/* Panelists Page Styles */

/* Day Navigation */
.day-navigation {
    background: var(--gradient-secondary);
    background: linear-gradient(135deg, #B3D4B3 0%, #F4F2CA 25%, #DEE2B7 100%);
    padding: var(--spacing-3xl) 0;
    padding: 4rem 0;
    margin-bottom: var(--spacing-xl);
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    min-height: 200px;
}

.day-navigation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/sunflower.png');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 1;
}

.day-nav-wrapper {
    text-align: center;
    position: relative;
    z-index: 2;
}

.day-nav-wrapper h1,
.day-nav-wrapper h2 {
    color: var(--ucla-blue);
    color: #3F7093;
    font-size: var(--font-size-5xl);
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    margin-bottom: 1rem;
    font-weight: 900;
    font-family: 'Fredoka One', cursive;
}

.day-nav-wrapper .header-description {
    color: #003B5C;
    font-size: var(--font-size-lg);
    font-size: 1.125rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    margin-bottom: 2rem;
    font-family: var(--font-family-body);
    font-weight: 500;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.day-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.day-btn {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--tiffany-blue);
    border: 2px solid #6CD2D0;
    color: var(--ucla-blue);
    color: #3F7093;
    padding: var(--spacing-md) var(--spacing-lg);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-lg);
    border-radius: 1rem;
    cursor: pointer;
    transition: var(--transition);
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: var(--font-size-base);
    font-size: 1rem;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.day-btn:hover {
    background: var(--tiffany-blue);
    background: #6CD2D0;
    color: white;
    border-color: var(--tiffany-blue);
    border-color: #6CD2D0;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.day-btn.active {
    background: var(--ucla-blue);
    background: #3F7093;
    color: white;
    border-color: var(--ucla-blue);
    border-color: #3F7093;
    font-weight: 700;
}

/* Panelists Section */
.panelists-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-subtle);
    min-height: 60vh;
}

.day-panelists {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.day-panelists.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.day-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.day-header h3 {
    color: var(--ucla-blue);
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    font-family: 'Fredoka One', cursive;
}

.day-subtitle {
    color: #003B5C;
    font-size: var(--font-size-xl);
    font-weight: 600;
    font-family: var(--font-family-body);
}

.no-panelists {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    color: #003B5C;
    font-size: var(--font-size-lg);
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

/* Panelists Grid */
.panelists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.panelist-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--celadon);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
}

.panelist-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.panelist-image {
    width: 100%;
    height: 350px;
    overflow: hidden;
    position: relative;
    background: var(--gradient-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
}

.panelist-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: var(--transition);
}

.panelist-card:hover .panelist-image img {
    transform: scale(1.05);
}

.panelist-info {
    padding: var(--spacing-xl);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.panelist-info h4 {
    color: var(--ucla-blue);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    font-family: 'Fredoka One', cursive;
}

.panelist-title {
    color: var(--blue-green);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    font-style: italic;
    font-family: var(--font-family-body);
}

.panelist-bio {
    color: #003B5C;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-family-body);
    flex-grow: 1;
}

.panelist-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: auto;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--light-blue);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid var(--light-blue);
}

.social-link:hover {
    background: var(--ucla-blue);
    border-color: var(--ucla-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.social-link i {
    font-size: var(--font-size-base);
}

/* Image Placeholder */
.image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: var(--gradient-secondary);
    color: var(--ucla-blue);
    font-size: 3rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .day-navigation {
        padding: var(--spacing-2xl) 0;
    }
    
    .day-nav-wrapper h2 {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-lg);
    }
    
    .day-buttons {
        gap: var(--spacing-sm);
    }
    
    .day-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .day-header h3 {
        font-size: var(--font-size-3xl);
    }
    
    .day-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .panelists-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .panelist-card {
        margin: 0 var(--spacing-sm);
    }
    
    .panelist-image {
        height: 280px;
        background: var(--gradient-subtle);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .panelist-info {
        padding: var(--spacing-lg);
    }
    
    .panelist-info h4 {
        font-size: var(--font-size-xl);
    }
    
    .panelist-bio {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .day-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .day-btn {
        width: 200px;
        text-align: center;
    }
    
    .panelist-card {
        margin: 0;
    }
    
    .panelist-image {
        height: 250px;
        background: var(--gradient-subtle);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .panelist-info {
        padding: var(--spacing-md);
    }
    
    .social-link {
        width: 35px;
        height: 35px;
    }
    
    .social-link i {
        font-size: var(--font-size-sm);
    }
}

/* Loading States */
.panelist-card.loading {
    opacity: 0.6;
    pointer-events: none;
}

.panelist-card.loading .panelist-image {
    background: var(--gray-light);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .day-panelists,
    .panelist-card,
    .panelist-image img,
    .day-btn,
    .social-link {
        transition: none;
    }
    
    .day-panelists {
        animation: none;
    }
}

/* Coming Soon Section */
.coming-soon-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    padding: var(--spacing-2xl);
}

.coming-soon-content {
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-3xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--celadon);
    max-width: 600px;
}

.coming-soon-icon {
    font-size: 4rem;
    color: var(--tiffany-blue);
    margin-bottom: var(--spacing-lg);
    animation: pulse-slow 2s ease-in-out infinite;
}

@keyframes pulse-slow {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

.coming-soon-content h4 {
    color: var(--ucla-blue);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
    font-family: 'Fredoka One', cursive;
}

.coming-soon-content p {
    color: #003B5C;
    font-size: var(--font-size-lg);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-family-body);
}

.coming-soon-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(108, 210, 208, 0.1);
    border-radius: var(--border-radius-md);
    min-width: 120px;
}

.feature-item i {
    font-size: var(--font-size-2xl);
    color: var(--tiffany-blue);
}

.feature-item span {
    color: var(--ucla-blue);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-align: center;
}

/* Mobile responsiveness for coming soon */
@media (max-width: 768px) {
    .coming-soon-section {
        min-height: 300px;
        padding: var(--spacing-lg);
    }
    
    .coming-soon-content {
        padding: var(--spacing-xl);
    }
    
    .coming-soon-icon {
        font-size: 3rem;
    }
    
    .coming-soon-content h4 {
        font-size: var(--font-size-2xl);
    }
    
    .coming-soon-content p {
        font-size: var(--font-size-base);
    }
    
    .coming-soon-features {
        gap: var(--spacing-md);
    }
    
    .feature-item {
        min-width: 100px;
        padding: var(--spacing-sm);
    }
    
    .feature-item i {
        font-size: var(--font-size-xl);
    }
    
    .feature-item span {
        font-size: var(--font-size-xs);
    }
}

/* Panel Sections */
.panel-section,
.keynote-section {
    margin-bottom: var(--spacing-3xl);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--celadon);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.panel-header {
    background: var(--gradient-secondary);
    background: linear-gradient(135deg, #B3D4B3 0%, #F4F2CA 25%, #DEE2B7 100%);
    padding: var(--spacing-xl);
    text-align: center;
    border-bottom: 2px solid var(--celadon);
    position: relative;
}

.panel-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/sunflower.png');
    background-size: cover;
    background-position: center;
    opacity: 0.03;
    z-index: 1;
}

.panel-header h4 {
    color: var(--ucla-blue);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    font-family: 'Fredoka One', cursive;
    position: relative;
    z-index: 2;
}

.panel-description {
    color: #003B5C;
    font-size: var(--font-size-lg);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-family-body);
    font-weight: 500;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2;
}

.panel-time {
    color: var(--tiffany-blue);
    font-size: var(--font-size-lg);
    font-weight: 600;
    font-family: var(--font-family-body);
    margin-top: var(--spacing-md);
    position: relative;
    z-index: 2;
}

.panel-section .panelists-grid,
.keynote-section .panelists-grid {
    padding: var(--spacing-xl);
    margin-top: 0;
}

/* Keynote Section Styling */
.keynote-section .panel-header {
    background: linear-gradient(135deg, #6CD2D0 0%, #B3D4B3 50%, #F4F2CA 100%);
}

.keynote-section .panel-header h4 {
    font-size: var(--font-size-4xl);
    color: var(--ucla-blue);
}

/* Mobile responsiveness for panels */
@media (max-width: 768px) {
    .panel-header {
        padding: var(--spacing-lg);
    }
    
    .panel-header h4 {
        font-size: var(--font-size-2xl);
    }
    
    .keynote-section .panel-header h4 {
        font-size: var(--font-size-3xl);
    }
    
    .panel-description {
        font-size: var(--font-size-base);
    }
    
    .panel-time {
        font-size: var(--font-size-base);
    }
    
    .panel-section .panelists-grid,
    .keynote-section .panelists-grid {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .panel-header {
        padding: var(--spacing-md);
    }
    
    .panel-header h4 {
        font-size: var(--font-size-xl);
    }
    
    .keynote-section .panel-header h4 {
        font-size: var(--font-size-2xl);
    }
    
    .panel-description {
        font-size: var(--font-size-sm);
    }
    
    .panel-time {
        font-size: var(--font-size-sm);
    }
    
    .panel-section .panelists-grid,
    .keynote-section .panelists-grid {
        padding: var(--spacing-md);
    }
}

/* Focus states for keyboard navigation */
.day-btn:focus,
.social-link:focus {
    outline: 2px solid var(--ucla-blue);
    outline-offset: 2px;
}

.panelist-card:focus-within {
    outline: 2px solid var(--ucla-blue);
    outline-offset: 2px;
}

.panel-section:focus-within,
.keynote-section:focus-within {
    outline: 2px solid var(--ucla-blue);
    outline-offset: 2px;
}