/**
 * ================================================================
 * Idea Box - Boîte à idées collaborative (Mobile-First v3.28.0)
 * ================================================================
 *
 * Plateforme de soumission et vote d'idées avec scoring collaboratif
 * Architecture mobile-first avec breakpoints progressifs
 *
 * @version 3.28.0
 */

:root {
    --idea-primary: var(--cal-primary, #667eea) /* v3.9.5 */;
    --idea-secondary: var(--cal-secondary, #764ba2) /* v3.9.5 */;
    --idea-gradient: linear-gradient(135deg, var(--idea-primary) 0%, var(--idea-secondary) 100%);
    --idea-text: #2B3674;
    --idea-muted: #666;
    --idea-border: #e5e7eb;
    --idea-bg-light: #f8f9fa;
    --idea-white: #FFFFFF;
    --idea-success-bg: #d4edda;
    --idea-success-text: #155724;
    --idea-error-bg: #f8d7da;
    --idea-error-text: #721c24;
    --cal-transition-base: 0.3s ease;
    --cal-transition-fast: 0.2s ease;
}

.idea-box-activity {
    max-width: 100%;
    margin: 0 auto;
    padding: 15px;
}

@media (min-width: 768px) {
    .idea-box-activity {
        max-width: 1200px;
        padding: 20px;
    }
}

.idea-header {
    text-align: center;
    margin-bottom: 30px;
}

@media (min-width: 768px) {
    .idea-header {
        margin-bottom: 40px;
    }
}

.category-badge {
    display: inline-block;
    background: var(--idea-gradient);
    color: var(--idea-white);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    margin-bottom: 15px;
}

@media (min-width: 768px) {
    .category-badge {
        font-size: 18px;
        margin-bottom: 20px;
    }
}

.idea-prompt {
    font-size: 16px;
    color: var(--idea-text);
    margin: 0;
    font-weight: 500;
}

@media (min-width: 768px) {
    .idea-prompt {
        font-size: 18px;
    }
}

.idea-form {
    background: var(--idea-white);
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

@media (min-width: 768px) {
    .idea-form {
        padding: 40px;
        margin-bottom: 40px;
    }
}

.form-group {
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .form-group {
        margin-bottom: 25px;
    }
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--idea-text);
    font-size: 15px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--idea-border);
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    transition: all var(--cal-transition-fast);
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--idea-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-text {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: #999;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    background: var(--idea-gradient);
    color: var(--idea-white);
    border: none;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--cal-transition-base);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
}

.btn-submit:hover {
    transform: translateY(-2px) translate3d(0, 0, 0);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

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

.idea-submitted-message {
    background: var(--idea-gradient);
    color: var(--idea-white);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

@media (min-width: 768px) {
    .idea-submitted-message {
        padding: 50px 40px;
        margin-bottom: 40px;
    }
}

.idea-submitted-message .success-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    margin: 0 auto 15px;
}

@media (min-width: 768px) {
    .idea-submitted-message .success-icon {
        width: 80px;
        height: 80px;
        font-size: 48px;
        margin: 0 auto 20px;
    }
}

.idea-submitted-message h3 {
    font-size: 24px;
    margin: 0 0 10px;
    color: var(--idea-white);
}

@media (min-width: 768px) {
    .idea-submitted-message h3 {
        font-size: 28px;
    }
}

.idea-submitted-message p {
    font-size: 15px;
    margin: 10px 0 0;
    opacity: 0.9;
}

@media (min-width: 768px) {
    .idea-submitted-message p {
        font-size: 16px;
    }
}

.ideas-board-section {
    margin-top: 40px;
}

@media (min-width: 768px) {
    .ideas-board-section {
        margin-top: 50px;
    }
}

.board-header {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .board-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 30px;
    }
}

.board-header h3 {
    font-size: 22px;
    color: var(--idea-text);
    margin: 0;
}

@media (min-width: 768px) {
    .board-header h3 {
        font-size: 26px;
    }
}

.btn-refresh {
    padding: 10px 20px;
    background: var(--idea-white);
    border: 2px solid var(--idea-primary);
    color: var(--idea-primary);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--cal-transition-fast);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

@media (min-width: 768px) {
    .btn-refresh {
        font-size: 15px;
    }
}

.btn-refresh:hover {
    background: var(--idea-primary);
    color: var(--idea-white);
}

@media (hover: none) {
    .btn-refresh:active {
        opacity: 0.85;
    }
}

.ideas-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 768px) {
    .ideas-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
        gap: 24px;
    }
}

.idea-card {
    background: var(--idea-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all var(--cal-transition-base);
    display: flex;
    flex-direction: column;
    transform: translate3d(0, 0, 0);
}

.idea-card:hover {
    transform: translateY(-4px) translate3d(0, 0, 0);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.idea-card-header {
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
}

@media (min-width: 768px) {
    .idea-card-header {
        padding: 20px;
    }
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--idea-primary);
}

.user-name {
    font-weight: 600;
    color: var(--idea-text);
    font-size: 15px;
}

.idea-date {
    font-size: 13px;
    color: #999;
    margin-top: 2px;
}

.idea-card-body {
    padding: 15px;
    flex: 1;
}

@media (min-width: 768px) {
    .idea-card-body {
        padding: 20px;
    }
}

.idea-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--idea-text);
    margin: 0 0 10px;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .idea-title {
        font-size: 18px;
        margin: 0 0 12px;
    }
}

.idea-description {
    font-size: 14px;
    color: var(--idea-muted);
    line-height: 1.6;
    margin: 0;
}

.idea-card-footer {
    padding: 12px 15px;
    background: var(--idea-bg-light);
    border-top: 1px solid #f0f0f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

@media (min-width: 768px) {
    .idea-card-footer {
        padding: 16px 20px;
    }
}

.vote-buttons {
    display: flex;
    gap: 10px;
}

.vote-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--idea-white);
    border: 2px solid var(--idea-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--cal-transition-fast);
    font-size: 14px;
    font-weight: 600;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
}

.vote-btn:hover {
    border-color: var(--idea-primary);
    transform: scale(1.05) translate3d(0, 0, 0);
}

@media (hover: none) {
    .vote-btn:active {
        opacity: 0.85;
        transform: scale(1.02) translate3d(0, 0, 0);
    }
}

.vote-btn.active {
    background: var(--idea-gradient);
    border-color: var(--idea-primary);
    color: var(--idea-white);
}

.vote-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.vote-icon {
    font-size: 18px;
}

.vote-count {
    min-width: 20px;
    text-align: center;
}

.vote-up.active .vote-icon,
.vote-down.active .vote-icon {
    animation: bounce 0.5s;
}

@keyframes bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.idea-score {
    font-size: 14px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 8px;
}

@media (min-width: 768px) {
    .idea-score {
        font-size: 15px;
    }
}

.idea-score.score-positive {
    background: var(--idea-success-bg);
    color: var(--idea-success-text);
}

.idea-score.score-negative {
    background: var(--idea-error-bg);
    color: var(--idea-error-text);
}

.idea-score.score-neutral {
    background: var(--idea-border);
    color: var(--idea-muted);
}

.loading-spinner,
.no-ideas {
    text-align: center;
    padding: 40px 20px;
}

@media (min-width: 768px) {
    .loading-spinner,
    .no-ideas {
        padding: 60px 20px;
    }
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--idea-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-spinner p,
.no-ideas p {
    color: var(--idea-muted);
    font-size: 15px;
}

@media (min-width: 768px) {
    .no-ideas p {
        font-size: 18px;
    }
}

.no-ideas {
    background: var(--idea-white);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.success-content {
    background: var(--idea-white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    animation: successPop 0.5s ease-out;
    max-width: 500px;
    width: 100%;
}

@media (min-width: 768px) {
    .success-content {
        padding: 60px 80px;
    }
}

@keyframes successPop {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.success-content .success-icon {
    width: 80px;
    height: 80px;
    background: var(--idea-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--idea-white);
    margin: 0 auto 15px;
}

@media (min-width: 768px) {
    .success-content .success-icon {
        width: 100px;
        height: 100px;
        font-size: 60px;
        margin: 0 auto 20px;
    }
}

.success-content h2 {
    font-size: 26px;
    color: var(--idea-text);
    margin: 0 0 10px;
}

@media (min-width: 768px) {
    .success-content h2 {
        font-size: 32px;
    }
}

.success-content p {
    font-size: 16px;
    color: var(--idea-muted);
    margin: 0;
}

@media (min-width: 768px) {
    .success-content p {
        font-size: 18px;
    }
}

.idea-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--idea-white);
    padding: 16px 24px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    z-index: 10001;
    transform: translateX(400px);
    transition: transform var(--cal-transition-base);
    font-weight: 600;
}

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

.idea-toast.error {
    border-left: 4px solid #e74c3c;
    color: #e74c3c;
}

.idea-toast.success {
    border-left: 4px solid #27ae60;
    color: #27ae60;
}

/* ================================================================
   10. BOUTON VOIR LES IDÉES (v3.30.1)
   ================================================================ */
.ideas-gallery-section {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid var(--idea-border);
    text-align: center;
}

.view-ideas-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--idea-gradient);
    color: var(--idea-white);
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--cal-transition-base);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    min-height: 56px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
}

@media (min-width: 768px) {
    .view-ideas-btn {
        font-size: 18px;
        padding: 18px 40px;
    }
}

.view-ideas-btn:hover {
    transform: translateY(-2px) translate3d(0, 0, 0);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

.view-ideas-btn .ideas-count {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    margin-left: 8px;
}

/* ================================================================
   11. MODAL DES IDÉES (v3.30.1)
   ================================================================ */
.ideas-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow-y: auto;
}

.ideas-modal.active {
    display: flex;
}

.ideas-modal-close {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    font-size: 32px;
    line-height: 1;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--idea-text);
    transition: all var(--cal-transition-base);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.ideas-modal-close:hover {
    background: var(--idea-white);
    transform: scale(1.1) translate3d(0, 0, 0);
}

@media (hover: none) {
    .ideas-modal-close:active {
        opacity: 0.7;
    }
}

.ideas-modal-header {
    background: var(--idea-gradient);
    color: var(--idea-white);
    padding: 30px 20px;
    text-align: center;
    border-radius: 15px 15px 0 0;
    position: sticky;
    top: 0;
    z-index: 1;
}

@media (min-width: 768px) {
    .ideas-modal-header {
        padding: 40px 30px;
    }
}

.ideas-modal-header h2 {
    font-size: 24px;
    margin: 0 0 10px;
}

@media (min-width: 768px) {
    .ideas-modal-header h2 {
        font-size: 32px;
    }
}

.ideas-modal-header p {
    font-size: 16px;
    margin: 0;
    opacity: 0.95;
}

.ideas-modal-content {
    background: var(--idea-white);
    max-width: 900px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    border-radius: 0 0 15px 15px;
    padding: 20px;
}

@media (min-width: 768px) {
    .ideas-modal-content {
        padding: 30px;
    }
}

.no-ideas {
    text-align: center;
    padding: 60px 20px;
    color: var(--idea-muted);
}

.no-ideas p {
    font-size: 18px;
    margin: 0;
}

/* Carte d'idée dans la modal */
.ideas-modal .idea-card {
    background: var(--idea-bg);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all var(--cal-transition-base);
}

.ideas-modal .idea-card:hover {
    transform: translateY(-2px) translate3d(0, 0, 0);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.ideas-modal .idea-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.ideas-modal .idea-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.ideas-modal .idea-user-info {
    flex: 1;
}

.ideas-modal .idea-user-name {
    font-weight: 600;
    color: var(--idea-text);
    margin: 0 0 4px;
}

.ideas-modal .idea-date {
    font-size: 13px;
    color: var(--idea-muted);
}

.ideas-modal .idea-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--idea-text);
    margin: 0 0 10px;
}

.ideas-modal .idea-card-description {
    font-size: 15px;
    color: var(--idea-muted);
    line-height: 1.6;
    margin: 0 0 15px;
}

.ideas-modal .idea-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: wrap;
}

.ideas-modal .idea-votes {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ideas-modal .vote-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--idea-white);
    border: 2px solid var(--idea-border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--cal-transition-base);
    min-height: 40px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.ideas-modal .vote-btn:hover {
    transform: scale(1.05) translate3d(0, 0, 0);
}

@media (hover: none) {
    .ideas-modal .vote-btn:active {
        opacity: 0.7;
    }
}

.ideas-modal .vote-btn.voted-up {
    background: var(--idea-gradient);
    border-color: var(--idea-primary);
    color: var(--idea-white);
}

.ideas-modal .vote-btn.voted-down {
    background: #e74c3c;
    border-color: #c0392b;
    color: var(--idea-white);
}

.ideas-modal .idea-score {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--idea-bg);
    border-radius: 8px;
    font-weight: 700;
}

.ideas-modal .idea-score.score-positive {
    background: #d4edda;
    color: #155724;
}

.ideas-modal .idea-score.score-negative {
    background: #f8d7da;
    color: #721c24;
}