:root {
    --primaire: #014CE0;
    --accent: #F04903;
    --second: #061BB0;
    --texte-sombre: #222222;
    --texte-clair: #ffffff;
    --details-sombre: #757575;
    --details-clair: rgba(255, 255, 255, 0.7);
    --font2: 'League Spartan', sans-serif;
    --cardBg: rgba(1, 76, 224, 0.03);
    --neutre: #ffffff;
    --bg-input: #f4f6fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font2);
}

main {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}
a{
    text-decoration: none;
}
.brand-logo{
    color: var(--texte-sombre);
    font-weight: 800;
    font-size: 1.8em;
}
.brand-logo span{
    color: var(--accent);
}

.auth-footer{
    font-weight: 400;
}
.auth-footer a{
    color: var(--accent);
    font-weight: 700;
}

.bg {
    background: url('../images/registerBg.png');
    background-position: center;
    background-size: cover;
    width: 100%;
    height: 100%;
}

.container {
    width: 100%;
    height: 100%;
    display: flex;
}

/* --- PARTIE GAUCHE (Sombre & Floutée) --- */
.part.left {
    flex: 1.2; /* Un peu plus large pour donner de l'espace au texte d'accueil */
    backdrop-filter: blur(15px);
    background: linear-gradient(135px, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.8));
    color: var(--texte-clair);
    padding: 60px 8%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
}

.part.left h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.part.left p {
    font-size: 1.15rem;
    color: var(--details-clair);
    line-height: 1.6;
    font-weight: 300;
}

/* --- PARTIE DROITE (Blanche & Épurée) --- */
.part.right {
    flex: 1;
    background: var(--neutre);
    color: var(--texte-sombre);
    padding: 60px 6%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15); /* Ombre douce pour marquer la séparation */
}

.form-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--texte-sombre);
    margin-bottom: -5px;
}

.form-subtitle {
    font-size: 1rem;
    color: var(--details-sombre);
    margin-bottom: 10px;
}

.part form {
    display: flex;
    flex-direction: column;
    gap: 25px;
    width: 100%;
}

/* --- FORMULAIRES & INPUTS --- */
.input_box {
    position: relative;
    width: 100%;
}

.input_box input {
    width: 100%; /* S'adapte dynamiquement au conteneur droit */
    height: 50px; /* Plus haut pour un look plus moderne et accessible */
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: var(--bg-input);
    color: var(--texte-sombre);
    outline: none;
    padding: 0 16px;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Effets Focus et Validité sur Fond Blanc */
.input_box input:focus, 
.input_box input:valid {
    border-color: var(--accent);
    background: var(--neutre);
    box-shadow: 0 0 0 4px rgba(240, 73, 3, 0.15);
}

.input_box label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.95rem;
    color: var(--details-sombre);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Animation du Label flottant */
.input_box input:focus ~ label,
.input_box input:valid ~ label {
    transform: translateY(-43px);
    left: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
}

/* --- BOUTON SUBMIT --- */
.submit_btn {
    background: var(--accent);
    color: var(--texte-clair);
    padding: 16px 35px;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(240, 73, 3, 0.3);
    transition: all 0.3s ease;
    margin-top: 10px;
}

.submit_btn:hover {
    background: var(--second);
    color: var(--texte-clair);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 27, 176, 0.4);
}

/* --- SECTION LOGO / UPLOAD IMAGE --- */
h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--texte-sombre);
    margin-bottom: -10px;
}

.photo_section {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--bg-input);
    padding: 25px;
    border-radius: 16px;
    border: 2px dashed #e2e8f0;
    transition: all 0.3s ease;
}

.photo_section:hover {
    border-color: var(--accent);
}

.avatar_preview {
    background: var(--neutre);
    border: 1px solid #e2e8f0;
    border-radius: 50%; /* Arrondi parfait style profil pour le logo */
    display: flex;
    justify-content: center;
    align-items: center;
    width: 130px;
    height: 130px;
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.avatar_preview:hover {
    transform: scale(1.05);
    border-color: var(--accent);
}

.avatar_placeholder svg {
    width: 40px;
    height: 40px;
    color: var(--details-sombre);
}

#photoInput {
    display: none;
}

.photo_section .details {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--details-sombre);
    font-weight: 500;
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 992px) {
    .container {
        flex-direction: column;
    }
    .part.left {
        flex: none;
        height: 35%;
        padding: 40px;
    }
    .part.left h1 {
        font-size: 2rem;
    }
    .part.left p {
        font-size: 0.95rem;
    }
    .part.right {
        flex: 1;
        padding: 40px;
        box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.15);
    }
}

/*scroll bar*/
/* Pour Chrome, Edge, Safari (WebKit) */
::-webkit-scrollbar {
    width: 2px;
    height: 1px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.086);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}