.app-header {
    --primary: #3498db;
    --secondary: #9b59b6;
    --accent: #2ecc71;
    --light-bg: #f8f9fa;
    --card-bg: #ffffff;
    --border: #e0e0e0;
    --text: #2c3e50;
    --bg-color: #ffffff;
    --txt-color: #2c3e50;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    height: 70px;
    padding: 0 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.app-header * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Section gauche - Logo et menu */
.app-header .w-60 {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Bouton menu mobile */
.app-header .btn-icon.rounded-circle {
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 2px solid var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.app-header .btn-icon.rounded-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.2), transparent);
    transition: left 0.5s ease;
}

.app-header .btn-icon.rounded-circle:hover::before {
    left: 100%;
}

.app-header .btn-icon.rounded-circle:hover {
    background: var(--light-bg);
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.2);
    transform: scale(1.05);
}

.app-header .btn-icon.rounded-circle span {
    color: var(--primary);
    font-size: 10px;
    transition: transform 0.3s ease;
}

.app-header .btn-icon.rounded-circle:hover span {
    transform: scale(1.2);
}

/* Logo et nom de l'app */
.app-header .nav-app-name {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-header .nav-app-name a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 12px;
    background: var(--light-bg);
    border: 2px solid var(--border);
}

.app-header .nav-app-name a:hover {
    background: white;
    border-color: var(--primary);
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.1);
    transform: translateY(-2px);
}

.app-header .nav-app-name img {
    height: 35px;
    border: 2px solid var(--border);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.app-header .nav-app-name a:hover img {
    transform: scale(1.1) rotate(5deg);
}

.app-header .nav-app-name span {
    color: var(--primary);
    font-size: 20px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Section droite - Actions */
.app-header .w-40 {
    display: flex;
    align-items: center;
    gap: 15px;
    justify-content: flex-end;
}

/* Bouton Gains TRX */
.app-header #nav-refbtn2 {
    background: linear-gradient(135deg, var(--accent) 0%, #27ae60 100%);
    border: 2px solid var(--accent);
    border-radius: 25px;
    padding: 12px 20px;
    color: white;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.2);
}

.app-header #nav-refbtn2::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.app-header #nav-refbtn2:hover::before {
    left: 100%;
}

.app-header #nav-refbtn2:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 25px rgba(46, 204, 113, 0.3),
        0 0 30px rgba(46, 204, 113, 0.2);
}

/* Boutons d'action ronds */
.app-header .btn-outline-light {
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 2px solid var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.app-header .btn-outline-light::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.2), transparent);
    transition: left 0.5s ease;
}

.app-header .btn-outline-light:hover::before {
    left: 100%;
}

.app-header .btn-outline-light:hover {
    background: var(--light-bg);
    border-color: var(--secondary);
    box-shadow: 0 5px 20px rgba(52, 152, 219, 0.2);
    transform: translateY(-2px);
}

.app-header .btn-outline-light span,
.app-header .btn-outline-light i {
    color: var(--text);
    font-size: 16px;
    transition: all 0.3s ease;
}

.app-header .btn-outline-light:hover span,
.app-header .btn-outline-light:hover i {
    color: var(--primary);
    transform: scale(1.1);
}

/* Bouton de déconnexion spécial */
.app-header .btn-danger {
    width: 45px;
    height: 45px;
    background: rgba(231, 76, 60, 0.1);
    border: 2px solid #e74c3c;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.app-header .btn-danger::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(231, 76, 60, 0.2), transparent);
    transition: left 0.5s ease;
}

.app-header .btn-danger:hover::before {
    left: 100%;
}

.app-header .btn-danger:hover {
    background: rgba(231, 76, 60, 0.2);
    box-shadow: 0 5px 20px rgba(231, 76, 60, 0.3);
    transform: translateY(-2px);
}

.app-header .btn-danger span {
    color: #e74c3c;
    font-size: 16px;
    transition: all 0.3s ease;
}

.app-header .btn-danger:hover span {
    transform: scale(1.1);
}

/* Bouton d'installation Android spécial */
.app-header #installButton {
    border-color: var(--accent);
}

.app-header #installButton:hover {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(46, 204, 113, 0.3);
}

.app-header #installButton span {
    color: var(--accent);
}

.app-header #installButton:hover span {
    color: var(--primary);
    animation: bounce 0.6s ease;
}

@keyframes bounce {
    0%, 20%, 60%, 100% { transform: translateY(0); }
    40% { transform: translateY(-5px); }
    80% { transform: translateY(-2px); }
}

/* Effets de lueur au survol global */
.app-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--primary), 
        var(--secondary), 
        var(--primary), 
        transparent
    );
    animation: scanline 3s linear infinite;
}

@keyframes scanline {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-header {
        height: 60px;
        padding: 0 15px;
    }
    
    .app-header .btn-icon.rounded-circle,
    .app-header .btn-outline-light,
    .app-header .btn-danger {
        width: 40px;
        height: 40px;
    }
    
    .app-header .btn-icon.rounded-circle span,
    .app-header .btn-outline-light span,
    .app-header .btn-outline-light i,
    .app-header .btn-danger span {
        font-size: 10px;
    }
    
    .app-header .nav-app-name span {
        font-size: 16px;
        letter-spacing: 1px;
    }
    
    .app-header .nav-app-name img {
        height: 28px;
    }
    
    .app-header #nav-refbtn2 {
        padding: 10px 16px;
        font-size: 12px;
    }
    
    .app-header .w-40 {
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .app-header {
        height: 55px;
        padding: 0 10px;
    }
    
    .app-header .btn-icon.rounded-circle,
    .app-header .btn-outline-light,
    .app-header .btn-danger {
        width: 36px;
        height: 36px;
    }
    
    .app-header .nav-app-name span {
        font-size: 14px;
    }
    
    .app-header .nav-app-name img {
        height: 24px;
    }
    
    .app-header #nav-refbtn2 {
        padding: 8px 12px;
        font-size: 11px;
    }
    
    .app-header .w-40 {
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .app-header .nav-app-name {
        display: none;
    }
}

/* Animation d'entrée */
@keyframes headerSlideDown {
    from {
        opacity: 0;
        transform: translateY(-100%);
        filter: blur(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.app-header {
    animation: headerSlideDown 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Effet de particules subtil */
.app-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(1px 1px at 20% 50%, rgba(52, 152, 219, 0.1) 50%, transparent 100%),
        radial-gradient(1px 1px at 80% 30%, rgba(155, 89, 182, 0.1) 50%, transparent 100%);
    pointer-events: none;
    opacity: 0.3;
}

.app-header span {
    color: var(--text);
}