:root {
    --largeur-application: 1240px;
    --hauteur-entete-application: 72px;
    --couleur-bleu-fonce: #194EB6;
    --couleur-bleu-fonce-hover: #163F93;
    --couleur-bleu-clair: #6DB2F3;

    --couleur-fond: #F7FAFE;
    --couleur-surface: #FFFFFF;
    --couleur-bordure: #DBE7F4;
    --couleur-bordure-forte: #C9DBEF;

    --couleur-texte: #101010;
    --couleur-texte-secondaire: #4A5565;
    --couleur-texte-faible: #66758A;

    --ombre-legere: 0 10px 30px rgba(15, 45, 95, 0.06);
    --transition-standard: 180ms ease;
}

.entete-application {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--couleur-bordure);
    backdrop-filter: blur(10px);
}

body:has(.entete-application) {
    padding-top: var(--hauteur-entete-application);
}

.entete-application__conteneur {
    max-width: var(--largeur-application);
    margin: 0 auto;
    min-height: 72px;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 24px;
}

/* navigation */

.entete-application__navigation {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.entete-application__lien {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 8px 12px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--couleur-texte-secondaire);
    font-weight: 600;
    transition:
        background var(--transition-standard),
        color var(--transition-standard);
}

.entete-application__lien:hover {
    background: #f4f9ff;
    color: var(--couleur-bleu-fonce);
}

.entete-application__lien--actif {
    background: #edf4ff;
    color: var(--couleur-bleu-fonce);
}

/* actions */

.entete-application__actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.bouton-entete-icone {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    flex: 0 0 35px;
    border-radius: 50%;
    color: var(--couleur-bleu-fonce);
    text-decoration: none;
    transition:
        transform var(--transition-standard),
        background var(--transition-standard),
        border-color var(--transition-standard),
        box-shadow var(--transition-standard);
}

.bouton-entete-icone:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

.bouton-entete-icone--creation {
    overflow: hidden;
    color: #ffffff;
    background:
        radial-gradient(circle at center, #ffffff 0 50%, transparent 29%),
        conic-gradient(
            from 20deg,
            var(--couleur-bleu-fonce) 0deg 105deg,
            transparent 105deg 126deg,
            #2b71da 126deg 225deg,
            transparent 225deg 244deg,
            var(--couleur-bleu-clair) 244deg 338deg,
            transparent 338deg 360deg
        );

}

.bouton-entete-icone--creation span {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    color: var(--couleur-bleu-fonce);
    font-size: 1.35rem;
    line-height: 1;
    font-weight: 800;
}

.bouton-entete-icone--notifications {
    border: none;
    background: rgba(255, 255, 255, 0.92);
}



.picto-notifications {
    width: 32px;
    height: 32px;
    display: block;
    object-fit: contain;
}

.badge-notifications-entete {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 19px;
    height: 19px;
    padding: 0 5px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #D92D20;
    color: #ffffff;
    border: 2px solid #ffffff;
    font-size: 0.72rem;
    line-height: 1;
    font-weight: 800;
}

.bouton-entete {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 44px;
    padding: 10px 16px;
    border-radius: 14px;
    border: 1px solid var(--couleur-bordure-forte);
    background: rgba(255, 255, 255, 0.92);
    color: var(--couleur-bleu-fonce);
    text-decoration: none;
    font-weight: 700;
    transition:
        transform var(--transition-standard),
        background var(--transition-standard),
        border-color var(--transition-standard),
        box-shadow var(--transition-standard);
}

.bouton-entete:hover {
    transform: translateY(-1px);
    background: #f4f9ff;
    border-color: #b9cfe9;
	text-decoration: none;
}

.bouton-entete__avatar {
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-sizing: border-box;
    border: 1px solid var(--couleur-bordure-forte);
    border-radius: 50%;
    background: linear-gradient(145deg, #eef4ff, #dce9ff);
    color: var(--couleur-bleu-fonce);
    transition: border-color var(--transition-standard);
}

.bouton-entete:hover .bouton-entete__avatar {
    border-color: var(--couleur-bleu-fonce);
}

@media (min-width: 641px) {
    .bouton-entete__avatar {
        border: 0;
    }
}

.bouton-entete__avatar img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.bouton-entete__avatar-initiale {
    font-size: 0.95rem;
    line-height: 1;
    font-weight: 800;
}

.bouton-entete--principal {
    color: #ffffff;
    background: linear-gradient(135deg, #2462d4 0%, var(--couleur-bleu-fonce) 100%);
    border: 1px solid rgba(25, 78, 182, 0.92);
    box-shadow: 0 10px 22px rgba(25, 78, 182, 0.18);
}

.bouton-entete--principal:hover {
    background: linear-gradient(135deg, #1f57bc 0%, var(--couleur-bleu-fonce-hover) 100%);
    border-color: var(--couleur-bleu-fonce-hover);
}

.picto-compte {
    position: relative;
    width: 16px;
    height: 16px;
    display: inline-block;
    flex: 0 0 auto;
}

.picto-compte::before,
.picto-compte::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    box-sizing: border-box;
}

.picto-compte::before {
    top: 0;
    width: 7px;
    height: 7px;
    border: 2px solid currentColor;
    border-radius: 50%;
    background: transparent;
}

.picto-compte::after {
    bottom: 0;
    width: 12px;
    height: 7px;
    border: 2px solid currentColor;
    border-bottom: 0;
    border-radius: 8px 8px 0 0;
    background: transparent;
}

/* responsive */
@media (max-width: 1100px) {
    :root {
        --hauteur-entete-application: 64px;
    }

    .entete-application__conteneur {
        grid-template-columns: 1fr auto;
        padding: 10px 16px;
        gap: 12px;
        min-height: 64px;
    }

    .entete-application__actions {
        width: auto;
        justify-content: flex-end;
        flex-wrap: nowrap;
    }
}

@media (max-width: 640px) {
    :root {
        --hauteur-entete-application: 60px;
    }

    .entete-application__conteneur {
        grid-template-columns: 1fr auto;
        padding: 10px 14px;
        gap: 10px;
        min-height: 60px;
    }

    .bouton-entete {
        width: 42px;
        height: 42px;
        min-height: 42px;
        padding: 0;
        border: 0;
        background: transparent;
        box-shadow: none;
		border-radius: 50%;
    }

    .bouton-entete:hover {
        background: transparent;
        border-color: transparent;
        transform: none;
    }

    .bouton-entete__avatar {
        width: 42px;
        height: 42px;
        flex-basis: 42px;
    }

    .bouton-entete__texte {
        display: none;
    }
}