/* RESET ET BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #7209b7;
    --success-color: #4cc9f0;
    --text-color: #2b2d42;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--text-color);
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* FORMULAIRES INLINE */
.form-inline {
    display: inline-block;
}

/* HEADER */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 0.5rem;
}

/* MAIN CONTENT */
.main-content {
    flex: 1;
    margin-top: 80px;
    margin-bottom: 80px;
    padding: 2rem 1rem;
    overflow-y: auto;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

/* FOOTER */
.footer {
    background: var(--white);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem;
    backdrop-filter: blur(10px);
}

.footer-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 0.5rem;
}

/* WIDGETS ET FORMULAIRES */
.widget-form {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    border: 1px solid var(--medium-gray);
}

/* GROUPES D'INPUT */
.input-group {
    position: relative;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.input-field {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.input-icon {
    position: absolute;
    left: 1rem;
    z-index: 1;
    font-size: 1.1rem;
}

/* BOUTONS */
.btn-primary, .btn-secondary, .btn-outline {
    padding: 1rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 3rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    box-shadow: var(--shadow);
}

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

.btn-secondary {
    background: var(--accent-color);
    color: var(--white);
    box-shadow: var(--shadow);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-icon-text {
    background: transparent;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.btn-icon-text:hover {
    background: var(--medium-gray);
    transform: translateY(-1px);
}

.icon {
    font-size: 1.2rem;
}

.icon-img {
    width: 1.2rem;
    height: 1.2rem;
    object-fit: contain;
}

.full-width {
    width: 100%;
}

/* CHECKBOXES ET RADIOS */
.checkbox-group, .radio-group {
    margin: 1.5rem 0;
}

.checkbox-label, .radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.checkbox-label:hover, .radio-label:hover {
    background: var(--medium-gray);
}

.checkbox, .radio {
    display: none;
}

.checkmark, .radiomark {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--dark-gray);
    margin-right: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.checkmark {
    border-radius: 4px;
}

.radiomark {
    border-radius: 50%;
}

.checkbox:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox:checked + .checkmark::after {
    content: '✓';
    color: var(--white);
    font-size: 0.8rem;
    font-weight: bold;
}

.radio:checked + .radiomark {
    border-color: var(--primary-color);
}

.radio:checked + .radiomark::after {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    background: var(--primary-color);
    border-radius: 50%;
}

.radio-title {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* CONTENU TEXTE */
.text-content {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.text-content h2 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.text-content p {
    margin-bottom: 1rem;
}

/* IMAGE ET VIDEO */
.image-container, .video-container {
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.responsive-image {
    width: 100%;
    height: auto;
    display: block;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* Ratio 16:9 */
    height: 0;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
    .header-content, .footer-content {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .btn-icon-text {
        flex: 1;
        min-width: calc(50% - 0.5rem);
        justify-content: center;
        padding: 0.75rem 0.5rem;
    }
    
    .main-content {
        margin-top: 70px;
        margin-bottom: 70px;
        padding: 1rem 0.5rem;
    }
    
    .container {
        width: 100%;
        padding: 0 0.5rem;
    }
    
    .widget-form, .text-content, .image-container, .video-container {
        margin-left: 0.25rem;
        margin-right: 0.25rem;
        margin-bottom: 1rem;
    }
    
    .input-field {
        padding: 0.875rem 0.875rem 0.875rem 2.5rem;
    }
    
    .input-icon {
        left: 0.875rem;
    }
    
    .btn-primary, .btn-secondary, .btn-outline {
        padding: 0.875rem 1rem;
    }
}

@media (max-width: 480px) {
    .btn-icon-text {
        min-width: 100%;
        margin-bottom: 0.25rem;
    }
    
    .header, .footer {
        padding: 0.5rem;
    }
    
    .text-content {
        padding: 1rem;
    }
    
    .icon {
        font-size: 1.1rem;
    }
    
    .icon-img {
        width: 1.1rem;
        height: 1.1rem;
    }
}

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

.widget-form, .text-content, .image-container, .video-container {
    animation: fadeIn 0.6s ease-out;
}

/* SCROLLBAR PERSONNALISÉE */
.main-content::-webkit-scrollbar {
    width: 8px;
}

.main-content::-webkit-scrollbar-track {
    background: var(--medium-gray);
}

.main-content::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

.main-content::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* Ratio 16:9 */
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}