@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";.logo-icon{width:36px;height:36px;background:var(--color-accent);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff}.nav-icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);color:var(--color-text-secondary);background:transparent;border:none;cursor:pointer;transition:all var(--transition-fast)}.nav-login{color:var(--color-text-secondary);font-weight:500;font-size:var(--font-size-sm);padding:8px 16px;text-decoration:none;transition:color var(--transition-fast)}.nav-cta{background:var(--color-accent);color:#fff;padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:var(--font-size-sm);text-decoration:none;transition:all var(--transition-fast)}.nav-cta:hover{background:var(--color-accent-hover);transform:translateY(-1px);color:#fff}@media(max-width:768px){.main-header{padding:0 var(--spacing-md);height:64px}.nav-links{display:none}.logo-section h1{font-size:var(--font-size-lg)}}.role-selection{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:calc(100vh - 200px);padding:var(--spacing-3xl) var(--spacing-xl);background:var(--color-bg)}.role-header{text-align:center;margin-bottom:var(--spacing-2xl);animation:fadeInUp .6s ease-out}.role-header h1{font-size:var(--font-size-4xl);font-weight:800;margin-bottom:var(--spacing-md);color:var(--color-text-primary);background:var(--gradient-dark);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.role-header p{font-size:var(--font-size-lg);color:var(--color-text-muted)}.roles-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-xl);max-width:800px;width:100%}.role-card{background:var(--color-bg);padding:var(--spacing-2xl);border-radius:var(--radius-xl);border:1px solid var(--color-border);text-align:center;transition:all var(--transition-base);animation:fadeInUp .6s ease-out backwards}.role-card:nth-child(1){animation-delay:.1s}.role-card:nth-child(2){animation-delay:.2s}.role-card:hover{border-color:var(--color-accent);box-shadow:var(--shadow-xl);transform:translateY(-8px)}.role-card .role-icon{width:80px;height:80px;background:var(--color-bg-tertiary);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;margin:0 auto var(--spacing-lg);color:var(--color-text-muted)}.role-card h2{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.role-card>p{font-size:var(--font-size-base);color:var(--color-text-secondary);margin-bottom:var(--spacing-xl);line-height:1.6}.role-button.student:hover{background:var(--color-accent-hover);transform:translateY(-2px)}@media(max-width:768px){.role-selection{padding:var(--spacing-2xl) var(--spacing-md);min-height:calc(100vh - 150px)}.role-header h1{font-size:var(--font-size-3xl)}.roles-grid{grid-template-columns:1fr;gap:var(--spacing-lg)}.role-card{padding:var(--spacing-xl)}}.footer{background:var(--color-bg-secondary);border-top:1px solid var(--color-border-light);padding:var(--spacing-3xl) var(--spacing-xl) var(--spacing-xl);margin-top:auto}.footer-container{max-width:1280px;margin:0 auto}.footer-main{display:grid;grid-template-columns:1.5fr 2fr;gap:var(--spacing-3xl);margin-bottom:var(--spacing-2xl)}.footer-brand{max-width:280px}.footer-logo{display:inline-flex;align-items:center;gap:var(--spacing-sm);text-decoration:none;color:var(--color-text-primary);margin-bottom:var(--spacing-md)}.footer-logo-icon{width:32px;height:32px;background:var(--color-accent);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff}.footer-logo span{font-size:var(--font-size-lg);font-weight:700}.footer-tagline{font-size:var(--font-size-sm);color:var(--color-text-muted);line-height:1.6;margin:0}.footer-links-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-xl)}.footer-links-section h4{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--spacing-md)}.footer-links-section a{display:block;font-size:var(--font-size-sm);color:var(--color-text-muted);text-decoration:none;padding:6px 0;transition:color var(--transition-fast)}.footer-links-section a:hover{color:var(--color-text-primary)}.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:var(--spacing-xl);border-top:1px solid var(--color-border-light)}.footer-copyright{font-size:var(--font-size-sm);color:var(--color-text-muted);margin:0}.footer-social{display:flex;gap:var(--spacing-md)}.footer-social a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);color:var(--color-text-muted);transition:all var(--transition-fast)}.footer-social a:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}@media(max-width:768px){.footer{padding:var(--spacing-2xl) var(--spacing-md) var(--spacing-lg)}.footer-main{grid-template-columns:1fr;gap:var(--spacing-2xl)}.footer-brand{max-width:100%;text-align:center}.footer-logo{justify-content:center}.footer-links-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg)}.footer-bottom{flex-direction:column;gap:var(--spacing-md);text-align:center}}@media(max-width:480px){.footer-links-grid{grid-template-columns:1fr;text-align:center}}.auth-page{min-height:100vh;display:flex;flex-direction:column}.auth-container{flex:1;display:flex;align-items:center;justify-content:center;background:var(--color-bg-secondary);padding:var(--spacing-2xl) var(--spacing-lg)}.auth-card{background:var(--color-bg);width:100%;max-width:440px;padding:var(--spacing-2xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:1px solid var(--color-border-light)}.auth-header{text-align:center;margin-bottom:var(--spacing-xl)}.auth-logo{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);text-decoration:none;color:var(--color-text-primary)}.auth-logo-icon{width:40px;height:40px;background:var(--color-accent);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff}.auth-logo span{font-size:var(--font-size-xl);font-weight:700}.auth-card h2{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.auth-subtitle{font-size:var(--font-size-base);color:var(--color-text-muted);margin:0}.auth-role-badge{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:6px 14px;background:var(--color-bg-tertiary);border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);margin-bottom:var(--spacing-md)}.auth-role-badge.student{background:#e0f2fe;color:#0369a1}.auth-role-badge.organizer{background:#fef3c7;color:#92400e}.auth-error{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius-md);color:var(--color-error);font-size:var(--font-size-sm);margin-bottom:var(--spacing-lg)}.auth-error svg{flex-shrink:0}.auth-form{display:flex;flex-direction:column;gap:var(--spacing-md)}.auth-input{width:100%;padding:14px 16px;font-size:var(--font-size-base);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text-primary);transition:all var(--transition-fast)}.auth-input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #11182714}.auth-input::placeholder{color:var(--color-text-muted)}.auth-select{width:100%;padding:14px 16px;font-size:var(--font-size-base);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text-primary);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}.auth-select:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #11182714}.auth-submit{width:100%;padding:14px;margin-top:var(--spacing-sm);background:var(--color-accent);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:600;cursor:pointer;transition:all var(--transition-base)}.auth-submit:hover:not(:disabled){background:var(--color-accent-hover);transform:translateY(-1px)}.auth-submit:disabled{opacity:.7;cursor:not-allowed}.auth-divider{display:flex;align-items:center;gap:var(--spacing-md);margin:var(--spacing-lg) 0;color:var(--color-text-muted);font-size:var(--font-size-sm)}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--color-border)}.auth-footer{text-align:center;margin-top:var(--spacing-xl);font-size:var(--font-size-sm);color:var(--color-text-muted)}.auth-footer a{color:var(--color-accent);font-weight:600;text-decoration:none;transition:color var(--transition-fast)}.auth-footer a:hover{text-decoration:underline}.auth-back-link{display:inline-flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);font-size:var(--font-size-sm);color:var(--color-text-muted);text-decoration:none;transition:color var(--transition-fast)}.auth-back-link:hover{color:var(--color-text-primary)}@media(max-width:480px){.auth-container{padding:var(--spacing-lg) var(--spacing-md)}.auth-card{padding:var(--spacing-xl) var(--spacing-lg)}.auth-card h2{font-size:var(--font-size-xl)}}.event-card{background:var(--color-bg);border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--color-border-light);transition:all var(--transition-base);cursor:pointer}.event-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px);border-color:var(--color-border)}.event-card-header{position:relative;height:140px;background:var(--color-bg-tertiary);display:flex;align-items:center;justify-content:center}.event-card-icon{width:64px;height:64px;background:var(--color-bg);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);box-shadow:var(--shadow-sm)}.featured-badge{position:absolute;top:var(--spacing-md);left:50%;transform:translate(-50%);background:var(--color-success);color:#fff;padding:4px 12px;border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600}.event-card-content{padding:var(--spacing-lg)}.event-type-badge{display:inline-block;padding:4px 10px;border-radius:var(--radius-sm);font-size:var(--font-size-xs);font-weight:500;margin-bottom:var(--spacing-md)}.event-type-badge.conference{background:var(--color-conference);color:var(--color-conference-text);border:1px solid var(--color-border)}.event-type-badge.workshop{background:var(--color-workshop);color:var(--color-workshop-text);border:1px solid transparent}.event-type-badge.corporate{background:var(--color-corporate);color:var(--color-corporate-text);border:1px solid transparent}.event-card-title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--spacing-md);line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.event-card-meta{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.event-card-capacity{padding-top:var(--spacing-md);border-top:1px solid var(--color-border-light)}.capacity-fill.high{background:var(--color-warning)}.capacity-fill.full{background:var(--color-error)}.search-box input{width:100%;height:44px;padding:0 var(--spacing-md) 0 44px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm);background:var(--color-bg);transition:all var(--transition-fast)}.search-box input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #11182714}.search-box input::placeholder{color:var(--color-text-muted)}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--color-text-muted);pointer-events:none}.filter-dropdown{height:44px;padding:0 var(--spacing-xl) 0 var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm);color:var(--color-text-primary);background:var(--color-bg);cursor:pointer;min-width:160px;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;transition:all var(--transition-fast)}.filter-dropdown:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #11182714}.events-main{background:var(--color-bg);min-height:calc(100vh - 200px)}.events-grid{max-width:1280px;margin:0 auto;padding:var(--spacing-xl);display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg)}.events-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-3xl);color:var(--color-text-muted)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:var(--spacing-md)}.events-loading p{font-size:var(--font-size-sm);margin:0}.events-error{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-3xl);color:var(--color-error);text-align:center}.events-error svg{margin-bottom:var(--spacing-md);opacity:.7}.events-error p{font-size:var(--font-size-base);color:var(--color-error);margin:0}.events-empty{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-3xl);text-align:center}.events-empty svg{color:var(--color-text-muted);margin-bottom:var(--spacing-lg);opacity:.5}.events-empty h3{font-size:var(--font-size-xl);font-weight:600;margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.events-empty p{font-size:var(--font-size-base);color:var(--color-text-muted);margin:0}@media(max-width:1024px){.events-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.filters{padding:var(--spacing-md)}.filters-inner{flex-direction:column;gap:var(--spacing-sm)}.search-box{max-width:100%}.filter-dropdown{width:100%}.events-grid{grid-template-columns:1fr;padding:var(--spacing-md)}}.create-event-page{flex:1;background:var(--color-bg-secondary);min-height:100vh}.create-event-hero{background:var(--gradient-dark);padding:var(--spacing-3xl) 0;color:#fff}.create-event-hero .container{text-align:center}.create-event-hero h1{font-size:var(--font-size-4xl);font-weight:800;margin-bottom:var(--spacing-sm);color:#fff;animation:fadeInUp .6s ease-out}.create-event-hero p{font-size:var(--font-size-lg);color:#ffffffb3;animation:fadeInUp .6s ease-out .1s backwards}.create-event-content{padding:var(--spacing-3xl) 0;margin-top:calc(-1 * var(--spacing-xl))}.event-form-card{background:var(--color-bg);border-radius:var(--radius-xl);border:1px solid var(--color-border);box-shadow:var(--shadow-lg);overflow:hidden;max-width:900px;margin:0 auto;animation:fadeInUp .6s ease-out .2s backwards}.form-card-header{padding:var(--spacing-xl) var(--spacing-2xl);border-bottom:1px solid var(--color-border);display:flex;align-items:center;gap:var(--spacing-md)}.form-card-header-icon{width:48px;height:48px;background:var(--color-bg-tertiary);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:var(--color-accent)}.form-card-header h2{font-size:var(--font-size-xl);font-weight:700;color:var(--color-text-primary);margin:0}.form-card-header p{font-size:var(--font-size-sm);color:var(--color-text-muted);margin:0}.form-card-body{padding:var(--spacing-2xl)}.form-section{margin-bottom:var(--spacing-xl)}.form-section-title{font-size:var(--font-size-base);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm)}.form-section-title svg{color:var(--color-text-muted)}.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.form-group.full-width{grid-column:span 2}.form-group label{font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary)}.form-group label .required{color:var(--color-error);margin-left:2px}.form-control{width:100%;padding:12px 16px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-family:var(--font-family);color:var(--color-text-primary);background:var(--color-bg);transition:all var(--transition-fast)}.form-control:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #1118271a}.form-control::placeholder{color:var(--color-text-muted)}textarea.form-control{min-height:120px;resize:vertical}select.form-control{cursor:pointer}.upload-box{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:180px;border:2px dashed var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-secondary);cursor:pointer;transition:all var(--transition-base);overflow:hidden}.upload-box:hover{border-color:var(--color-accent);background:var(--color-bg-tertiary)}.upload-placeholder{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);color:var(--color-text-muted);padding:var(--spacing-xl)}.upload-placeholder svg{color:var(--color-text-muted)}.upload-placeholder span{font-size:var(--font-size-sm)}.upload-preview{width:100%;height:180px;object-fit:cover}.form-card-footer{padding:var(--spacing-xl) var(--spacing-2xl);background:var(--color-bg-secondary);border-top:1px solid var(--color-border);display:flex;justify-content:flex-end;gap:var(--spacing-md)}.btn-cancel{padding:12px 24px;border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:500;background:transparent;color:var(--color-text-secondary);border:1px solid var(--color-border);cursor:pointer;transition:all var(--transition-fast)}.btn-cancel:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}.btn-create{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:12px 28px;border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:600;background:var(--color-accent);color:#fff;border:none;cursor:pointer;transition:all var(--transition-base)}.btn-create:hover{background:var(--color-accent-hover);transform:translateY(-1px)}.btn-create:disabled{opacity:.6;cursor:not-allowed;transform:none}.error-message{background:#fee2e2;color:#dc2626;padding:var(--spacing-md);border-radius:var(--radius-md);font-size:var(--font-size-sm);margin-bottom:var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-sm)}@media(max-width:768px){.create-event-hero{padding:var(--spacing-2xl) 0}.create-event-hero h1{font-size:var(--font-size-3xl)}.form-row{grid-template-columns:1fr}.form-group.full-width{grid-column:span 1}.form-card-body,.form-card-header,.form-card-footer{padding:var(--spacing-lg)}}.contact-page{min-height:100vh;display:flex;flex-direction:column}.contact-hero{background:var(--color-bg);padding:var(--spacing-3xl) var(--spacing-xl);text-align:center;border-bottom:1px solid var(--color-border-light)}.contact-hero-content{max-width:600px;margin:0 auto}.contact-badge{display:inline-block;padding:6px 16px;background:var(--color-bg-tertiary);border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);margin-bottom:var(--spacing-lg)}.contact-hero h1{font-size:var(--font-size-4xl);font-weight:800;margin-bottom:var(--spacing-md);color:var(--color-text-primary)}.contact-hero p{font-size:var(--font-size-lg);color:var(--color-text-muted);margin:0}.contact-container{max-width:1200px;margin:0 auto;padding:var(--spacing-3xl) var(--spacing-xl);display:grid;grid-template-columns:1fr 1.2fr;gap:var(--spacing-3xl);flex:1}.contact-info h2,.contact-form-wrapper h2{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.contact-info-subtitle,.contact-form-subtitle{font-size:var(--font-size-base);color:var(--color-text-muted);margin-bottom:var(--spacing-xl)}.contact-cards{display:flex;flex-direction:column;gap:var(--spacing-md)}.contact-card{display:flex;gap:var(--spacing-md);padding:var(--spacing-lg);background:var(--color-bg);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);transition:all var(--transition-base)}.contact-card:hover{border-color:var(--color-border);box-shadow:var(--shadow-md)}.contact-icon{width:48px;height:48px;background:var(--color-bg-tertiary);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--color-text-primary)}.contact-card-content h3{font-size:var(--font-size-base);font-weight:600;margin-bottom:4px;color:var(--color-text-primary)}.contact-card-content p{font-size:var(--font-size-sm);color:var(--color-text-muted);margin:0}.contact-form-wrapper{background:var(--color-bg);padding:var(--spacing-xl);border:1px solid var(--color-border-light);border-radius:var(--radius-xl)}.contact-form{display:flex;flex-direction:column;gap:var(--spacing-md)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md)}.form-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-group label{font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-primary)}.contact-input,.contact-textarea{width:100%;padding:14px 16px;font-size:var(--font-size-base);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-family);transition:all var(--transition-fast)}.contact-input:focus,.contact-textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px 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var(--transition-base)}.certificate-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.certificate-image{height:160px;background:var(--color-bg-tertiary);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:3rem}.certificate-content{padding:var(--spacing-lg)}.certificate-title{font-size:var(--font-size-lg);font-weight:600;margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.certificate-info{color:var(--color-text-muted);margin-bottom:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-sm)}.cta-section{padding:var(--spacing-3xl) var(--spacing-xl);background:var(--color-bg-secondary);text-align:center;border-top:1px solid var(--color-border-light)}.cta-section h2{font-size:var(--font-size-2xl);font-weight:700;margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.cta-section p{font-size:var(--font-size-base);color:var(--color-text-muted);max-width:600px;margin:0 auto var(--spacing-xl)}@media(max-width:1024px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.achievements-hero{padding:var(--spacing-2xl) var(--spacing-md)}.achievements-hero h1{font-size:var(--font-size-3xl)}.achievements-container{padding:0 var(--spacing-md)}.stats-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-md)}.achievements-grid,.certificates-grid{grid-template-columns:1fr}.section-title h2{font-size:var(--font-size-xl)}.hero-actions{flex-direction:column;align-items:center}}.event-display-page{min-height:100vh;display:flex;flex-direction:column;background:var(--color-bg)}.event-display-container{flex:1;max-width:1200px;margin:0 auto;padding:var(--spacing-xl);width:100%}.back-btn{display:inline-flex;align-items:center;gap:var(--spacing-sm);background:var(--color-bg);border:1px solid var(--color-border);padding:10px 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p{font-size:var(--font-size-base);color:var(--color-text-muted);margin-bottom:var(--spacing-xl)}.cta-content .btn-primary{padding:14px 32px;font-size:var(--font-size-base)}@media(max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.enterprise-hero{padding:var(--spacing-2xl) var(--spacing-md)}.enterprise-hero h1{font-size:var(--font-size-3xl)}.enterprise-cta{flex-direction:column;align-items:center}.enterprise-cta .btn-primary,.enterprise-cta .btn-secondary{width:100%;max-width:300px}.features-grid{grid-template-columns:1fr}.enterprise-features{padding:var(--spacing-2xl) var(--spacing-md)}}.pricing-page{min-height:100vh;display:flex;flex-direction:column}.pricing-hero{background:var(--color-bg);padding:var(--spacing-3xl) var(--spacing-xl);text-align:center;border-bottom:1px solid var(--color-border-light)}.pricing-hero-content{max-width:600px;margin:0 auto}.pricing-badge{display:inline-block;padding:6px 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var(--transition-base)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:12px 24px;background-color:var(--color-accent);color:#fff;border-radius:var(--radius-md);font-weight:600;font-size:var(--font-size-sm)}.btn-primary:hover{background-color:var(--color-accent-hover);transform:translateY(-1px)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:12px 24px;background-color:transparent;color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--radius-md);font-weight:500;font-size:var(--font-size-sm)}.btn-secondary:hover{background-color:var(--color-bg-secondary);border-color:var(--color-text-muted)}input,select,textarea{font-family:var(--font-family);font-size:var(--font-size-sm);color:var(--color-text-primary);background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:12px 16px;transition:all var(--transition-fast)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #1118271a}input::placeholder{color:var(--color-text-muted)}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--spacing-lg)}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:500}.badge-live{background-color:var(--color-success-light);color:var(--color-success)}.badge-featured{background-color:var(--color-success);color:#fff}.badge-conference{background-color:var(--color-conference);color:var(--color-conference-text);border:1px solid var(--color-border)}.badge-workshop{background-color:var(--color-workshop);color:var(--color-workshop-text)}.badge-corporate{background-color:var(--color-corporate);color:var(--color-corporate-text)}@media(max-width:768px){:root{--font-size-5xl: 2.25rem;--font-size-4xl: 1.875rem;--font-size-3xl: 1.5rem}.container{padding:0 var(--spacing-md)}}.main-header{background:var(--color-bg);color:var(--color-text-primary);padding:0 var(--spacing-xl);height:72px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--color-border-light)}.logo-section a{display:flex;align-items:center;gap:var(--spacing-sm);text-decoration:none;color:var(--color-text-primary)}.logo-icon{width:36px;height:36px;background:var(--color-accent);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;font-size:var(--font-size-lg)}.logo-section h1{font-size:var(--font-size-xl);font-weight:700;margin:0;letter-spacing:-.02em}.nav-container{display:flex;align-items:center;gap:var(--spacing-xl)}.nav-links{display:flex;list-style:none;gap:var(--spacing-lg);margin:0;padding:0;align-items:center}.nav-links a{color:var(--color-text-secondary);text-decoration:none;font-weight:500;font-size:var(--font-size-sm);transition:color var(--transition-fast);display:flex;align-items:center;gap:4px}.nav-links a:hover{color:var(--color-text-primary)}.nav-links a svg{width:12px;height:12px}.nav-actions{display:flex;align-items:center;gap:var(--spacing-md)}.nav-icon-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);color:var(--color-text-secondary);transition:all var(--transition-fast)}.nav-icon-btn:hover{background:var(--color-bg-secondary);color:var(--color-text-primary)}.nav-login{color:var(--color-text-secondary);font-weight:500;font-size:var(--font-size-sm);padding:8px 16px;transition:color var(--transition-fast)}.nav-login:hover{color:var(--color-text-primary)}.nav-cta{background:var(--color-accent);color:#fff;padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:var(--font-size-sm);transition:all var(--transition-fast)}.nav-cta:hover{background:var(--color-accent-hover);transform:translateY(-1px)}.hero-actions{display:flex;gap:var(--spacing-md)}.preview-card{background:var(--color-bg);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);padding:var(--spacing-lg);border:1px solid var(--color-border-light)}.filters{width:100%;background:var(--color-bg);padding:var(--spacing-lg) var(--spacing-xl);border-bottom:1px solid var(--color-border-light)}.filters-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:var(--spacing-md)}.search-box{position:relative;flex:1;max-width:400px}.search-box input{width:100%;height:44px;padding:0 var(--spacing-md) 0 44px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm);background:var(--color-bg)}.search-box input:focus{outline:none;border-color:var(--color-accent)}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--color-text-muted);font-size:14px}.filter-dropdown{height:44px;padding:0 var(--spacing-lg) 0 var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm);color:var(--color-text-primary);background:var(--color-bg);cursor:pointer;min-width:160px;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}.filter-dropdown:focus{outline:none;border-color:var(--color-accent)}.grid{width:100%;max-width:1280px;margin:0 auto;padding:var(--spacing-xl);display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg)}@media(max-width:1024px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.grid{grid-template-columns:1fr}}.card{background:var(--color-bg);border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--color-border-light);transition:all var(--transition-base);cursor:pointer}.card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px)}.card-header{position:relative;height:140px;background:var(--color-bg-tertiary);display:flex;align-items:center;justify-content:center}.card-icon{width:64px;height:64px;background:var(--color-bg);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:24px;box-shadow:var(--shadow-sm)}.card-featured{position:absolute;top:var(--spacing-md);left:50%;transform:translate(-50%);background:var(--color-success);color:#fff;padding:4px 12px;border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:600}.card-content{padding:var(--spacing-lg)}.card-type{display:inline-block;padding:4px 10px;border-radius:var(--radius-sm);font-size:var(--font-size-xs);font-weight:500;margin-bottom:var(--spacing-md);border:1px solid}.card-type.conference{background:var(--color-conference);color:var(--color-conference-text);border-color:var(--color-border)}.card-type.workshop{background:var(--color-workshop);color:var(--color-workshop-text);border-color:transparent}.card-type.corporate{background:var(--color-corporate);color:var(--color-corporate-text);border-color:transparent}.card-title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--spacing-md);line-height:1.3}.card-meta{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.card-meta-item{display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--color-text-secondary)}.card-meta-item svg,.card-meta-item i{width:16px;color:var(--color-text-muted)}.card-capacity{margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--color-border-light)}.capacity-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-sm)}.capacity-label{font-size:var(--font-size-xs);color:var(--color-text-muted)}.capacity-percent{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary)}.capacity-bar{height:6px;background:var(--color-bg-tertiary);border-radius:var(--radius-full);overflow:hidden}.capacity-fill{height:100%;background:var(--color-accent);border-radius:var(--radius-full);transition:width var(--transition-slow)}.role-selection{max-width:1280px;margin:var(--spacing-3xl) auto;padding:0 var(--spacing-xl);text-align:center}.role-header h1{font-size:var(--font-size-4xl);font-weight:800;margin-bottom:var(--spacing-md)}.role-header p{font-size:var(--font-size-lg);color:var(--color-text-secondary);margin-bottom:var(--spacing-2xl)}.roles-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--spacing-xl)}.role-card{background:var(--color-bg);padding:var(--spacing-2xl) var(--spacing-xl);border-radius:var(--radius-xl);border:1px solid var(--color-border);transition:all var(--transition-base)}.role-card:hover{border-color:var(--color-accent);box-shadow:var(--shadow-lg);transform:translateY(-4px)}.role-card h2{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-sm)}.role-card p{font-size:var(--font-size-base);color:var(--color-text-secondary);margin-bottom:var(--spacing-xl)}.role-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);width:100%;max-width:280px;padding:16px 32px;border-radius:var(--radius-md);border:none;font-size:var(--font-size-base);font-weight:600;cursor:pointer;transition:all var(--transition-base)}.role-button.student{background:var(--color-accent);color:#fff}.role-button.student:hover{background:var(--color-accent-hover)}.role-button.organizer{background:var(--color-bg-tertiary);color:var(--color-text-primary);border:1px solid var(--color-border)}.role-button.organizer:hover{background:var(--color-bg-secondary);border-color:var(--color-accent)}footer{background:var(--color-bg-secondary);padding:var(--spacing-2xl) var(--spacing-xl);border-top:1px solid var(--color-border-light);margin-top:auto}.footer-content{max-width:1280px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.footer-logo{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text-primary)}.footer-links{display:flex;gap:var(--spacing-lg)}.footer-links a{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.footer-links a:hover{color:var(--color-text-primary)}.user-profile-section{position:relative}.profile-trigger{display:flex;align-items:center;gap:var(--spacing-sm);padding:6px 12px;border-radius:var(--radius-full);cursor:pointer;transition:background var(--transition-fast)}.profile-trigger:hover{background:var(--color-bg-secondary)}.profile-icon{width:36px;height:36px;background:var(--color-accent);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-sm);font-weight:600;color:#fff}.profile-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--color-bg);min-width:220px;border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);border:1px solid var(--color-border-light);overflow:hidden;animation:fadeIn .2s ease;z-index:1001}@keyframes fadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.dropdown-header{padding:var(--spacing-md);background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border-light)}.user-name{display:block;font-weight:600;color:var(--color-text-primary);font-size:var(--font-size-sm)}.user-role{display:block;font-size:var(--font-size-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:2px}.dropdown-items{padding:var(--spacing-sm) 0}.dropdown-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm);color:var(--color-text-secondary);text-decoration:none;transition:all var(--transition-fast);width:100%;border:none;background:none;cursor:pointer;text-align:left}.dropdown-item:hover{background:var(--color-bg-secondary);color:var(--color-text-primary)}.dropdown-item.logout-item{color:var(--color-error);border-top:1px solid var(--color-border-light);margin-top:var(--spacing-sm);padding-top:var(--spacing-md)}.dropdown-item.logout-item:hover{background:#fef2f2}.auth-nav-buttons{display:flex;align-items:center;gap:var(--spacing-md)}.btn-login{color:var(--color-text-secondary);font-weight:500;font-size:var(--font-size-sm);padding:8px 16px}.btn-login:hover{color:var(--color-text-primary)}.btn-signup{background:var(--color-accent);color:#fff;padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:var(--font-size-sm)}.btn-signup:hover{background:var(--color-accent-hover)}@media(max-width:1024px){.hero-actions{justify-content:center}}@media(max-width:768px){.main-header{padding:0 var(--spacing-md);height:64px}.nav-links{display:none}.filters{padding:var(--spacing-md)}.filters-inner{flex-direction:column;gap:var(--spacing-sm)}.search-box{max-width:100%}.filter-dropdown{width:100%}.grid{padding:var(--spacing-md)}}