/* Estilos extras para funcionalidades avançadas */

/* Página de Palestrantes */
.hero-simple {
    background: linear-gradient(135deg, #fff9f3 0%, #91c9cd 100%);
    padding: 120px 0 4rem;
    text-align: center;
    color: #3a8197;
}

.hero-simple .hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #3a8197, #91c9cd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-simple .hero-subtitle {
    font-size: 1.3rem;
    color: #3a8197;
    opacity: 0.9;
}

/* Search Section */
.search-section {
    padding: 3rem 0;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
}

.search-box {
    position: relative;
    max-width: 600px;
    margin: 0 auto 2rem;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #91c9cd;
    font-size: 1.1rem;
}

.search-box input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #f0f0f0;
    border-radius: 50px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fff;
}

.search-box input:focus {
    outline: none;
    border-color: #91c9cd;
    box-shadow: 0 0 0 3px rgba(145, 201, 205, 0.1);
}

/* Filter Tags */
.filter-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-tag {
    padding: 0.5rem 1rem;
    border: 2px solid #f0f0f0;
    border-radius: 25px;
    background: #fff;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.filter-tag:hover,
.filter-tag.active {
    border-color: #91c9cd;
    background: #91c9cd;
    color: #fff;
}

/* Speakers Stats */
.speakers-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #3a8197, #91c9cd);
    border-radius: 20px;
    color: #fff;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #fff9f3;
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* Speakers Page Grid */
.speakers-page {
    padding: 4rem 0;
    background: #fff9f3;
}

.speakers-grid.speakers-page .speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Speaker Card Detailed */
.speaker-card-detailed {
    background: #fff;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.speaker-card-detailed.visible {
    opacity: 1;
    transform: translateY(0);
}

.speaker-info-detailed {
    text-align: center;
}

.speaker-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f0f0f0;
}

.speaker-name-large {
    font-size: 1.8rem;
    font-weight: 700;
    color: #3a8197;
    margin-bottom: 0.5rem;
}

.speaker-role-large {
    font-size: 1.2rem;
    color: #91c9cd;
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.speaker-company-large {
    color: #666;
    font-style: italic;
}

.speaker-bio-detailed {
    margin-bottom: 1.5rem;
    text-align: left;
    line-height: 1.6;
    color: #555;
}

.speaker-expertise-detailed h4,
.speaker-talks-list h4 {
    color: #3a8197;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    text-align: left;
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.expertise-tag-large {
    background: linear-gradient(135deg, #91c9cd, #3a8197);
    color: #fff;
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.speaker-talks-list {
    margin-bottom: 1.5rem;
    text-align: left;
}

.speaker-talks-list ul {
    list-style: none;
    padding: 0;
}

.speaker-talks-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f0f0f0;
    color: #555;
}

.speaker-talks-list li:last-child {
    border-bottom: none;
}

.speaker-social-detailed {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.social-btn.linkedin {
    background: #0077b5;
    color: #fff;
}

.social-btn.twitter {
    background: #1da1f2;
    color: #fff;
}

.social-btn.github {
    background: #333;
    color: #fff;
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.speaker-actions {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
}

.btn-sm {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

/* Results Counter */
.results-counter {
    text-align: center;
    color: #666;
    font-style: italic;
    margin-top: 1rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #3a8197, #91c9cd);
    padding: 4rem 0;
    text-align: center;
    color: #fff;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #fff9f3;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-secondary {
    background: transparent;
    border: 2px solid #fff9f3;
    color: #fff9f3;
}

.btn-secondary:hover {
    background: #fff9f3;
    color: #3a8197;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: #fff;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #fff9f3;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #91c9cd;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #91c9cd;
    border-radius: 50%;
    color: #fff;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #3a8197;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
}

/* Página de Palestras */
.hero-talks {
    background: linear-gradient(135deg, #3a8197 0%, #91c9cd 100%);
    padding: 8rem 0 4rem;
    text-align: center;
    color: #fff;
}

.hero-talks .hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #fff9f3;
}

.hero-talks .hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

.hero-stats .stat-item {
    text-align: center;
}

.hero-stats .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff9f3;
}

.hero-stats .stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Schedule Overview */
.schedule-overview {
    padding: 3rem 0;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
}

.schedule-blocks-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.block-nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: 2px solid #f0f0f0;
    border-radius: 50px;
    background: #fff;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: 500;
}

.block-nav-btn:hover,
.block-nav-btn.active {
    border-color: #91c9cd;
    background: #91c9cd;
    color: #fff;
    transform: translateY(-2px);
}

/* Talks Filters */
.talks-filters {
    padding: 3rem 0;
    background: #fff9f3;
}

.search-container {
    margin-bottom: 2rem;
}

.filter-categories h3 {
    color: #3a8197;
    margin-bottom: 1rem;
    text-align: center;
}

.category-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.category-tag {
    padding: 0.5rem 1rem;
    border: 2px solid #f0f0f0;
    border-radius: 25px;
    background: #fff;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.category-tag:hover,
.category-tag.active {
    border-color: #3a8197;
    background: #3a8197;
    color: #fff;
}

/* Talks Page */
.talks-page {
    padding: 4rem 0;
    background: #fff;
}

.talks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

/* Talk Card Detailed */
.talk-card-detailed {
    background: #fff;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    border-left: 5px solid #91c9cd;
}

.talk-card-detailed.visible {
    opacity: 1;
    transform: translateY(0);
}

.talk-header-detailed {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.talk-time-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
}

.talk-time-badge.morning {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.talk-time-badge.afternoon {
    background: linear-gradient(135deg, #8e44ad, #9b59b6);
}

.talk-block-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.talk-block-badge.morning {
    background: rgba(243, 156, 18, 0.1);
    color: #e67e22;
}

.talk-block-badge.afternoon {
    background: rgba(142, 68, 173, 0.1);
    color: #8e44ad;
}

.talk-content-detailed {
    margin-bottom: 1.5rem;
}

.talk-title-detailed {
    font-size: 1.4rem;
    font-weight: 700;
    color: #3a8197;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.talk-speaker-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: #91c9cd;
    font-weight: 600;
}

.talk-description-detailed {
    color: #555;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.talk-tags-detailed {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag-detailed {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #fff;
}

/* Tag Colors */
.tag-ai { background: linear-gradient(135deg, #e74c3c, #c0392b); }
.tag-dev { background: linear-gradient(135deg, #3498db, #2980b9); }
.tag-security { background: linear-gradient(135deg, #e67e22, #d35400); }
.tag-devops { background: linear-gradient(135deg, #27ae60, #229954); }
.tag-cloud { background: linear-gradient(135deg, #3498db, #85c1e9); }
.tag-data { background: linear-gradient(135deg, #9b59b6, #8e44ad); }
.tag-design { background: linear-gradient(135deg, #e91e63, #ad1457); }
.tag-blockchain { background: linear-gradient(135deg, #f39c12, #e67e22); }
.tag-mobile { background: linear-gradient(135deg, #16a085, #138d75); }
.tag-iot { background: linear-gradient(135deg, #34495e, #2c3e50); }
.tag-leadership { background: linear-gradient(135deg, #8e44ad, #6c3483); }
.tag-career { background: linear-gradient(135deg, #2ecc71, #27ae60); }
.tag-default { background: linear-gradient(135deg, #95a5a6, #7f8c8d); }

.talk-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: #f8f9fa;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: #91c9cd;
    color: #fff;
    transform: translateY(-2px);
}

/* No Results */
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: #666;
}

.no-results i {
    font-size: 4rem;
    color: #91c9cd;
    margin-bottom: 1rem;
}

.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #3a8197;
}

/* Schedule Timeline */
.schedule-timeline {
    padding: 4rem 0;
    background: #fff9f3;
}

.schedule-timeline h2 {
    text-align: center;
    color: #3a8197;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.timeline-container {
    max-width: 800px;
    margin: 0 auto;
}

.timeline-block {
    margin-bottom: 3rem;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.timeline-header {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
}

.timeline-header.morning {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.timeline-header.afternoon {
    background: linear-gradient(135deg, #8e44ad, #9b59b6);
}

.timeline-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.block-time {
    font-size: 1.1rem;
    font-weight: 600;
}

.timeline-talks {
    padding: 0;
}

.timeline-talk {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.timeline-talk:hover {
    background: #fff9f3;
}

.timeline-talk:last-child {
    border-bottom: none;
}

.timeline-time {
    flex-shrink: 0;
    width: 80px;
    font-weight: 600;
    color: #3a8197;
}

.timeline-content {
    flex: 1;
    margin-left: 1rem;
}

.timeline-content h4 {
    margin: 0 0 0.3rem 0;
    color: #333;
    font-size: 1rem;
}

.timeline-speaker {
    color: #666;
    font-size: 0.9rem;
}

.timeline-break {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
}

.break-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: #fff;
    border-radius: 50px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    color: #3a8197;
}

.break-info i {
    font-size: 1.5rem;
    color: #91c9cd;
}

.break-info h4 {
    margin: 0;
    color: #3a8197;
}

.break-info span {
    color: #666;
    font-size: 0.9rem;
}

/* Talks Counter */
.talks-counter {
    text-align: center;
    color: #666;
    font-style: italic;
    margin-top: 1rem;
}

/* Notification */
.notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #27ae60;
    color: #fff;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.notification.show {
    transform: translateX(0);
}

/* Placeholder Talks Styles */
.placeholder-talk {
    border-left: 5px solid #f39c12;
    background: linear-gradient(135deg, #fff9f3, #fef9e7);
}

.placeholder-talk .talk-title {
    color: #e67e22;
    font-style: italic;
}

.placeholder-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem;
    background: rgba(243, 156, 18, 0.1);
    border-radius: 10px;
    color: #e67e22;
    font-size: 0.9rem;
    margin-top: 1rem;
}

.placeholder-notice i {
    color: #f39c12;
}

.placeholder-notice-detailed {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    background: rgba(243, 156, 18, 0.1);
    border-radius: 15px;
    color: #e67e22;
    font-size: 0.9rem;
    margin-top: 1rem;
    border: 1px solid rgba(243, 156, 18, 0.2);
}

.placeholder-notice-detailed i {
    color: #f39c12;
    font-size: 1.1rem;
}

.edit-guide-link {
    color: #e67e22;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px dotted #e67e22;
    transition: all 0.3s ease;
}

.edit-guide-link:hover {
    color: #d35400;
    border-bottom-style: solid;
}

.tag-placeholder {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    opacity: 0.7;
}

/* Speaker Links */
.speaker-link {
    color: #91c9cd;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px dotted #91c9cd;
    transition: all 0.3s ease;
}

.speaker-link:hover {
    color: #3a8197;
    border-bottom-style: solid;
    transform: translateY(-1px);
}

/* Disabled buttons for placeholder talks */
.btn-icon.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Responsive Design para Página de Palestras */
@media (max-width: 768px) {
    .hero-talks {
        padding: 6rem 0 3rem;
    }
    
    .hero-talks .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .hero-stats .stat-number {
        font-size: 2rem;
    }
    
    .schedule-blocks-nav {
        flex-direction: column;
        align-items: center;
    }
    
    .block-nav-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .talks-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .talk-card-detailed {
        padding: 1.5rem;
    }
    
    .talk-header-detailed {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    
    .category-tags {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .timeline-talk {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .timeline-time {
        width: auto;
        margin-bottom: 0.5rem;
    }
    
    .timeline-content {
        margin-left: 0;
    }
    
    .timeline-header {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .talk-actions {
        justify-content: space-around;
    }
    
    .btn-icon {
        width: 35px;
        height: 35px;
    }
    
    .break-info {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
}

/* Seção de Palestrantes */
.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.speaker-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.speaker-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.speaker-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #3a8197, #91c9cd);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.speaker-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speaker-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(58, 129, 151, 0.8), rgba(145, 201, 205, 0.8));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.speaker-card:hover .speaker-image::before {
    opacity: 1;
}

.speaker-info {
    padding: 1.5rem;
}

.speaker-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.speaker-role {
    color: #3a8197;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.speaker-company {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.speaker-bio {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.speaker-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.speaker-social a {
    color: #64748b;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.speaker-social a:hover {
    color: #3a8197;
}

.speaker-expertise {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}

.expertise-tag {
    background: #fff9f3;
    color: #3a8197;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #91c9cd;
}

/* Blocos de horário */
.schedule-blocks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.schedule-block {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.block-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f1f5f9;
}

.block-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.block-time {
    background: linear-gradient(135deg, #3a8197, #91c9cd);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 500;
    display: inline-block;
}

.block-talks {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.block-talk {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #fff9f3;
    border-radius: 10px;
    transition: background 0.3s ease;
}

.block-talk:hover {
    background: #f0f4f8;
}

.talk-time-small {
    background: #3a8197;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    min-width: 80px;
    text-align: center;
}

.talk-details {
    flex: 1;
}

.talk-title-small {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.3rem;
}

.talk-speaker-small {
    color: #3a8197;
    font-size: 0.9rem;
}

/* Adicionais para melhorar a experiência */

/* Modal para detalhes das palestras */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    margin: 1rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #64748b;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: #3a8197;
}

/* Search box para palestras */
.search-container {
    max-width: 500px;
    margin: 0 auto 3rem;
}

.search-box {
    width: 100%;
    padding: 1rem 2rem;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-box:focus {
    border-color: #3a8197;
}

.search-box::placeholder {
    color: #94a3b8;
}

/* Filtros por categoria */
.filter-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 25px;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    border-color: #3a8197;
    background: #3a8197;
    color: white;
}

/* Contador de participantes */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.stat-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #3a8197;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: #64748b;
    margin-top: 0.5rem;
}

/* Timeline da agenda */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #3a8197, #91c9cd);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-left: 1rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 1.5rem;
    width: 12px;
    height: 12px;
    background: #3a8197;
    border-radius: 50%;
    border: 3px solid white;
}

.timeline-time {
    background: #3a8197;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 0.5rem;
}

/* Botão de voltar ao topo */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: #3a8197;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    background: #2d6a7a;
    transform: translateY(-2px);
}

.back-to-top.visible {
    display: flex;
}

/* Loading spinner */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3a8197;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Notificação toast */
.toast {
    position: fixed;
    top: 100px;
    right: 2rem;
    background: #10b981;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 1500;
}

.toast.show {
    transform: translateX(0);
}

.toast.error {
    background: #ef4444;
}

/* Melhorias para acessibilidade */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #3a8197;
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 0 0 5px 5px;
    z-index: 1001;
}

.skip-link:focus {
    top: 0;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .hero {
        background: #000;
        color: #fff;
    }
    
    .btn-primary {
        background: #fff;
        color: #000;
        border: 2px solid #000;
    }
    
    .talk-card {
        border: 2px solid #000;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .hero-graphic {
        animation: none;
    }
    
    .fade-in {
        transition: none;
        opacity: 1;
        transform: none;
    }
    
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .header,
    .hero,
    .cta-section,
    .footer,
    .back-to-top {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .section {
        padding: 1rem 0;
        page-break-inside: avoid;
    }
    
    .talk-card {
        break-inside: avoid;
        margin-bottom: 1rem;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a202c;
        --text-color: #e2e8f0;
        --card-bg: #2d3748;
    }
    
    body {
        background: var(--bg-color);
        color: var(--text-color);
    }
    
    .talk-card,
    .feature-card,
    .contact-item {
        background: var(--card-bg);
        color: var(--text-color);
    }
    
    .header {
        background: rgba(26, 32, 44, 0.95);
    }
    
    .nav-menu a {
        color: var(--text-color);
    }
}

/* Responsive Design para Página de Palestrantes */
@media (max-width: 768px) {
    .hero-simple {
        padding: 6rem 0 3rem;
    }
    
    .hero-simple .hero-title {
        font-size: 2.5rem;
    }
    
    .speakers-page .speakers-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .speaker-card-detailed {
        padding: 1.5rem;
    }
    
    .speakers-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .filter-tags {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .search-box input {
        font-size: 16px; /* Evita zoom no iOS */
    }
    
    .speaker-social-detailed {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .speaker-actions {
        flex-direction: column;
    }
    
    .social-btn {
        justify-content: center;
    }
}
.fas.fa-search {
    margin-left: 37px
}