#event-details-container{color:#333;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;margin:0 auto;max-width:900px;padding:40px 20px}.loading-spinner{animation:spin 1s linear infinite;border:4px solid #f3f3f3;border-radius:50%;border-top-color:#fed27a;height:40px;margin:0 auto 20px;width:40px}.event-highlights-header{align-items:stretch;background:#fff;border:2px solid #fed27a;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.05);display:flex;gap:30px;margin-bottom:40px;padding:30px}.highlights-calendar-tile{align-items:center;background:linear-gradient(135deg,#fed27a,#fdc657);border-radius:8px;box-shadow:0 2px 8px hsla(40,99%,74%,.3);display:flex;flex-direction:column;justify-content:center;min-width:100px;padding:15px 20px;text-align:center}.calendar-day{color:#fff;font-size:3rem;font-weight:700;line-height:1;margin-bottom:5px}.calendar-month{color:#fff;font-size:1rem;font-weight:600;letter-spacing:1px;text-transform:uppercase}.highlights-details{display:flex;flex:1;flex-direction:column;gap:12px;justify-content:center;padding:0 10px}.highlight-item{align-items:center;display:flex;gap:10px}.highlight-title{font-weight:600}.highlight-icon{flex-shrink:0;font-size:1.2rem}.highlight-text{color:#2d2d2d;font-size:1rem;line-height:1.4}.highlight-title .highlight-text{font-size:1.3rem;font-weight:600}.highlights-action{align-items:center;border-left:2px solid #f0f0f0;display:flex;padding-left:20px}.highlights-btn{font-size:1.1rem;font-weight:700;min-width:140px;padding:15px 40px;white-space:nowrap}@media (max-width:768px){.event-highlights-header{flex-direction:column;gap:20px}.highlights-calendar-tile{flex-direction:row;gap:15px;justify-content:center;padding:20px;width:100%}.calendar-day{font-size:2.5rem}.calendar-month{font-size:1.2rem;padding-top:8px}.highlights-action{border-left:none;border-top:2px solid #f0f0f0;justify-content:center;padding-left:0;padding-top:20px}.highlights-btn{width:100%}}.event-title{color:#2d2d2d;font-size:2.5rem;font-weight:700;line-height:1.2;margin:0 0 20px;text-align:center}.event-language{border-bottom:2px solid #e0e0e0;color:#666;font-size:1rem;margin-bottom:40px;padding-bottom:20px;text-align:center}.description-section{background:#f9f9f9;border-radius:8px;margin-bottom:30px;padding:20px}.section-heading{color:#2d2d2d;font-size:1.5rem;font-weight:600;margin:0 0 15px}.description-text{color:#555;font-size:1rem;line-height:1.7}.event-details-block{background:#fff;border:2px solid #fed27a;border-radius:8px;margin:40px 0;padding:30px}.details-grid{display:grid;gap:20px;margin-top:20px}.detail-item{background:#fafafa;border-radius:6px;display:flex;flex-direction:column;padding:15px}.detail-label{color:#2d2d2d;font-size:.9rem;font-weight:600;letter-spacing:.5px;margin-bottom:5px;text-transform:uppercase}.detail-value{color:#555;font-size:1.1rem}.detail-value a{color:#fed27a;font-weight:500;text-decoration:none}.detail-value a:hover{text-decoration:underline}.signup-button-container{margin:50px 0;text-align:center}.signup-button{background:#fed27a;border-radius:50px;box-shadow:0 4px 15px hsla(40,99%,74%,.3);color:#2d2d2d;display:inline-block;font-size:1.3rem;font-weight:700;padding:18px 60px;text-decoration:none;transition:all .3s ease}.signup-button:hover{background:#fdc657;box-shadow:0 6px 20px hsla(40,99%,74%,.4);transform:translateY(-2px)}.organizer-section{border-top:2px solid #e0e0e0;margin-top:60px;padding-top:40px}.organizer-header{margin-bottom:15px;text-align:center}.organizer-name{color:#2d2d2d;font-size:1.5rem;font-weight:600;margin:0 0 5px}.organizer-position{color:#666;font-size:1rem;font-style:italic;margin:0}.organizer-content{align-items:start;display:grid;gap:30px;grid-template-columns:180px 1fr}.organizer-image{align-self:start;margin-top:-20px;text-align:center}.organizer-image img{border:3px solid #fed27a;border-radius:50%;height:150px;object-fit:cover;width:150px}.organizer-bio{color:#666;font-size:1rem;line-height:1.7;margin:0}.back-to-calendar-container{border-top:2px solid #e0e0e0;margin:60px 0 40px;padding-top:40px;text-align:center}.back-to-calendar-container .btn{display:inline-block;padding:14px 40px;text-decoration:none}.error-message{background:#ffe6e6;border-radius:8px;color:#d9534f;font-size:1.1rem;padding:30px;text-align:center}.signup-modal-overlay{align-items:center;bottom:0;display:flex;justify-content:center;left:0;padding:20px;position:fixed;right:0;top:0;z-index:9999}.signup-modal-backdrop{backdrop-filter:blur(4px);background:rgba(0,0,0,.6);bottom:0;left:0;position:absolute;right:0;top:0}.signup-modal{animation:modalSlideIn .3s ease-out;background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.3);max-width:480px;padding:40px;position:relative;width:100%}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-close{align-items:center;background:transparent;border:none;border-radius:4px;color:#999;cursor:pointer;display:flex;font-size:28px;height:32px;justify-content:center;position:absolute;right:16px;top:16px;transition:all .2s;width:32px}.modal-close:hover{background:#f0f0f0;color:#333}.modal-title{color:#2d2d2d;font-size:1.75rem;font-weight:600;margin:0 0 8px}.modal-subtitle{color:#666;font-size:.95rem;margin:0 0 30px}.signup-form{gap:20px}.form-group,.signup-form{display:flex;flex-direction:column}.form-group{gap:8px}.form-group label{color:#333;font-size:.9rem;font-weight:600}.form-group .required{color:#d9534f}.form-group input{border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;outline:none;padding:12px 16px;transition:all .2s}.form-group input:focus{border-color:#fed27a;box-shadow:0 0 0 3px hsla(40,99%,74%,.1)}.form-group input:invalid:not(:placeholder-shown){border-color:#d9534f}.signup-message{animation:messageSlideIn .3s ease-out;border-radius:8px;font-size:.95rem;font-weight:500;padding:12px 16px;text-align:center}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.signup-message.success{background:#e6ffe6;border:1px solid #b3e6b3;color:#2d7a2d}.signup-message.error{background:#ffe6e6;border:1px solid #ffb3b3;color:#d9534f}.modal-actions{display:flex;gap:12px;margin-top:10px}.btn{align-items:center;border:none;border-radius:8px;cursor:pointer;display:flex;flex:1;font-size:1rem;font-weight:600;gap:8px;justify-content:center;padding:14px 24px;transition:all .2s}.btn:disabled{cursor:not-allowed;opacity:.6}.btn-primary{background:#fed27a;color:#333}.btn-primary:hover:not(:disabled){background:#fdc657;box-shadow:0 4px 12px hsla(40,99%,74%,.3);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:#f0f0f0;color:#666}.btn-secondary:hover:not(:disabled){background:#e0e0e0;color:#333}.spinner{animation:spin .6s linear infinite;border:2px solid rgba(0,0,0,.1);border-radius:50%;border-top-color:#333;display:inline-block;height:14px;width:14px}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:768px){#event-details-container{padding:20px 15px}.event-title{font-size:2rem}.organizer-content{grid-template-columns:1fr;text-align:center}.organizer-image{margin-bottom:20px}.signup-button{font-size:1.1rem;padding:15px 40px}.signup-modal{padding:30px 24px}.modal-title{font-size:1.5rem}.modal-actions{flex-direction:column-reverse}.btn{width:100%}}