/* ============================================
   Badge Generator - UP Le Renouveau
   Mobile-First Responsive Design
   ============================================ */

/* CSS Variables - Party Colors */
:root {
    --vert-up: #1E7F43;
    --jaune-up: #F4C430;
    --rouge-accent: #D62828;
    --blanc: #FFFFFF;
    --noir-doux: #1C1C1C;
    
    --primary-color: #1E7F43;      /* Vert UP */
    --primary-dark: #166835;
    --primary-light: #2d9a52;
    --secondary-color: #F4C430;    /* Jaune UP */
    --secondary-dark: #d4a82a;
    --accent-color: #D62828;       /* Rouge accent */
    --text-dark: #1C1C1C;
    --text-light: #ffffff;
    --text-muted: #6c757d;
    --background: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #dee2e6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--jaune-up) 0%, #e8b52a 100%);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 1rem;
    min-height: 100vh;
}

/* Header */
.header {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--primary-dark);
}

.logo-container {
    margin-bottom: 1rem;
}

.logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: 50%;
    background: var(--text-light);
    padding: 0.5rem;
    box-shadow: var(--shadow-lg);
}

.header h1 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.subtitle {
    font-size: 1rem;
    opacity: 0.85;
    font-weight: 500;
    color: var(--primary-dark);
}

/* Form Section */
.form-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-group input[type="text"] {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 95, 42, 0.15);
}

/* Photo Upload */
.photo-upload {
    position: relative;
    width: 100%;
    height: 200px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    overflow: hidden;
    transition: var(--transition);
    background: var(--background);
}

.photo-upload:hover {
    border-color: var(--primary-color);
    background: rgba(26, 95, 42, 0.05);
}

.upload-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--text-muted);
}

.upload-placeholder svg {
    margin-bottom: 0.5rem;
}

.upload-placeholder span {
    display: block;
    font-size: 0.875rem;
}

.photo-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.photo-preview.active {
    display: block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--background);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    margin-top: 1rem;
}

.btn-secondary:hover {
    background: var(--border-color);
}

/* Badge Section */
.badge-section {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 1.5rem;
    text-align: center;
}

.badge-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

/* =====================
   BADGE DESIGN - Charte UP Le Renouveau
   Format: 1080x1080px (1:1)
   ===================== */

.badge-container {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
    width: 100%;
}

/* Badge principal - Format carré */
.badge {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 1 / 1;
    position: relative;
    overflow: hidden;
    background: var(--blanc);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    touch-action: none; /* Prevent browser handling of gestures */
}

/* ZONE 1 : Photo utilisateur (Arrière-plan) */
.badge-photo-zone {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%; /* Prend tout l'espace du badge */
    z-index: 1;
    background-color: var(--blanc);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.badge-photo {
    /* object-fit removed to allow manual positioning via transform */
    max-width: none;
    max-height: none;
    will-change: transform;
}

/* ZONE 2 : Cadre du badge (Image fournie) */
.badge-frame {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    object-fit: contain;
}

/* ZONE 3 : Texte dynamique (Nom) */
.badge-text-overlay {
    position: absolute;
    bottom: 24%; /* Position équilibrée entre logo et slogan */
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 3;
    padding: 0 20px;
    pointer-events: none;
}

.badge-dynamic-text {
    font-family: 'Playfair Display', serif;
    font-size: 0.8rem;
    font-weight: 700;
    font-style: italic;
    color: #000000; /* Noir pour être lisible sur le fond jaune */
    margin: 0;
    text-shadow: none;
    line-height: 1.2;
}

.badge-dynamic-text span {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-style: italic;
    text-transform: none;
    color: #000000;
    font-size: 1em;
}

/* Adjustment Controls */
.adjustment-controls {
    margin: 1rem 0;
    text-align: center;
}

.adjustment-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.zoom-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn-zoom {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background: white;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

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

.badge-photo-zone {
    cursor: move; /* Indicate that the photo can be moved */
    touch-action: none; /* Prevent scrolling while dragging on mobile */
}

/* =====================
   ACTION BUTTONS
   ===================== */

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 1rem;
    width: 100%;
    max-width: 100%;
}

.action-buttons .btn {
    width: 100%;
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    box-sizing: border-box;
}

.btn-download {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--text-light);
}

.btn-whatsapp {
    background: #25D366;
    color: var(--text-light);
}

.btn-whatsapp:hover {
    background: #1da851;
}

.btn-facebook {
    background: #1877F2;
    color: var(--text-light);
}

.btn-facebook:hover {
    background: #0d65d9;
}

.btn-gallery {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: var(--text-dark);
}

.btn-gallery:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-gallery:disabled {
    opacity: 0.8;
    cursor: not-allowed;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--primary-dark);
    font-size: 0.75rem;
    opacity: 0.8;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 1000;
    color: var(--text-light);
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

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

.badge-section {
    animation: fadeIn 0.5s ease;
}

/* Tablet & Desktop */
@media (min-width: 600px) {
    .container {
        padding: 2rem;
    }

    .header h1 {
        font-size: 2.25rem;
    }

    .subtitle {
        font-size: 1.125rem;
    }

    .form-section,
    .badge-section {
        padding: 2rem;
    }

    .action-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
    }

    .action-buttons .btn {
        width: auto;
        flex: 1;
        min-width: 140px;
        max-width: 180px;
    }

    .btn-secondary {
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 600px;
    }

    .logo {
        width: 120px;
        height: 120px;
    }

    /* Badge responsive */
    .badge {
        max-width: 450px;
    }

    .badge-text-overlay {
        bottom: 24%;
        padding: 0 30px;
    }

    .badge-dynamic-text {
        font-size: 1rem;
    }

    .badge-dynamic-text span {
        font-size: 1em;
    }
}

/* =====================
   GALLERY PREVIEW (Home Page)
   ===================== */
.gallery-preview {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 1.5rem;
}

.gallery-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.gallery-preview-header h2 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin: 0;
}

.badge-counter {
    background: var(--primary-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 50px;
}

.gallery-preview-scroll {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding: 0.5rem 0;
    margin-bottom: 1rem;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.gallery-preview-scroll::-webkit-scrollbar {
    height: 6px;
}

.gallery-preview-scroll::-webkit-scrollbar-track {
    background: var(--background);
    border-radius: 10px;
}

.gallery-preview-scroll::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.gallery-preview-item {
    flex: 0 0 100px;
    height: 100px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    scroll-snap-align: start;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    box-shadow: var(--shadow);
}

.gallery-preview-item:hover {
    transform: scale(1.05);
}

.gallery-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-preview-item .preview-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    font-size: 0.6rem;
    padding: 1rem 0.3rem 0.3rem;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-preview-empty {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    background: var(--background);
    border-radius: var(--radius-sm);
    width: 100%;
}

.gallery-preview-empty.hidden {
    display: none;
}

.gallery-preview-empty p {
    margin: 0;
    font-size: 0.9rem;
}

.btn-see-all {
    width: 100%;
    padding: 0.75rem;
    background: transparent;
    border: 2px dashed var(--primary-color);
    color: var(--primary-color);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-see-all:hover {
    background: var(--primary-color);
    color: white;
    border-style: solid;
}

/* =====================
   FULL GALLERY (Modal-like)
   ===================== */
.gallery-full {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--background);
    z-index: 1000;
    display: none;
    flex-direction: column;
    overflow-y: auto;
}

.gallery-full.active {
    display: flex;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.gallery-full-header {
    position: sticky;
    top: 0;
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10;
    box-shadow: var(--shadow);
}

.btn-close-gallery {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-close-gallery:hover {
    background: rgba(255,255,255,0.3);
}

.gallery-full-title {
    flex: 1;
}

.gallery-full-title h2 {
    margin: 0;
    font-size: 1.1rem;
}

.gallery-badge-count {
    font-size: 0.8rem;
    opacity: 0.9;
}

.gallery-full-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 1rem;
    margin: 0;
}

.gallery-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
    gap: 0.75rem;
}

.gallery-loading.hidden {
    display: none;
}

.spinner-small {
    width: 30px;
    height: 30px;
    border: 3px solid rgba(30, 127, 67, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 0 1rem 2rem;
}

.gallery-item {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    background: white;
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 2rem 0.5rem 0.5rem;
    opacity: 1;
}

.gallery-item-name {
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-item-date {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.6rem;
    text-align: center;
    margin-top: 0.2rem;
}

.gallery-item-actions {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.3rem;
}

.gallery-item-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    background: var(--primary-color);
    color: white;
}

.gallery-item-btn:hover {
    transform: scale(1.1);
}

.gallery-empty {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding: 3rem 1rem;
    display: none;
}

.gallery-empty.visible {
    display: block;
}

/* Gallery Modal */
.gallery-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1002;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

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

.gallery-modal-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.gallery-modal-content img {
    max-width: 100%;
    max-height: 75vh;
    border-radius: var(--radius);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
}

.gallery-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: white;
    border: none;
    color: var(--text-dark);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-modal-info {
    text-align: center;
    color: white;
    margin-top: 1rem;
}

.gallery-modal-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.gallery-modal-info p {
    font-size: 0.9rem;
    opacity: 0.7;
}

@media (min-width: 480px) {
    .gallery-preview-item {
        flex: 0 0 120px;
        height: 120px;
    }
}

@media (min-width: 600px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .gallery-preview-item {
        flex: 0 0 140px;
        height: 140px;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }

    .form-section,
    .action-buttons,
    .btn-secondary,
    .header,
    .footer,
    .gallery-preview,
    .gallery-full {
        display: none;
    }

    .badge-section {
        box-shadow: none;
    }
}