/* Electronic invoicing portal — design tokens and layout styles */
:root {
    --primary-color: #023CD1;
    --secondary-color: #94AFF2;
    --bg-color: #D8ECF2;
    --bg-color-secondary: #ebebeb;
    --bg-color-white: #ffffff;
    --btn-color: #28282D;
    --text-color: #28282D;
    --text-color-disabled: #666666;
    --text-color-secondary: #ffffff;
}
* {
    box-sizing: border-box;
}
body {
    background-color: var(--bg-color-secondary);
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
}

header {
    background-color: var(--primary-color);
    color: var(--text-color-secondary);
    text-align: center;
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

header h1 {
    font-size: 1.25rem;
    margin: 0;
    font-weight: 600;
    letter-spacing: 0.3px;
}

main {
    background: var(--bg-color-white);
    max-width: 720px;
    margin: 2rem auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    padding: 2rem;
}

.row>* {
    margin-top: 0rem!important;
}

.form-label {
    font-weight: 600;
}

input.disabled {
    background-color: #e9ecef!important;
    opacity: 1!important;
    color: var(--text-color-disabled)!important;
    cursor: not-allowed!important;
}

.btn-primary {
    background-color: var(--btn-color);
    border: none;
    padding: 0.5rem 3rem;
}

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

.btn-secondary {
    background-color: transparent!important;
    border: none!important;
    color: var(--text-color)!important;
    text-decoration: underline!important;
}

footer {
    text-align: center;
    color: var(--text-color);
    font-size: 0.9rem;
    padding: 2rem 0;
}

/* Erreurs de formulaire - Bootstrap 5 invalid-feedback peut être masqué par défaut */
.invalid-feedback.d-block {
    display: block !important;
}

.form-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 0.2rem;
}

@media (max-width: 576px) {
    header h1 {
        font-size: 1.15rem;
    }

    main {
        padding: 1.5rem;
    }
}