/* ========================================
   HEADER CLIENT
======================================== */

.header {
    background: var(--bg-dark);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding: 0 var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
    gap: var(--space-md);
    position: relative;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.logo-snack {
    background: var(--primary);
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 8px;
    border-radius: 4px;
    letter-spacing: 1px;
}

.logo-istanbul {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-light);
    letter-spacing: 2px;
}

.logo-mascot {
    font-size: 2rem;
    margin-left: var(--space-xs);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-light);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-shrink: 0;
}

/* Dropdown utilisateur */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 200px;
    background: var(--bg-dark);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    padding: var(--space-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background: rgba(255,255,255,0.1);
}

.dropdown-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: var(--space-sm) 0;
}

/* Menu toggle (mobile) */
.menu-toggle {
    display: none;
}

/* Responsive */
@media (max-width: 1024px) {
    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
        width: 44px;
        height: 44px;
        background: rgba(255,255,255,0.1);
        border: none;
        border-radius: var(--radius-md);
        color: var(--text-light);
        font-size: 1.5rem;
        cursor: pointer;
        transition: all var(--transition-fast);
        flex-shrink: 0;
        align-items: center;
        justify-content: center;
        order: -1;
    }

    .menu-toggle:hover {
        background: rgba(255,255,255,0.2);
    }
}

@media (max-width: 768px) {
    .header-content {
        height: 70px;
        padding: 0 var(--space-md);
    }

    .logo-istanbul {
        font-size: 1.25rem;
    }

    .logo-snack {
        font-size: 0.65rem;
        padding: 3px 6px;
    }

    .logo-mascot {
        display: none;
    }
}

@media (max-width: 480px) {
    .header-content {
        height: 60px;
        padding: 0 var(--space-sm);
    }

    .logo-istanbul {
        font-size: 1rem;
        letter-spacing: 1px;
    }

    .menu-toggle {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
}