)}.card{background-color:var(--card-bg);border-radius:16px;padding:24px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;border:1px solid var(--border-color)}:root{--sidebar-width: 280px;--top-header-height: 64px;--transition: .3s cubic-bezier(.25, .8, .25, 1)}*{box-sizing:border-box}body{margin:0;padding:0;overflow-x:hidden;background-color:var(--bg-color);color:var(--text-color)}.loading-screen{height:100vh;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--accent-color)}.app-wrapper{display:flex;min-height:100vh;transition:var(--transition)}.main-content{flex:1;display:flex;flex-direction:column;min-height:100vh;transition:var(--transition);margin-left:var(--sidebar-width)}.sidebar-closed .main-content{margin-left:80px}.page-container{padding:24px;max-width:1400px;margin:0 auto;width:100%}@media(max-width:1200px){.page-container{padding:20px}}@media(max-width:768px){.page-container{padding:16px}.sidebar-closed .main-content,.sidebar-open .main-content{margin-left:0!important}}@media(max-width:1024px){.main-content{margin-left:0!important}}.onboarding-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:20000}.onboarding-card{max-width:450px;width:90%;padding:40px;text-align:center;box-shadow:0 30px 60px #0006}.onboarding-step{display:flex;flex-direction:column;align-items:center;gap:20px}.step-icon{font-size:3rem;color:var(--accent-color);margin-bottom:10px}.onboarding-step h2{font-size:1.8rem;font-weight:800}.onboarding-step p{color:#64748b;line-height:1.6;font-size:1.1rem}.step-dots{display:flex;gap:8px;justify-content:center;margin-top:30px}.dot{width:8px;height:8px;border-radius:50%;background-color:var(--border-color);transition:all .3s}.dot.active{background-color:var(--accent-color);width:20px;border-radius:4px}