* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 600px;
    width: 100%;
}

.title {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
    animation: fadeInUp 1s ease-out;
    margin-bottom: 2rem;
}

.form-container {
    margin: 2rem 0;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.generator-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.form-group label {
    color: white;
    font-weight: bold;
    font-size: 1.1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    transition: all 0.3s ease;
    resize: vertical;
    min-height: 60px;
    font-family: inherit;
}

.form-group input,
.form-group select {
    cursor: pointer;
}

.form-group textarea {
    cursor: text;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

.generate-btn {
    padding: 15px 30px;
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
}

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

.preview-container {
    margin-top: 2rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.preview-container h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.live-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

#previewCanvas {
    border: 3px solid rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    max-width: 100%;
    height: auto;
}

.preview-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.preview-info span {
    color: white;
    font-size: 1rem;
    font-weight: bold;
}

#previewText {
    font-size: 1.1rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

#previewSize {
    font-size: 0.9rem;
    opacity: 0.8;
}

.nav-buttons {
    margin: 2rem 0;
    text-align: center;
}

.nav-btn {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.success-message {
    margin-top: 2rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.success-content {
    background: rgba(76, 175, 80, 0.9);
    border: 2px solid rgba(76, 175, 80, 0.8);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.3);
}

.success-content h3 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.success-content p {
    color: white;
    font-size: 1rem;
    margin: 0;
    opacity: 0.9;
}

.success-content code {
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1.5rem;
    }
    
    .title {
        font-size: 2.5rem;
    }
    
    .size-previews {
        gap: 1rem;
    }
}

/* Styles pour la checkbox personnalisée */
.checkbox-label {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.checkbox-label:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    border-color: #4CAF50;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.checkbox-label span:not(.checkbox-custom) {
    color: white;
    font-weight: bold;
    font-size: 1rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}