/**
 * ================================================================
 * Défi d'Équipe - Team Challenge (Mobile-First v3.19.0)
 * ================================================================
 *
 * Activité collaborative d'équipe avec participation collective
 * Architecture mobile-first avec breakpoints progressifs
 *
 * @version 3.19.0
 * @since Sprint 5 - v2.3.0
 */

/* ================================================================
   1. CSS VARIABLES
   ================================================================ */
:root {
    /* System colors */
    --cal-primary: #667eea; /* v3.9.4 - Fallback simplifié */
    --cal-white: #FFFFFF;
    --cal-text: #1e293b;
    --cal-text-muted: #64748b;

    /* Team-specific colors */
    --team-primary: #3b82f6;
    --team-secondary: #2563eb;
    --team-gradient: linear-gradient(135deg, var(--team-primary) 0%, var(--team-secondary) 100%);
    --team-success: #10b981;
    --team-success-dark: #065f46;
    --team-success-bg: #d1fae5;
    --team-success-border: #10b981;
    --team-warning: #f59e0b;
    --team-warning-bg: #fef3c7;
    --team-warning-border: #fbbf24;
    --team-error: #ef4444;
    --team-error-bg: #fee2e2;
    --team-error-dark: #991b1b;
    --team-bg-light: #f8fafc;
    --team-bg-completed: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    --team-bg-poll-results: #f0f9ff;
    --team-border: #e2e8f0;
    --team-border-input: #e2e8f0;
    --team-border-poll: #3b82f6;
    --team-text-description: #64748b;
    --team-text-warning: #78350f;
    --team-text-light: #475569;

    /* Typography */
    --cal-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --cal-font-size-xs: 11px;
    --cal-font-size-sm: 14px;
    --cal-font-size-base: 16px;
    --cal-font-size-lg: 18px;
    --cal-font-size-xl: 20px;
    --cal-font-size-2xl: 22px;
    --cal-font-size-3xl: 24px;
    --cal-font-size-4xl: 28px;
    --cal-font-size-5xl: 32px;
    --cal-font-size-6xl: 80px;

    /* Spacing */
    --cal-spacing-xs: 5px;
    --cal-spacing-sm: 10px;
    --cal-spacing-md: 15px;
    --cal-spacing-lg: 20px;
    --cal-spacing-xl: 30px;
    --cal-spacing-2xl: 40px;

    /* Shadows */
    --cal-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --cal-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --cal-shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.1);
    --cal-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
    --cal-shadow-button: 0 4px 12px rgba(59, 130, 246, 0.4);
    --cal-shadow-button-hover: 0 6px 16px rgba(59, 130, 246, 0.5);

    /* Border Radius */
    --cal-radius-sm: 6px;
    --cal-radius-md: 8px;
    --cal-radius-lg: 10px;
    --cal-radius-xl: 12px;
    --cal-radius-2xl: 15px;
    --cal-radius-3xl: 20px;
    --cal-radius-full: 9999px;

    /* Transitions */
    --cal-transition-base: 0.3s ease;
    --cal-transition-slow: 0.5s ease;

    /* Z-Index */
    --cal-z-overlay: 10000;

    /* Heights */
    --progress-bar-height-mobile: 40px;
    --progress-bar-height-desktop: 50px;
}

/* ================================================================
   2. CONTAINER PRINCIPAL
   ================================================================ */
.team-challenge-activity {
    max-width: 100%;
    margin: 0 auto;
    padding: var(--cal-spacing-md);
    font-family: var(--cal-font-family);
}

@media (min-width: 768px) {
    .team-challenge-activity {
        max-width: 800px;
        padding: var(--cal-spacing-lg);
    }
}

/* ================================================================
   3. HEADER
   ================================================================ */
.team-challenge-header {
    text-align: center;
    margin-bottom: var(--cal-spacing-xl);
}

.team-challenge-header h2 {
    font-size: var(--cal-font-size-3xl);
    margin: 0 0 var(--cal-spacing-sm) 0;
    color: var(--cal-text);
}

@media (min-width: 768px) {
    .team-challenge-header h2 {
        font-size: var(--cal-font-size-5xl);
    }
}

.team-challenge-description {
    font-size: var(--cal-font-size-base);
    color: var(--team-text-description);
    line-height: 1.6;
    margin: 0;
}

@media (min-width: 768px) {
    .team-challenge-description {
        font-size: var(--cal-font-size-lg);
    }
}

/* ================================================================
   4. BARRE DE PROGRESSION
   ================================================================ */
.team-challenge-progress {
    background: var(--cal-white);
    border-radius: var(--cal-radius-2xl);
    padding: var(--cal-spacing-lg);
    margin-bottom: var(--cal-spacing-xl);
    box-shadow: var(--cal-shadow-md);
}

@media (min-width: 768px) {
    .team-challenge-progress {
        padding: var(--cal-spacing-xl);
    }
}

.progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--cal-spacing-sm);
}

.progress-status {
    font-weight: 600;
    font-size: var(--cal-font-size-base);
    color: var(--team-primary);
}

.progress-status.completed {
    color: var(--team-success);
}

.progress-bar-container {
    position: relative;
    width: 100%;
    height: var(--progress-bar-height-mobile);
    background: var(--team-border);
    border-radius: var(--cal-radius-full);
    overflow: hidden;
    margin-bottom: var(--cal-spacing-md);
}

@media (min-width: 768px) {
    .progress-bar-container {
        height: var(--progress-bar-height-desktop);
    }
}

.progress-bar-fill {
    height: 100%;
    background: var(--team-gradient);
    transition: width var(--cal-transition-slow);
    position: relative;
    transform: translate3d(0, 0, 0);
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translate3d(0, 0, 0);
    }
    100% {
        transform: translateX(100%) translate3d(0, 0, 0);
    }
}

.progress-bar-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: 600;
    color: var(--cal-text);
    font-size: var(--cal-font-size-base);
    z-index: 1;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-direction: column;
    gap: var(--cal-spacing-sm);
}

@media (min-width: 480px) {
    .progress-info {
        flex-direction: row;
        align-items: center;
    }
}

.participants-count {
    font-size: var(--cal-font-size-sm);
    color: var(--cal-text-muted);
}

.reward-info {
    font-size: var(--cal-font-size-sm);
    color: var(--team-warning);
}

/* ================================================================
   5. ÉTAT COMPLÉTÉ
   ================================================================ */
.team-challenge-completed {
    text-align: center;
    padding: var(--cal-spacing-xl);
    background: var(--team-bg-completed);
    border-radius: var(--cal-radius-2xl);
    margin-bottom: var(--cal-spacing-xl);
}

@media (min-width: 768px) {
    .team-challenge-completed {
        padding: var(--cal-spacing-2xl);
    }
}

.completion-icon {
    font-size: var(--cal-font-size-5xl);
    margin-bottom: var(--cal-spacing-lg);
    animation: bounce 1s ease infinite;
    transform: translate3d(0, 0, 0);
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0) translate3d(0, 0, 0);
    }
    50% {
        transform: translateY(-10px) translate3d(0, 0, 0);
    }
}

.team-challenge-completed h3 {
    font-size: var(--cal-font-size-4xl);
    margin: 0 0 var(--cal-spacing-md) 0;
    color: var(--cal-text);
}

.team-challenge-completed p {
    font-size: var(--cal-font-size-base);
    color: var(--team-text-light);
    margin-bottom: var(--cal-spacing-lg);
}

.user-participation-status {
    display: inline-block;
    padding: var(--cal-spacing-sm) var(--cal-spacing-3xl);
    background: var(--team-success);
    color: var(--cal-white);
    border-radius: var(--cal-radius-md);
    font-weight: 600;
}

.user-participation-status.not-participated {
    background: var(--cal-text-muted);
}

/* ================================================================
   6. ÉTAT EN ATTENTE
   ================================================================ */
.team-challenge-pending {
    text-align: center;
    padding: var(--cal-spacing-xl);
    background: var(--team-warning-bg);
    border: 2px solid var(--team-warning-border);
    border-radius: var(--cal-radius-2xl);
    margin-bottom: var(--cal-spacing-xl);
}

.participation-confirmed {
    font-size: var(--cal-font-size-lg);
    color: var(--team-success);
    margin-bottom: var(--cal-spacing-sm);
}

.team-challenge-pending p {
    font-size: var(--cal-font-size-base);
    color: var(--team-text-warning);
    margin: 0;
}

/* ================================================================
   7. FORMULAIRE DE PARTICIPATION
   ================================================================ */
.team-challenge-form {
    background: var(--cal-white);
    border-radius: var(--cal-radius-2xl);
    padding: var(--cal-spacing-lg);
    box-shadow: var(--cal-shadow-md);
    margin-bottom: var(--cal-spacing-xl);
}

@media (min-width: 768px) {
    .team-challenge-form {
        padding: var(--cal-spacing-xl);
    }
}

.team-challenge-form h3 {
    font-size: var(--cal-font-size-2xl);
    margin: 0 0 var(--cal-spacing-lg) 0;
    color: var(--cal-text);
}

.team-input-text {
    width: 100%;
    padding: var(--cal-spacing-md);
    font-size: var(--cal-font-size-base);
    border: 2px solid var(--team-border-input);
    border-radius: var(--cal-radius-md);
    resize: vertical;
    font-family: inherit;
    transition: border-color var(--cal-transition-base);
}

.team-input-text:focus {
    outline: none;
    border-color: var(--team-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.char-counter {
    text-align: right;
    font-size: var(--cal-font-size-sm);
    color: var(--cal-text-muted);
    margin-top: var(--cal-spacing-xs);
    margin-bottom: var(--cal-spacing-md);
}

.team-submit-btn {
    display: block;
    width: 100%;
    padding: var(--cal-spacing-md);
    font-size: var(--cal-font-size-base);
    font-weight: 600;
    color: var(--cal-white);
    background: var(--team-gradient);
    border: none;
    border-radius: var(--cal-radius-md);
    cursor: pointer;
    transition: all var(--cal-transition-base);
    box-shadow: var(--cal-shadow-button);
    min-height: 56px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.team-submit-btn:hover {
    transform: translateY(-2px) translate3d(0, 0, 0);
    box-shadow: var(--cal-shadow-button-hover);
}

@media (hover: none) {
    .team-submit-btn:active {
        opacity: 0.85;
        transform: scale(0.98) translate3d(0, 0, 0);
    }
}

.team-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ================================================================
   8. UPLOAD PHOTO
   ================================================================ */
.photo-upload-zone {
    text-align: center;
}

.photo-upload-btn {
    display: inline-block;
    padding: var(--cal-spacing-md) var(--cal-spacing-xl);
    font-size: var(--cal-font-size-base);
    font-weight: 600;
    color: var(--cal-white);
    background: var(--team-gradient);
    border: none;
    border-radius: var(--cal-radius-md);
    cursor: pointer;
    transition: all var(--cal-transition-base);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
}

.photo-upload-btn:hover {
    transform: translateY(-2px) translate3d(0, 0, 0);
    box-shadow: var(--cal-shadow-button);
}

@media (hover: none) {
    .photo-upload-btn:active {
        opacity: 0.85;
        transform: scale(0.98) translate3d(0, 0, 0);
    }
}

/* ================================================================
   9. SONDAGE (préfixé pour éviter conflit avec poll.css)
   ================================================================ */
.team-challenge-container .poll-options {
    margin-bottom: var(--cal-spacing-lg);
}

.team-challenge-container .poll-option {
    display: flex;
    align-items: center;
    padding: var(--cal-spacing-md);
    background: var(--team-bg-light);
    border: 2px solid var(--team-border);
    border-radius: var(--cal-radius-md);
    margin-bottom: var(--cal-spacing-sm);
    cursor: pointer;
    transition: all var(--cal-transition-base);
    min-height: 56px;
    touch-action: manipulation;
    transform: translate3d(0, 0, 0);
}

.team-challenge-container .poll-option:hover {
    background: var(--team-border);
    border-color: var(--team-primary);
}

@media (hover: none) {
    .team-challenge-container .poll-option:active {
        opacity: 0.85;
        transform: scale(0.99) translate3d(0, 0, 0);
    }
}

.team-challenge-container .poll-option input[type="radio"] {
    margin-right: var(--cal-spacing-sm);
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.team-challenge-container .poll-option span {
    font-size: var(--cal-font-size-base);
    color: var(--cal-text);
}

/* ================================================================
   10. FEEDBACK
   ================================================================ */
.team-feedback {
    padding: var(--cal-spacing-md);
    border-radius: var(--cal-radius-md);
    margin-top: var(--cal-spacing-md);
    font-weight: 500;
    text-align: center;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px) translate3d(0, 0, 0);
    }
    to {
        opacity: 1;
        transform: translateY(0) translate3d(0, 0, 0);
    }
}

.team-feedback.success {
    background: var(--team-success-bg);
    color: var(--team-success-dark);
    border: 2px solid var(--team-success-border);
}

.team-feedback.error {
    background: var(--team-error-bg);
    color: var(--team-error-dark);
    border: 2px solid var(--team-error);
}

/* ================================================================
   11. FEED DES PARTICIPATIONS
   ================================================================ */
.team-challenge-feed {
    background: var(--cal-white);
    border-radius: var(--cal-radius-2xl);
    padding: var(--cal-spacing-lg);
    box-shadow: var(--cal-shadow-md);
}

@media (min-width: 768px) {
    .team-challenge-feed {
        padding: var(--cal-spacing-xl);
    }
}

.team-challenge-feed h3 {
    font-size: var(--cal-font-size-2xl);
    margin: 0 0 var(--cal-spacing-lg) 0;
    color: var(--cal-text);
}

.participations-list {
    display: flex;
    flex-direction: column;
    gap: var(--cal-spacing-md);
}

.participation-item {
    background: var(--team-bg-light);
    border-radius: var(--cal-radius-lg);
    padding: var(--cal-spacing-md);
    border: 1px solid var(--team-border);
    transition: all var(--cal-transition-base);
    transform: translate3d(0, 0, 0);
}

.participation-item:hover {
    box-shadow: var(--cal-shadow-lg);
}

.participation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--cal-spacing-sm);
}

.participation-author {
    font-weight: 600;
    color: var(--cal-text);
    font-size: var(--cal-font-size-base);
}

.participation-time {
    font-size: 13px;
    color: #94a3b8;
}

.participation-content {
    margin-bottom: var(--cal-spacing-sm);
}

.participation-text {
    font-size: var(--cal-font-size-base);
    color: var(--team-text-light);
    line-height: 1.6;
    margin: 0;
    white-space: pre-wrap;
}

.participation-photo {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: var(--cal-radius-md);
    display: block;
}

.participation-poll-choice {
    font-size: var(--cal-font-size-base);
    color: var(--team-text-light);
    margin: 0;
}

.participation-actions {
    display: flex;
    gap: var(--cal-spacing-sm);
}

.participation-like-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--cal-spacing-xs);
    padding: var(--cal-spacing-xs) var(--cal-spacing-sm);
    background: #f1f5f9;
    border: none;
    border-radius: var(--cal-radius-sm);
    cursor: pointer;
    font-size: var(--cal-font-size-sm);
    transition: all var(--cal-transition-base);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
}

.participation-like-btn:hover {
    background: var(--team-border);
}

@media (hover: none) {
    .participation-like-btn:active {
        opacity: 0.85;
        transform: scale(0.95) translate3d(0, 0, 0);
    }
}

.participation-like-btn.liked {
    background: var(--team-error-bg);
    color: var(--team-error-dark);
}

.load-more-btn {
    display: block;
    width: 100%;
    padding: var(--cal-spacing-sm);
    margin-top: var(--cal-spacing-lg);
    font-size: var(--cal-font-size-base);
    font-weight: 500;
    color: var(--team-primary);
    background: var(--cal-white);
    border: 2px solid var(--team-primary);
    border-radius: var(--cal-radius-md);
    cursor: pointer;
    transition: all var(--cal-transition-base);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
}

.load-more-btn:hover {
    background: #eff6ff;
}

@media (hover: none) {
    .load-more-btn:active {
        opacity: 0.85;
        transform: scale(0.98) translate3d(0, 0, 0);
    }
}

.loading-spinner {
    text-align: center;
    padding: var(--cal-spacing-lg);
    color: var(--cal-text-muted);
}

/* ================================================================
   12. RÉSULTATS DU SONDAGE
   ================================================================ */
.poll-results {
    background: var(--team-bg-poll-results);
    border: 2px solid var(--team-border-poll);
    border-radius: var(--cal-radius-lg);
    padding: var(--cal-spacing-lg);
    margin-bottom: var(--cal-spacing-xl);
}

.poll-results h4 {
    font-size: var(--cal-font-size-xl);
    margin: 0 0 var(--cal-spacing-md) 0;
    color: var(--cal-text);
}

.poll-result-item {
    margin-bottom: var(--cal-spacing-md);
}

.poll-result-label {
    font-size: var(--cal-font-size-base);
    font-weight: 500;
    color: var(--cal-text);
    margin-bottom: var(--cal-spacing-xs);
}

.poll-result-bar-container {
    position: relative;
    background: #e0f2fe;
    border-radius: var(--cal-radius-md);
    height: 30px;
    overflow: hidden;
}

.poll-result-bar {
    height: 100%;
    background: var(--team-gradient);
    transition: width var(--cal-transition-slow);
    transform: translate3d(0, 0, 0);
}

.poll-result-percentage {
    position: absolute;
    top: 50%;
    left: var(--cal-spacing-sm);
    transform: translateY(-50%);
    font-size: var(--cal-font-size-sm);
    font-weight: 600;
    color: var(--cal-text);
    z-index: 1;
}

.team-participations-modal .poll-results {
    background: var(--cal-white);
    border: none;
}

/* ================================================================
   13. SUCCESS OVERLAY
   ================================================================ */
.team-success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--cal-z-overlay);
    backdrop-filter: blur(5px);
    padding: var(--cal-spacing-lg);
}

.team-success-content {
    background: var(--cal-white);
    padding: var(--cal-spacing-xl);
    border-radius: var(--cal-radius-3xl);
    text-align: center;
    max-width: 500px;
    width: 100%;
    box-shadow: var(--cal-shadow-xl);
    animation: popIn 0.5s ease;
    transform: translate3d(0, 0, 0);
}

@media (min-width: 768px) {
    .team-success-content {
        padding: var(--cal-spacing-2xl);
    }
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0.8) translate3d(0, 0, 0);
    }
    100% {
        opacity: 1;
        transform: scale(1) translate3d(0, 0, 0);
    }
}

.success-icon {
    font-size: var(--cal-font-size-6xl);
    margin-bottom: var(--cal-spacing-lg);
    animation: bounce 1s ease infinite;
}

.team-success-content h3 {
    font-size: var(--cal-font-size-4xl);
    margin: 0 0 var(--cal-spacing-md) 0;
    color: var(--cal-text);
}

.team-success-content p {
    font-size: var(--cal-font-size-base);
    color: var(--cal-text-muted);
    margin-bottom: var(--cal-spacing-xl);
    line-height: 1.6;
}

.reload-btn {
    padding: var(--cal-spacing-md) var(--cal-spacing-2xl);
    font-size: var(--cal-font-size-base);
    font-weight: 600;
    color: var(--cal-white);
    background: var(--team-gradient);
    border: none;
    border-radius: var(--cal-radius-lg);
    cursor: pointer;
    transition: all var(--cal-transition-base);
    box-shadow: var(--cal-shadow-button);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.reload-btn:hover {
    transform: translateY(-2px) translate3d(0, 0, 0);
    box-shadow: var(--cal-shadow-button-hover);
}

@media (hover: none) {
    .reload-btn:active {
        opacity: 0.85;
        transform: scale(0.98) translate3d(0, 0, 0);
    }
}

/* ================================================================
   14. BOUTON VOIR PARTICIPATIONS
   ================================================================ */
.team-challenge-view-participations {
    text-align: center;
    margin: var(--cal-spacing-xl) 0;
}

.view-participations-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--cal-spacing-sm);
    padding: var(--cal-spacing-md) var(--cal-spacing-xl);
    font-size: var(--cal-font-size-base);
    font-weight: 600;
    color: var(--cal-white);
    background: var(--team-gradient);
    border: none;
    border-radius: var(--cal-radius-xl);
    cursor: pointer;
    transition: all var(--cal-transition-base);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    width: 100%;
    min-height: 56px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

@media (min-width: 480px) {
    .view-participations-btn {
        width: auto;
    }
}

.view-participations-btn:hover {
    transform: translateY(-2px) translate3d(0, 0, 0);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

@media (hover: none) {
    .view-participations-btn:active {
        opacity: 0.85;
        transform: scale(0.98) translate3d(0, 0, 0);
    }
}

.participations-badge {
    background: rgba(255, 255, 255, 0.3);
    padding: 4px var(--cal-spacing-sm);
    border-radius: var(--cal-radius-full);
    font-size: var(--cal-font-size-sm);
    font-weight: 700;
}

/* ================================================================
   15. OVERLAY DES PARTICIPATIONS
   ================================================================ */
.team-participations-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: var(--cal-z-overlay);
    display: none;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: var(--cal-spacing-lg);
}

.team-participations-modal.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.team-participations-modal-header {
    text-align: center;
    color: var(--cal-white);
    margin-bottom: var(--cal-spacing-xl);
}

.team-participations-modal-header h3 {
    margin: 0 0 var(--cal-spacing-sm) 0;
    font-size: var(--cal-font-size-3xl);
}

@media (min-width: 768px) {
    .team-participations-modal-header h3 {
        font-size: var(--cal-font-size-5xl);
    }
}

.team-participations-modal-header p {
    margin: 0;
    font-size: var(--cal-font-size-base);
    opacity: 0.8;
}

.team-participations-modal-close {
    position: fixed;
    top: var(--cal-spacing-lg);
    right: var(--cal-spacing-lg);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: var(--cal-font-size-5xl);
    color: var(--cal-white);
    cursor: pointer;
    transition: all var(--cal-transition-base);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

.team-participations-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg) translate3d(0, 0, 0);
}

@media (hover: none) {
    .team-participations-modal-close:active {
        opacity: 0.85;
        transform: scale(0.9) translate3d(0, 0, 0);
    }
}

.team-participations-modal-content {
    max-width: 800px;
    margin: 0 auto;
}

.team-participations-modal .participations-list {
    display: flex;
    flex-direction: column;
    gap: var(--cal-spacing-md);
}

.team-participations-modal .load-more-btn {
    margin-top: var(--cal-spacing-lg);
    width: 100%;
}