.navbar{position:sticky;top:0;z-index:100;padding:var(--space-md) 0}.navbar-container{display:flex;align-items:center;justify-content:space-between;gap:var(--space-xl)}.navbar-logo{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none}.logo-icon{font-size:1.75rem}.navbar-menu{flex:1;display:flex;justify-content:center}.navbar-links{display:flex;align-items:center;gap:var(--space-sm)}.nav-link{display:flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);font-size:.9375rem;font-weight:500;color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-lg);transition:all var(--transition-fast)}.nav-link:hover{color:var(--text-primary);background:var(--bg-glass)}.nav-link.active{color:var(--primary-400);background:#6366f11a}.nav-link-highlight{background:var(--gradient-primary);color:#fff!important}.nav-link-highlight:hover{transform:translateY(-1px);box-shadow:var(--shadow-glow-sm)}.navbar-actions{display:flex;align-items:center;gap:var(--space-md)}.auth-buttons{display:flex;align-items:center;gap:var(--space-sm)}.user-menu-wrapper{position:relative}.user-menu-trigger{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-xs);background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast)}.user-menu-trigger:hover{border-color:var(--border-color-hover);background:var(--bg-card-hover)}.user-name{padding-right:var(--space-sm);font-size:.875rem;font-weight:500;color:var(--text-primary)}.user-menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:90}.user-menu{position:absolute;top:calc(100% + var(--space-sm));right:0;min-width:220px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);overflow:hidden;z-index:100;animation:fadeInUp .2s ease-out}.user-menu-header{padding:var(--space-md)}.user-menu-name{font-weight:600;color:var(--text-primary)}.user-menu-email{font-size:.8125rem;color:var(--text-muted)}.user-menu-divider{height:1px;background:var(--border-color)}.user-menu-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);font-size:.875rem;color:var(--text-secondary);text-decoration:none;background:none;border:none;width:100%;cursor:pointer;transition:all var(--transition-fast)}.user-menu-item:hover{background:var(--bg-glass);color:var(--text-primary)}.user-menu-logout:hover{color:var(--error-400)}.menu-toggle{display:none;padding:var(--space-sm);background:none;border:none;color:var(--text-primary);cursor:pointer}@media (max-width: 768px){.navbar-menu{position:fixed;top:70px;left:0;right:0;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:var(--space-md);transform:translateY(-100%);opacity:0;visibility:hidden;transition:all var(--transition-base)}.navbar-menu.active{transform:translateY(0);opacity:1;visibility:visible}.navbar-links{flex-direction:column;gap:var(--space-sm)}.nav-link{width:100%;justify-content:center;padding:var(--space-md)}.menu-toggle{display:flex}.auth-buttons{display:none}}.footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:var(--space-3xl) 0 var(--space-xl);margin-top:auto}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-2xl)}.footer-brand{max-width:300px}.footer-logo{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none;margin-bottom:var(--space-md)}.footer-tagline{font-size:.875rem;color:var(--text-muted);line-height:1.7;margin-bottom:var(--space-lg)}.footer-social{display:flex;gap:var(--space-sm)}.social-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-lg);color:var(--text-secondary);transition:all var(--transition-fast)}.social-link:hover{background:var(--primary-500);border-color:var(--primary-500);color:#fff;transform:translateY(-2px)}.footer-title{font-size:.875rem;font-weight:600;color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-lg)}.footer-links{list-style:none}.footer-links li{margin-bottom:var(--space-sm)}.footer-links a{font-size:.875rem;color:var(--text-muted);transition:color var(--transition-fast)}.footer-links a:hover{color:var(--primary-400)}.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-xl);margin-top:var(--space-2xl);border-top:1px solid var(--border-color)}.copyright{font-size:.875rem;color:var(--text-muted)}.made-with{display:flex;align-items:center;gap:var(--space-xs);font-size:.875rem;color:var(--text-muted)}.heart-icon{color:var(--error-400);fill:var(--error-400);animation:pulse 1.5s infinite}@media (max-width: 768px){.footer-grid{grid-template-columns:1fr 1fr;gap:var(--space-xl)}.footer-brand{grid-column:1 / -1;max-width:100%}.footer-bottom{flex-direction:column;gap:var(--space-sm);text-align:center}}@media (max-width: 480px){.footer-grid{grid-template-columns:1fr}}.task-card{display:flex;flex-direction:column;gap:var(--space-md);padding:var(--space-xl);text-decoration:none;cursor:pointer}.task-card-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);flex-wrap:wrap}.task-card-title{font-size:1.125rem;font-weight:600;color:var(--text-primary);line-height:1.4;transition:color var(--transition-fast)}.task-card:hover .task-card-title{color:var(--primary-400)}.task-card-description{font-size:.875rem;color:var(--text-muted);line-height:1.6}.task-card-skills{display:flex;flex-wrap:wrap;gap:var(--space-xs)}.skill-tag{padding:2px 8px;font-size:.75rem;font-weight:500;color:var(--text-secondary);background:var(--bg-glass);border-radius:var(--radius-sm)}.skill-more{color:var(--primary-400)}.task-card-meta{display:flex;align-items:center;gap:var(--space-lg);flex-wrap:wrap}.meta-item{display:flex;align-items:center;gap:var(--space-xs);font-size:.875rem;color:var(--text-secondary)}.deadline-success{color:var(--success-400)}.deadline-warning{color:var(--warning-400)}.deadline-error{color:var(--error-400)}.task-card-footer{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border-color);margin-top:auto}.poster-info{display:flex;align-items:center;gap:var(--space-sm)}.poster-details{display:flex;flex-direction:column}.poster-name{font-size:.875rem;font-weight:500;color:var(--text-primary)}.poster-rating{display:flex;align-items:center;gap:var(--space-xs);font-size:.75rem;color:var(--text-muted)}.applications-count{display:flex;align-items:center;gap:var(--space-xs);font-size:.8125rem;color:var(--text-muted)}.user-card{display:flex;flex-direction:column;padding:var(--space-xl);text-decoration:none;text-align:center}.user-card-header{display:flex;flex-direction:column;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md)}.user-card-rating{display:flex;align-items:center;gap:var(--space-xs)}.rating-value{font-weight:600;color:var(--text-primary);margin-left:var(--space-xs)}.rating-count{font-size:.8125rem;color:var(--text-muted)}.user-card-body{display:flex;flex-direction:column;gap:var(--space-sm);flex:1}.user-card-name{font-size:1.125rem;font-weight:600;color:var(--text-primary);transition:color var(--transition-fast)}.user-card:hover .user-card-name{color:var(--primary-400)}.user-card-info{display:flex;align-items:center;justify-content:center;gap:var(--space-xs);font-size:.875rem;color:var(--text-muted)}.user-card-skills{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-xs);margin-top:var(--space-sm)}.user-card-footer{margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--border-color)}.view-profile-link{font-size:.875rem;font-weight:500;color:var(--primary-400);transition:color var(--transition-fast)}.user-card:hover .view-profile-link{color:var(--primary-300)}.hero{padding:var(--space-3xl) 0;min-height:90vh;display:flex;align-items:center;position:relative;overflow:hidden}.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3xl);align-items:center}.hero-badge{display:inline-block;padding:var(--space-xs) var(--space-md);background:#6366f126;border:1px solid rgba(99,102,241,.3);border-radius:var(--radius-full);font-size:.875rem;font-weight:500;color:var(--primary-400);margin-bottom:var(--space-lg)}.hero-title{font-size:clamp(2.5rem,5vw,4rem);line-height:1.1;margin-bottom:var(--space-lg)}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);margin-bottom:var(--space-xl);max-width:540px}.hero-actions{display:flex;gap:var(--space-md);margin-bottom:var(--space-2xl);flex-wrap:wrap}.hero-stats{display:flex;gap:var(--space-xl);flex-wrap:wrap}.hero-stat{display:flex;flex-direction:column}.hero-stat-value{font-size:1.5rem;font-weight:700;color:var(--text-primary)}.hero-stat-label{font-size:.875rem;color:var(--text-muted)}.hero-visual{position:relative;height:400px}.hero-card{position:absolute;display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg)}.hero-card-1{top:20%;left:10%;animation-delay:0s}.hero-card-2{top:45%;right:10%;animation-delay:.5s}.hero-card-3{bottom:20%;left:20%;animation-delay:1s}.hero-card-name{font-weight:600;color:var(--text-primary);margin-bottom:2px}.hero-card-emoji{font-size:2rem}.hero-card-title{font-weight:600;color:var(--text-primary)}.hero-card-price{font-size:.875rem;color:var(--success-400)}.hero-card-success{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--success-500);border-radius:var(--radius-full);color:#fff;font-size:1.25rem}.hero-card-text{font-weight:600;color:var(--success-400)}.categories-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--space-md)}.category-card{display:flex;flex-direction:column;align-items:center;gap:var(--space-md);padding:var(--space-xl);text-decoration:none;text-align:center}.category-icon{font-size:2.5rem}.category-name{font-size:.9375rem;font-weight:500;color:var(--text-primary)}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xl)}.step-card{position:relative;text-align:center;padding:var(--space-xl)}.step-number{position:absolute;top:0;left:50%;transform:translate(-50%);width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--gradient-primary);border-radius:var(--radius-full);font-weight:700;color:#fff}.step-icon{display:flex;align-items:center;justify-content:center;width:80px;height:80px;margin:var(--space-xl) auto var(--space-lg);background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-2xl);color:var(--primary-400)}.step-title{font-size:1.25rem;margin-bottom:var(--space-sm)}.step-description{font-size:.9375rem;color:var(--text-muted)}.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-lg)}.feature-card{padding:var(--space-xl)}.feature-icon{display:flex;align-items:center;justify-content:center;width:50px;height:50px;background:var(--gradient-primary);border-radius:var(--radius-lg);color:#fff;margin-bottom:var(--space-md)}.feature-title{font-size:1.125rem;margin-bottom:var(--space-sm)}.feature-description{font-size:.875rem;color:var(--text-muted)}.section-cta{text-align:center;margin-top:var(--space-2xl)}.testimonial-card{padding:var(--space-xl)}.testimonial-rating{margin-bottom:var(--space-md)}.testimonial-content{font-size:1rem;color:var(--text-secondary);line-height:1.7;margin-bottom:var(--space-lg)}.testimonial-author{display:flex;align-items:center;gap:var(--space-md)}.testimonial-name{font-weight:600;color:var(--text-primary)}.testimonial-role{font-size:.8125rem;color:var(--text-muted)}.cta-section{padding:var(--space-2xl) 0}.cta-card{background:var(--gradient-card);border:1px solid var(--border-color);border-radius:var(--radius-2xl);padding:var(--space-3xl);text-align:center}.cta-title{font-size:2rem;margin-bottom:var(--space-md)}.cta-subtitle{font-size:1.125rem;color:var(--text-secondary);max-width:500px;margin:0 auto var(--space-xl)}.cta-actions{display:flex;gap:var(--space-md);justify-content:center;flex-wrap:wrap}@media (max-width: 1024px){.hero .container{grid-template-columns:1fr;text-align:center}.hero-subtitle{margin-left:auto;margin-right:auto}.hero-actions,.hero-stats{justify-content:center}.hero-visual{display:none}.categories-grid{grid-template-columns:repeat(3,1fr)}.features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.steps-grid{grid-template-columns:1fr}.categories-grid{grid-template-columns:repeat(2,1fr)}.features-grid{grid-template-columns:1fr}}.tasks-page{padding:var(--space-2xl) 0;min-height:80vh}.tasks-header{margin-bottom:var(--space-xl)}.page-title{font-size:2rem;margin-bottom:var(--space-sm)}.page-subtitle{color:var(--text-secondary)}.tasks-toolbar{display:flex;gap:var(--space-md);margin-bottom:var(--space-lg)}.search-box{flex:1;position:relative;display:flex;align-items:center}.search-box svg{position:absolute;left:var(--space-md);color:var(--text-muted);pointer-events:none}.search-box .form-input{padding-left:3rem}.tasks-toolbar .btn.active{background:var(--primary-500);color:#fff}.filters-panel{padding:var(--space-xl);margin-bottom:var(--space-lg)}.filters-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--space-md);margin-bottom:var(--space-md)}.filter-group{display:flex;flex-direction:column}.clear-filters{color:var(--text-muted)}.clear-filters:hover{color:var(--error-400)}.category-pills{display:flex;flex-wrap:wrap;gap:var(--space-sm);margin-bottom:var(--space-xl);padding-bottom:var(--space-lg);border-bottom:1px solid var(--border-color)}.category-pill{padding:var(--space-sm) var(--space-md);background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-full);font-size:.875rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.category-pill:hover{border-color:var(--border-color-hover);color:var(--text-primary)}.category-pill.active{background:var(--primary-500);border-color:var(--primary-500);color:#fff}.results-count{color:var(--text-muted);margin-bottom:var(--space-lg)}.tasks-grid{margin-bottom:var(--space-2xl)}.no-results{text-align:center;padding:var(--space-3xl)}.no-results-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-sm)}.no-results-text{color:var(--text-muted);margin-bottom:var(--space-lg)}@media (max-width: 1024px){.filters-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.tasks-toolbar{flex-direction:column}.filters-grid{grid-template-columns:repeat(2,1fr)}.category-pills{overflow-x:auto;flex-wrap:nowrap;padding-bottom:var(--space-md);scrollbar-width:none;-ms-overflow-style:none}.category-pills::-webkit-scrollbar{display:none}.category-pill{flex-shrink:0}}.task-detail-page{padding:var(--space-2xl) 0;min-height:80vh}.back-link{display:inline-flex;align-items:center;gap:var(--space-sm);color:var(--text-secondary);margin-bottom:var(--space-xl);transition:color var(--transition-fast)}.back-link:hover{color:var(--primary-400)}.task-detail-grid{display:grid;grid-template-columns:1fr 380px;gap:var(--space-xl);align-items:start}.task-main{display:flex;flex-direction:column;gap:var(--space-xl)}.task-badges{display:flex;gap:var(--space-sm);margin-bottom:var(--space-md);flex-wrap:wrap}.task-title{font-size:1.75rem;line-height:1.3;margin-bottom:var(--space-md)}.task-meta{display:flex;gap:var(--space-lg);flex-wrap:wrap}.task-date{display:flex;align-items:center;gap:var(--space-xs);font-size:.875rem;color:var(--text-muted)}.task-section{padding:var(--space-xl);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl)}.section-heading{font-size:1.125rem;margin-bottom:var(--space-md)}.task-description{font-size:1rem;color:var(--text-secondary);line-height:1.8;white-space:pre-wrap}.skills-list{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.skill-tag{padding:var(--space-sm) var(--space-md);background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-lg);font-size:.875rem;color:var(--text-secondary)}.applications-list{display:flex;flex-direction:column;gap:var(--space-md)}.application-card{padding:var(--space-lg)}.application-header{margin-bottom:var(--space-md)}.applicant-info{display:flex;align-items:center;gap:var(--space-md);text-decoration:none}.applicant-name{font-weight:600;color:var(--text-primary)}.applicant-rating{display:flex;align-items:center;gap:var(--space-xs);font-size:.8125rem;color:var(--text-muted)}.application-message{font-size:.9375rem;color:var(--text-secondary);margin-bottom:var(--space-md)}.application-actions{display:flex;gap:var(--space-sm)}.task-sidebar{display:flex;flex-direction:column;gap:var(--space-lg);position:sticky;top:100px}.budget-section{display:flex;flex-direction:column;gap:var(--space-xs);padding-bottom:var(--space-lg);border-bottom:1px solid var(--border-color);margin-bottom:var(--space-lg)}.budget-label{font-size:.875rem;color:var(--text-muted)}.budget-value{font-size:1.5rem;font-weight:700;color:var(--success-400)}.info-list{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-lg)}.info-item{display:flex;align-items:center;gap:var(--space-md);color:var(--text-muted)}.info-item>div{display:flex;flex-direction:column}.info-label{font-size:.8125rem;color:var(--text-muted)}.info-value{font-weight:600;color:var(--text-primary)}.sidebar-actions{display:flex;flex-direction:column;gap:var(--space-sm)}.sidebar-actions .btn{width:100%}.poster-card{display:flex;align-items:center;gap:var(--space-md);text-decoration:none;padding:var(--space-md);margin:calc(-1 * var(--space-md));border-radius:var(--radius-lg);transition:background var(--transition-fast)}.poster-card:hover{background:var(--bg-glass)}.poster-info{display:flex;flex-direction:column;gap:2px}.poster-name{font-weight:600;color:var(--text-primary)}.poster-rating{display:flex;align-items:center;gap:var(--space-xs);font-size:.8125rem;color:var(--text-muted)}.poster-college{font-size:.8125rem;color:var(--text-muted)}.similar-tasks-section{margin-top:var(--space-3xl);padding-top:var(--space-2xl);border-top:1px solid var(--border-color)}.similar-tasks-section .section-heading{margin-bottom:var(--space-xl)}.modal-description{color:var(--text-secondary);margin-bottom:var(--space-lg)}.modal-actions{display:flex;justify-content:flex-end;gap:var(--space-sm);margin-top:var(--space-lg)}.not-found{text-align:center;padding:var(--space-3xl)}.not-found h2{margin-bottom:var(--space-md)}.not-found p{color:var(--text-muted);margin-bottom:var(--space-xl)}@media (max-width: 1024px){.task-detail-grid{grid-template-columns:1fr}.task-sidebar{position:static}}.post-task-page{padding:var(--space-2xl) 0;min-height:80vh}.post-task-header{text-align:center;margin-bottom:var(--space-2xl)}.post-task-grid{display:grid;grid-template-columns:1fr 350px;gap:var(--space-xl);align-items:start}.post-task-form{display:flex;flex-direction:column;gap:var(--space-xl)}.form-section{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--space-xl)}.form-section-title{font-size:1.125rem;margin-bottom:var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--border-color)}.form-input.error,.form-select.error,.form-textarea.error{border-color:var(--error-500)}.form-error{display:block;margin-top:var(--space-xs);font-size:.8125rem;color:var(--error-400)}.form-hint{display:block;margin-top:var(--space-xs);font-size:.8125rem;color:var(--text-muted)}.form-actions{display:flex;justify-content:flex-end;gap:var(--space-md)}.post-task-tips{display:flex;flex-direction:column;gap:var(--space-lg);position:sticky;top:100px}.tips-card{padding:var(--space-xl)}.tips-title{font-size:1rem;margin-bottom:var(--space-md)}.tips-list{list-style:none}.tips-list li{position:relative;padding-left:var(--space-lg);margin-bottom:var(--space-sm);font-size:.875rem;color:var(--text-secondary)}.tips-list li:before{content:"•";position:absolute;left:0;color:var(--primary-400)}@media (max-width: 1024px){.post-task-grid{grid-template-columns:1fr}.post-task-tips{position:static;flex-direction:row}.tips-card{flex:1}}@media (max-width: 640px){.form-row{grid-template-columns:1fr}.post-task-tips{flex-direction:column}.form-actions{flex-direction:column-reverse}.form-actions .btn{width:100%}}.workers-page{padding:var(--space-2xl) 0;min-height:80vh}.workers-header{margin-bottom:var(--space-xl)}.workers-toolbar{display:flex;gap:var(--space-md);margin-bottom:var(--space-lg);flex-wrap:wrap}.workers-toolbar .search-box{flex:1;min-width:300px}.filter-controls{display:flex;gap:var(--space-md)}.filter-group-inline{display:flex;align-items:center;gap:var(--space-sm)}.filter-group-inline label{font-size:.875rem;color:var(--text-secondary);white-space:nowrap}.filter-group-inline .form-select{width:auto;min-width:140px}.workers-grid{margin-top:var(--space-xl)}@media (max-width: 768px){.workers-toolbar{flex-direction:column}.workers-toolbar .search-box{min-width:100%}.filter-controls{flex-wrap:wrap}}.profile-page{padding:var(--space-2xl) 0;min-height:80vh}.profile-grid{display:grid;grid-template-columns:1fr 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a{color:var(--primary-400);font-weight:500}.demo-hint{margin-top:var(--space-lg);padding:var(--space-md);background:var(--bg-glass);border-radius:var(--radius-lg);text-align:center}.demo-hint p{font-size:.8125rem;color:var(--text-muted)}.demo-hint strong{color:var(--primary-400)}.role-options{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-sm)}.role-option{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);padding:var(--space-md);background:var(--bg-glass);border:1px solid var(--border-color);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast);text-align:center}.role-option:hover{border-color:var(--border-color-hover)}.role-option.active{border-color:var(--primary-500);background:#6366f11a}.role-option 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var(--space-md);border-radius:var(--radius-lg);font-size:.9375rem;line-height:1.5}.message.sent .message-content{background:var(--gradient-primary);color:#fff;border-bottom-right-radius:var(--radius-sm)}.message.received .message-content{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);border-bottom-left-radius:var(--radius-sm)}.message-time{font-size:.6875rem;color:var(--text-muted);margin-top:var(--space-xs)}.message.sent .message-time{align-self:flex-end}.chat-input{display:flex;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);border-top:1px solid var(--border-color);background:var(--bg-card)}.chat-input .form-input{flex:1}.no-chat-selected{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted)}@media (max-width: 768px){.messages-layout{grid-template-columns:1fr}.conversations-panel{display:none}.messages-layout:has(.no-chat-selected) .conversations-panel{display:flex}.messages-layout:has(.no-chat-selected) .chat-panel{display:none}}:root{--primary-50: #eef2ff;--primary-100: #e0e7ff;--primary-200: #c7d2fe;--primary-300: #a5b4fc;--primary-400: #818cf8;--primary-500: #6366f1;--primary-600: #4f46e5;--primary-700: #4338ca;--primary-800: #3730a3;--primary-900: #312e81;--secondary-400: #a78bfa;--secondary-500: #8b5cf6;--secondary-600: #7c3aed;--accent-400: #22d3ee;--accent-500: #06b6d4;--accent-600: #0891b2;--success-400: #34d399;--success-500: #10b981;--success-600: #059669;--warning-400: #fbbf24;--warning-500: #f59e0b;--warning-600: #d97706;--error-400: #f87171;--error-500: #ef4444;--error-600: #dc2626;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--gray-950: #030712;--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-card: rgba(255, 255, 255, .03);--bg-card-hover: rgba(255, 255, 255, .06);--bg-glass: rgba(255, 255, 255, .05);--text-primary: #ffffff;--text-secondary: #a1a1aa;--text-muted: #71717a;--border-color: rgba(255, 255, 255, .1);--border-color-hover: rgba(255, 255, 255, .2);--gradient-primary: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-500) 100%);--gradient-secondary: linear-gradient(135deg, var(--accent-500) 0%, var(--primary-500) 100%);--gradient-success: linear-gradient(135deg, var(--success-500) 0%, var(--accent-500) 100%);--gradient-card: linear-gradient(135deg, rgba(99, 102, 241, .1) 0%, rgba(139, 92, 246, .05) 100%);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -4px rgba(0, 0, 0, .3);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .3), 0 8px 10px -6px rgba(0, 0, 0, .3);--shadow-glow: 0 0 40px rgba(99, 102, 241, .3);--shadow-glow-sm: 0 0 20px rgba(99, 102, 241, .2);--space-xs: 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var(--space-lg)}.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.glass{background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color)}.glass-card{background:var(--bg-card);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--border-color);border-radius:var(--radius-xl);transition:all var(--transition-base)}.glass-card:hover{background:var(--bg-card-hover);border-color:var(--border-color-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-family:var(--font-sans);font-size:.875rem;font-weight:600;border-radius:var(--radius-lg);border:none;cursor:pointer;transition:all 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var(--space-md);font-size:.8125rem}.btn-icon{padding:var(--space-sm);border-radius:var(--radius-md)}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;margin-bottom:var(--space-sm);font-size:.875rem;font-weight:500;color:var(--text-secondary)}.form-input,.form-select,.form-textarea{width:100%;padding:var(--space-md);font-family:var(--font-sans);font-size:1rem;color:var(--text-primary);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:all var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px #6366f133}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-textarea{min-height:120px;resize:vertical}.form-select{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='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--space-md) center;background-size:1rem;padding-right:2.5rem}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--space-xl);transition:all var(--transition-base)}.card:hover{border-color:var(--border-color-hover);box-shadow:var(--shadow-lg)}.card-header{margin-bottom:var(--space-lg)}.card-body{color:var(--text-secondary)}.card-footer{margin-top:var(--space-lg);padding-top:var(--space-lg);border-top:1px solid var(--border-color)}.badge{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-sm);font-size:.75rem;font-weight:600;border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.025em}.badge-primary{background:#6366f133;color:var(--primary-400)}.badge-secondary{background:#8b5cf633;color:var(--secondary-400)}.badge-accent{background:#06b6d433;color:var(--accent-400)}.badge-success{background:#10b98133;color:var(--success-400)}.badge-warning{background:#f59e0b33;color:var(--warning-400)}.badge-error{background:#ef444433;color:var(--error-400)}.badge-project{background:#3b82f633;color:#60a5fa}.badge-assignment{background:#22c55e33;color:#4ade80}.badge-lab{background:#a855f733;color:#c084fc}.badge-ppt{background:#f9731633;color:#fb923c}.badge-research{background:#ef444433;color:#f87171}.badge-thesis{background:#6366f133;color:#818cf8}.star-rating{display:inline-flex;align-items:center;gap:2px}.star{color:var(--gray-600);transition:color var(--transition-fast)}.star.filled{color:#fbbf24}.star.interactive{cursor:pointer}.star.interactive:hover{transform:scale(1.1)}.avatar{width:40px;height:40px;border-radius:var(--radius-full);object-fit:cover;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}.avatar-lg{width:80px;height:80px;font-size:1.5rem}.avatar-sm{width:32px;height:32px;font-size:.875rem}.grid{display:grid;gap:var(--space-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 1024px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.gap-xl{gap:var(--space-xl)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mt-xl{margin-top:var(--space-xl)}.mt-2xl{margin-top:var(--space-2xl)}.mt-3xl{margin-top:var(--space-3xl)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.mb-xl{margin-bottom:var(--space-xl)}.py-xl{padding-top:var(--space-xl);padding-bottom:var(--space-xl)}.py-2xl{padding-top:var(--space-2xl);padding-bottom:var(--space-2xl)}.py-3xl{padding-top:var(--space-3xl);padding-bottom:var(--space-3xl)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes glow{0%,to{box-shadow:var(--shadow-glow-sm)}50%{box-shadow:var(--shadow-glow)}}.animate-fade-in{animation:fadeIn .5s ease-out}.animate-fade-in-up{animation:fadeInUp .5s ease-out}.animate-slide-in-right{animation:slideInRight .5s ease-out}.animate-pulse{animation:pulse 2s infinite}.animate-float{animation:float 3s ease-in-out infinite}.animate-glow{animation:glow 2s ease-in-out infinite}.stagger-1{animation-delay:.1s}.stagger-2{animation-delay:.2s}.stagger-3{animation-delay:.3s}.stagger-4{animation-delay:.4s}.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:1000;animation:fadeIn .2s ease-out}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--space-xl);max-width:500px;width:90%;max-height:90vh;overflow-y:auto;animation:fadeInUp .3s ease-out}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.modal-title{font-size:1.25rem;font-weight:600}.modal-close{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:var(--space-xs);border-radius:var(--radius-md);transition:all var(--transition-fast)}.modal-close:hover{color:var(--text-primary);background:var(--bg-glass)}.section{padding:var(--space-3xl) 0}.section-header{text-align:center;margin-bottom:var(--space-2xl)}.section-title{margin-bottom:var(--space-md)}.section-subtitle{color:var(--text-secondary);font-size:1.125rem;max-width:600px;margin:0 auto}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--gray-700);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--gray-600)}::selection{background:var(--primary-500);color:#fff}:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px}@media (max-width: 768px){.container{padding:0 var(--space-md)}.section{padding:var(--space-2xl) 0}.hide-mobile{display:none}}@media (min-width: 769px){.hide-desktop{display:none}}